M-B Fault Error Codes/Diagnostic Trouble Codes (DTC): Difference between revisions
Jump to navigation
Jump to search
Ricebubbles (talk | contribs) (Created new section M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)) |
Ricebubbles (talk | contribs) (Moved Structure and Example of Error Codes from WIS 54.21 Control Units/Modules) |
||
| Line 5: | Line 5: | ||
Every effort has been made to ensure the listed codes and legends are correct, but be aware that mistakes do happen, so use at your own discretion. | Every effort has been made to ensure the listed codes and legends are correct, but be aware that mistakes do happen, so use at your own discretion. | ||
== Powertrain (P Codes) - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)== | |||
==Structure - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)== | |||
[[File:Fault_Error_Codes_or_Diagnostic_Trouble_Codes_Structure.JPG|500px|center]] | |||
==Example - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)== | |||
'''P0420 Catalyst System Efficiency Below Threshold (Bank 1)''' | |||
* 1st digit: (P) Indicates which system reported the fault. | |||
** B = Body, | |||
** C = Chassis, | |||
** P = Powertrain, | |||
** U = Network eg CAN | |||
* 2nd digit (0) Indicated type of fault code. | |||
** 0 = Standardized eg OBD Code | |||
** 1 = Manufacturer Code | |||
* 3rd digit (4) Indicated the assembly where the fault occurred. | |||
** 1 = Fuel and airflow monitoring | |||
** 2 = Injection nozzles | |||
** 3 = Ignition system and combustion misfiring | |||
** 4 = Additional systems for emissions reduction | |||
** 5 = Idle and vehicle speed | |||
** 6 = Onboard computer and other outputs | |||
** 7 = Transmission | |||
** 8 = Transmission | |||
* 4th digit (20) Indicated faulty component and type of fault. | |||
==Powertrain (P Codes) - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)== | |||
{| class="wikitable" style="margin: auto;" | {| class="wikitable" style="margin: auto;" | ||
|+ Powertrain Coded Pxxxx | |+ Powertrain Coded Pxxxx | ||
Revision as of 05:52, 28 March 2016
Back to Index
Introduction - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)
This list contains Mercedes-Benz Fault Error Codes/Diagnostic Trouble Codes (DTC) for 1996+ models as found on the Internet with some additions from M-B’s STAR Xentry, DAS and WIS.
Every effort has been made to ensure the listed codes and legends are correct, but be aware that mistakes do happen, so use at your own discretion.
Structure - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)
Example - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
- 1st digit: (P) Indicates which system reported the fault.
- B = Body,
- C = Chassis,
- P = Powertrain,
- U = Network eg CAN
- 2nd digit (0) Indicated type of fault code.
- 0 = Standardized eg OBD Code
- 1 = Manufacturer Code
- 3rd digit (4) Indicated the assembly where the fault occurred.
- 1 = Fuel and airflow monitoring
- 2 = Injection nozzles
- 3 = Ignition system and combustion misfiring
- 4 = Additional systems for emissions reduction
- 5 = Idle and vehicle speed
- 6 = Onboard computer and other outputs
- 7 = Transmission
- 8 = Transmission
- 4th digit (20) Indicated faulty component and type of fault.
Powertrain (P Codes) - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)
| Code | Legend |
|---|---|
| P0100 | Mass or Volume Air Flow Circuit Malfunction |
| P0101 | Mass or Volume Air Flow Circuit Range/Performance Problem |
| P0102 | Mass or Volume Air Flow Circuit Low Input |
| P0103 | Mass or Volume Air Flow Circuit High Input |
| P0104 | Mass or Volume Air Flow Circuit Intermittent |
| P0105 | Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction |
| P0106 | Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem |
| P0107 | Manifold Absolute Pressure/Barometric Pressure Circuit Low Input |
| P0108 | Manifold Absolute Pressure/Barometric Pressure Circuit High Input |
| P0109 | Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent |
| P0110 | Intake Air Temperature Circuit Malfunction |
| P0111 | Intake Air Temperature Circuit Range/Performance Problem |
| P0112 | Intake Air Temperature Circuit Low Input |
| P0113 | Intake Air Temperature Circuit High Input |
| P0114 | Intake Air Temperature Circuit Intermittent |
| P0115 | Engine Coolant Temperature Circuit Malfunction |
| P0116 | Engine Coolant Temperature Circuit Range/Performance Problem |
| P0117 | Engine Coolant Temperature Circuit Low Input |
| P0118 | Engine Coolant Temperature Circuit High Input |
| P0119 | Engine Coolant Temperature Circuit Intermittent |
| P0120 | Throttle/Petal Position Sensor/Switch A Circuit Malfunction |
| P0121 | Throttle/Petal Position Sensor/Switch A Circuit Range/Performance Problem |
| P0122 | Throttle/Petal Position Sensor/Switch A Circuit Low Input |
| P0123 | Throttle/Petal Position Sensor/Switch A Circuit High Input |
| P0124 | Throttle/Petal Position Sensor/Switch A Circuit Intermittent |
| P0125 | Insufficient Coolant Temperature for Closed Loop Fuel Control |
| P0126 | Insufficient Coolant Temperature for Stable Operation |
| P0130 | O2 Sensor Circuit Malfunction (Bank 1 Sensor 1) |
| P0131 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) |
| P0132 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) |
| P0133 | O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) |
| P0134 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) Right |
| P0135 | O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) |
| P0136 | O2 Sensor Circuit Malfunction (Bank 1 Sensor 2) |
| P0137 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) |
| P0138 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) |
| P0139 | O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) |
| P0140 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) |
| P0141 | O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) |
| P0142 | O2 Sensor Circuit Malfunction (Bank 1 Sensor 3) |
| P0143 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3) |
| P0144 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 3) |
| P0145 | O2 Sensor Circuit Slow Response (Bank 1 Sensor 3) |
| P0146 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3) |
| P0147 | O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 3) |
| P0150 | O2 Sensor Circuit Malfunction (Bank 2 Sensor 1) |
| P0151 | O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) |
| P0152 | O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) |
| P0153 | O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) |
| P0154 | O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Left |
| P0155 | O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) |
| P0156 | O2 Sensor Circuit Malfunction (Bank 2 Sensor 2) |
| P0157 | O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) |
| P0158 | O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) |
| P0159 | O2 Sensor Circuit Slow Response (Bank 2 Sensor 2) |
| P0160 | O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) |
| P0161 | O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2) |
| P0162 | O2 Sensor Circuit Malfunction (Bank 2 Sensor 3) |
| P0163 | O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3) |
| P0164 | O2 Sensor Circuit High Voltage (Bank 2 Sensor 3) |
| P0165 | O2 Sensor Circuit Slow Response (Bank 2 Sensor 3) |
| P0166 | O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3) |
| P0167 | O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3) |
| P0170 | Fuel Trim Malfunction (Bank 1) |
| P0171 | System too Lean (Bank 1) |
| P0172 | System too Rich (Bank 1) |
| P0173 | Fuel Trim Malfunction (Bank 2) |
| P0174 | System too Lean (Bank 2) |
| P0175 | System too Rich (Bank 2) |
| P0176 | Fuel Composition Sensor Circuit Malfunction |
| P0177 | Fuel Composition Sensor Circuit Range/Performance |
| P0178 | Fuel Composition Sensor Circuit Low Input |
| P0179 | Fuel Composition Sensor Circuit High Input |
| P0180 | Fuel Temperature Sensor A Circuit Malfunction |
| P0181 | Fuel Temperature Sensor A Circuit Range/Performance |
| P0182 | Fuel Temperature Sensor A Circuit Low Input |
| P0183 | Fuel Temperature Sensor A Circuit High Input |
| P0184 | Fuel Temperature Sensor A Circuit Intermittent |
| P0185 | Fuel Temperature Sensor B Circuit Malfunction |
| P0186 | Fuel Temperature Sensor B Circuit Range/Performance |
| P0187 | Fuel Temperature Sensor B Circuit Low Input |
| P0188 | Fuel Temperature Sensor B Circuit High Input |
| P0189 | Fuel Temperature Sensor B Circuit Intermittent |
| P0190 | Fuel Rail Pressure Sensor Circuit Malfunction |
| P0191 | Fuel Rail Pressure Sensor Circuit Range/Performance |
| P0192 | Fuel Rail Pressure Sensor Circuit Low Input |
| P0193 | Fuel Rail Pressure Sensor Circuit High Input |
| P0194 | Fuel Rail Pressure Sensor Circuit Intermittent |
| P0195 | Engine Oil Temperature Sensor Malfunction |
| P0196 | Engine Oil Temperature Sensor Range/Performance |
| P0197 | Engine Oil Temperature Sensor Low |
| P0198 | Engine Oil Temperature Sensor High |
| P0199 | Engine Oil Temperature Sensor Intermittent |
| P0200 | Injector Circuit Malfunction |
| P0201 | Injector Circuit Malfunction - Cylinder 1 |
| P0202 | Injector Circuit Malfunction - Cylinder 2 |
| P0203 | Injector Circuit Malfunction - Cylinder 3 |
| P0204 | Injector Circuit Malfunction - Cylinder 4 |
| P0205 | Injector Circuit Malfunction - Cylinder 5 |
| P0206 | Injector Circuit Malfunction - Cylinder 6 |
| P0207 | Injector Circuit Malfunction - Cylinder 7 |
| P0208 | Injector Circuit Malfunction - Cylinder 8 |
| P0209 | Injector Circuit Malfunction - Cylinder 9 |
| P0210 | Injector Circuit Malfunction - Cylinder 10 |
| P0211 | Injector Circuit Malfunction - Cylinder 11 |
| P0212 | Injector Circuit Malfunction - Cylinder 12 |
| P0213 | Cold Start Injector 1 Malfunction |
| P0214 | Cold Start Injector 2 Malfunction |
| P0215 | Engine Shutoff Solenoid Malfunction |
| P0216 | Injection Timing Control Circuit Malfunction |
| P0217 | Engine Overtemp Condition |
| P0218 | Transmission Over Temperature Condition |
| P0219 | Engine Overspeed Condition |
| P0220 | Throttle/Petal Position Sensor/Switch B Circuit Malfunction |
| P0221 | Throttle/Petal Position Sensor/Switch B Circuit Range/Performance Problem |
| P0222 | Throttle/Petal Position Sensor/Switch B Circuit Low Input |
| P0223 | Throttle/Petal Position Sensor/Switch B Circuit High Input |
| P0224 | Throttle/Petal Position Sensor/Switch B Circuit Intermittent |
| P0225 | Throttle/Petal Position Sensor/Switch C Circuit Malfunction |
| P0226 | Throttle/Petal Position Sensor/Switch C Circuit Range/Performance Problem |
| P0227 | Throttle/Petal Position Sensor/Switch C Circuit Low Input |
| P0228 | Throttle/Petal Position Sensor/Switch C Circuit High Input |
| P0229 | Throttle/Petal Position Sensor/Switch C Circuit Intermittent |
| P0230 | Fuel Pump Primary Circuit Malfunction |
| P0231 | Fuel Pump Secondary Circuit Low |
| P0232 | Fuel Pump Secondary Circuit High |
| P0233 | Fuel Pump Secondary Circuit Intermittent |
| P0234 | Engine Overboost Condition |
| P0235 | Turbocharger Boost Sensor A Circuit Malfunction |
| P0236 | Turbocharger Boost Sensor A Circuit Range/Performance |
| P0237 | Turbocharger Boost Sensor A Circuit Low |
| P0238 | Turbocharger Boost Sensor A Circuit High |
| P0239 | Turbocharger Boost Sensor B Malfunction |
| P0240 | Turbocharger Boost Sensor B Circuit Range/Performance |
| P0241 | Turbocharger Boost Sensor B Circuit Low |
| P0242 | Turbocharger Boost Sensor B Circuit High |
| P0243 | Turbocharger Wastegate Solenoid A Malfunction |
| P0244 | Turbocharger Wastegate Solenoid A Range/Performance |
| P0245 | Turbocharger Wastegate Solenoid A Low |
| P0246 | Turbocharger Wastegate Solenoid A High |
| P0247 | Turbocharger Wastegate Solenoid B Malfunction |
| P0248 | Turbocharger Wastegate Solenoid B Range/Performance |
| P0249 | Turbocharger Wastegate Solenoid B Low |
| P0250 | Turbocharger Wastegate Solenoid B High |
| P0251 | Injection Pump Fuel Metering Control "A" Malfunction (Cam/Rotor/Injector) |
| P0252 | Injection Pump Fuel Metering Control "A" Range/Performance (Cam/Rotor/Injector) |
| P0253 | Injection Pump Fuel Metering Control "A" Low (Cam/Rotor/Injector) |
| P0254 | Injection Pump Fuel Metering Control "A" High (Cam/Rotor/Injector) |
| P0255 | Injection Pump Fuel Metering Control "A" Intermittent (Cam/Rotor/Injector) |
| P0256 | Injection Pump Fuel Metering Control "B" Malfunction (Cam/Rotor/Injector) |
| P0257 | Injection Pump Fuel Metering Control "B" Range/Performance (Cam/Rotor/Injector) |
| P0258 | Injection Pump Fuel Metering Control "B" Low (Cam/Rotor/Injector) |
| P0259 | Injection Pump Fuel Metering Control "B" High (Cam/Rotor/Injector) |
| P0260 | Injection Pump Fuel Metering Control "B" Intermittent (Cam/Rotor/Injector) |
| P0261 | Cylinder 1 Injector Circuit Low |
| P0262 | Cylinder 1 Injector Circuit High |
| P0263 | Cylinder 1 Contribution/Balance Fault |
| P0264 | Cylinder 2 Injector Circuit Low |
| P0265 | Cylinder 2 Injector Circuit High |
| P0266 | Cylinder 2 Contribution/Balance Fault |
| P0267 | Cylinder 3 Injector Circuit Low |
| P0268 | Cylinder 3 Injector Circuit High |
| P0269 | Cylinder 3 Contribution/Balance Fault |
| P0270 | Cylinder 4 Injector Circuit Low |
| P0271 | Cylinder 4 Injector Circuit High |
| P0272 | Cylinder 4 Contribution/Balance Fault |
| P0273 | Cylinder 5 Injector Circuit Low |
| P0274 | Cylinder 5 Injector Circuit High |
| P0275 | Cylinder 5 Contribution/Balance Fault |
| P0276 | Cylinder 6 Injector Circuit Low |
| P0277 | Cylinder 6 Injector Circuit High |
| P0278 | Cylinder 6 Contribution/Balance Fault |
| P0279 | Cylinder 7 Injector Circuit Low |
| P0280 | Cylinder 7 Injector Circuit High |
| P0281 | Cylinder 7 Contribution/Balance Fault |
| P0282 | Cylinder 8 Injector Circuit Low |
| P0283 | Cylinder 8 Injector Circuit High |
| P0284 | Cylinder 8 Contribution/Balance Fault |
| P0285 | Cylinder 9 Injector Circuit Low |
| P0286 | Cylinder 9 Injector Circuit High |
| P0287 | Cylinder 9 Contribution/Balance Fault |
| P0288 | Cylinder 10 Injector Circuit Low |
| P0289 | Cylinder 10 Injector Circuit High |
| P0290 | Cylinder 10 Contribution/Balance Fault |
| P0291 | Cylinder 11 Injector Circuit Low |
| P0292 | Cylinder 11 Injector Circuit High |
| P0293 | Cylinder 11 Contribution/Balance Fault |
| P0294 | Cylinder 12 Injector Circuit Low |
| P0295 | Cylinder 12 Injector Circuit High |
| P0296 | Cylinder 12 Contribution/Range Fault |
| P0300 | Random/Multiple Cylinder Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
| P0306 | Cylinder 6 Misfire Detected |
| P0307 | Cylinder 7 Misfire Detected |
| P0308 | Cylinder 8 Misfire Detected |
| P0309 | Cylinder 9 Misfire Detected |
| P0310 | Cylinder 10 Misfire Detected |
| P0311 | Cylinder 11 Misfire Detected |
| P0312 | Cylinder 12 Misfire Detected |
| P0320 | Ignition/Distributor Engine Speed Input Circuit Malfunction |
| P0321 | Ignition/Distributor Engine Speed Input Circuit Range/Performance |
| P0322 | Ignition/Distributor Engine Speed Input Circuit No Signal |
| P0323 | Ignition/Distributor Engine Speed Input Circuit Intermittent |
| P0325 | Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor) |
| P0326 | Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor) |
| P0327 | Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) |
| P0328 | Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) |
| P0329 | Knock Sensor 1 Circuit Intermittent (Bank 1 or Single Sensor) |
| P0330 | Knock Sensor 2 Circuit Malfunction (Bank 2) |
| P0331 | Knock Sensor 2 Circuit Range/Performance (Bank 2) |
| P0332 | Knock Sensor 2 Circuit Low Input (Bank 2) |
| P0333 | Knock Sensor 2 Circuit High Input (Bank 2) |
| P0334 | Knock Sensor 2 Circuit Intermittent (Bank 2) |
| P0335 | Crankshaft Position Sensor A Circuit Malfunction (L5) |
| P0336 | Crankshaft Position Sensor A Circuit Range/Performance |
| P0337 | Crankshaft Position Sensor A Circuit Low Input |
| P0338 | Crankshaft Position Sensor A Circuit High Input |
| P0339 | Crankshaft Position Sensor A Circuit Intermittent |
| P0340 | Camshaft Position Sensor Circuit Malfunction |
| P0341 | Camshaft Position Sensor Circuit Range/Performance |
| P0342 | Camshaft Position Sensor Circuit Low Input |
| P0343 | Camshaft Position Sensor Circuit High Input |
| P0344 | Camshaft Position Sensor Circuit Intermittent |
| P0350 | Ignition Coil Primary/Secondary Circuit Malfunction |
| P0351 | Ignition Coil A Primary/Secondary Circuit Malfunction |
| P0352 | Ignition Coil B Primary/Secondary Circuit Malfunction |
| P0353 | Ignition Coil C Primary/Secondary Circuit Malfunction |
| P0354 | Ignition Coil D Primary/Secondary Circuit Malfunction |
| P0355 | Ignition Coil E Primary/Secondary Circuit Malfunction |
| P0356 | Ignition Coil F Primary/Secondary Circuit Malfunction |
| P0357 | Ignition Coil G Primary/Secondary Circuit Malfunction |
| P0358 | Ignition Coil H Primary/Secondary Circuit Malfunction |
| P0359 | Ignition Coil I Primary/Secondary Circuit Malfunction |
| P0360 | Ignition Coil J Primary/Secondary Circuit Malfunction |
| P0361 | Ignition Coil K Primary/Secondary Circuit Malfunction |
| P0362 | Ignition Coil L Primary/Secondary Circuit Malfunction |
| P0370 | Timing Reference High Resolution Signal A Malfunction |
| P0371 | Timing Reference High Resolution Signal A Too Many Pulses |
| P0372 | Timing Reference High Resolution Signal A Too Few Pulses |
| P0373 | Timing Reference High Resolution Signal A Intermittent/Erratic Pulses |
| P0374 | Timing Reference High Resolution Signal A No Pulses |
| P0375 | Timing Reference High Resolution Signal B Malfunction |
| P0376 | Timing Reference High Resolution Signal B Too Many Pulses |
| P0377 | Timing Reference High Resolution Signal B Too Few Pulses |
| P0378 | Timing Reference High Resolution Signal B Intermittent/Erratic Pulses |
| P0379 | Timing Reference High Resolution Signal B No Pulses |
| P0380 | Glow Plug/Heater Circuit "A" Malfunction |
| P0381 | Glow Plug/Heater Indicator Circuit Malfunction |
| P0382 | Exhaust Gas Recirculation Flow Malfunction |
| P0385 | Crankshaft Position Sensor B Circuit Malfunction |
| P0386 | Crankshaft Position Sensor B Circuit Range/Performance |
| P0387 | Crankshaft Position Sensor B Circuit Low Input |
| P0388 | Crankshaft Position Sensor B Circuit High Input |
| P0389 | Crankshaft Position Sensor B Circuit Intermittent |
| P0400 | Exhaust Gas Recirculation Flow Malfunction |
| P0401 | Exhaust Gas Recirculation Flow Insufficient Detected |
| P0402 | Exhaust Gas Recirculation Flow Excessive Detected |
| P0403 | Exhaust Gas Recirculation Circuit Malfunction |
| P0404 | Exhaust Gas Recirculation Circuit Range/Performance |
| P0405 | Exhaust Gas Recirculation Sensor A Circuit Low |
| P0406 | Exhaust Gas Recirculation Sensor A Circuit High |
| P0407 | Exhaust Gas Recirculation Sensor B Circuit Low |
| P0408 | Exhaust Gas Recirculation Sensor B Circuit High |
| P0410 | Secondary Air Injection System Malfunction |
| P0411 | Secondary Air Injection System Incorrect Flow Detected |
| P0412 | Secondary Air Injection System Switching Valve A Circuit Malfunction |
| P0413 | Secondary Air Injection System Switching Valve A Circuit Open |
| P0414 | Secondary Air Injection System Switching Valve A Circuit Shorted |
| P0415 | Secondary Air Injection System Switching Valve B Circuit Malfunction |
| P0416 | Secondary Air Injection System Switching Valve B Circuit Open |
| P0417 | Secondary Air Injection System Switching Valve B Circuit Shorted |
| P0418 | Secondary Air Injection System Relay "A" Circuit Malfunction |
| P0419 | Secondary Air Injection System Relay "B" Circuit Malfunction |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) |
| P0421 | Warm Up Catalyst Efficiency Below Threshold (Bank 1) |
| P0422 | Main Catalyst Efficiency Below Threshold (Bank 1) |
| P0423 | Heated Catalyst Efficiency Below Threshold (Bank 1) |
| P0424 | Heated Catalyst Temperature Below Threshold (Bank 1) |
| P0430 | Catalyst System Efficiency Below Threshold (Bank 2) |
| P0431 | Warm Up Catalyst Efficiency Below Threshold (Bank 2) |
| P0432 | Main Catalyst Efficiency Below Threshold (Bank 2) |
| P0433 | Heated Catalyst Efficiency Below Threshold (Bank 2) |
| P0434 | Heated Catalyst Temperature Below Threshold (Bank 2) |
| P0440 | Evaporative Emission Control System Malfunction |
| P0441 | Evaporative Emission Control System Incorrect Purge Flow |
| P0442 | Evaporative Emission Control System Leak Detected (small leak) |
| P0443 | Evaporative Emission Control System Purge Control Valve Circuit Malfunction |
| P0444 | Evaporative Emission Control System Purge Control Valve Circuit Open |
| P0445 | Evaporative Emission Control System Purge Control Valve Circuit Shorted |
| P0446 | Evaporative Emission Control System Vent Control Circuit Malfunction |
| P0447 | Evaporative Emission Control System Vent Control Circuit Open |
| P0448 | Evaporative Emission Control System Vent Control Circuit Shorted |
| P0449 | Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction |
| P0450 | Evaporative Emission Control System Pressure Sensor Malfunction |
| P0451 | Evaporative Emission Control System Pressure Sensor Range/Performance |
| P0452 | Evaporative Emission Control System Pressure Sensor Low Input |
| P0453 | Evaporative Emission Control System Pressure Sensor High Input |
| P0454 | Evaporative Emission Control System Pressure Sensor Intermittent |
| P0455 | Evaporative Emission Control System Leak Detected (gross leak) |
| P0460 | Fuel Level Sensor Circuit Malfunction |
| P0461 | Fuel Level Sensor Circuit Range/Performance |
| P0462 | Fuel Level Sensor Circuit Low Input |
| P0463 | Fuel Level Sensor Circuit High Input |
| P0464 | Fuel Level Sensor Circuit Intermittent |
| P0465 | Purge Flow Sensor Circuit Malfunction |
| P0466 | Purge Flow Sensor Circuit Range/Performance |
| P0467 | Purge Flow Sensor Circuit Low Input |
| P0468 | Purge Flow Sensor Circuit High Input |
| P0469 | Purge Flow Sensor Circuit Intermittent |
| P0470 | Exhaust Pressure Sensor Malfunction |
| P0471 | Exhaust Pressure Sensor Range/Performance |
| P0472 | Exhaust Pressure Sensor Low |
| P0473 | Exhaust Pressure Sensor High |
| P0474 | Exhaust Pressure Sensor Intermittent |
| P0475 | Exhaust Pressure Control Valve Malfunction |
| P0476 | Exhaust Pressure Control Valve Range/Performance |
| P0477 | Exhaust Pressure Control Valve Low |
| P0478 | Exhaust Pressure Control Valve High |
| P0479 | Exhaust Pressure Control Valve Intermittent |
| P0480 | Cooling Fan 1 Control Circuit Malfunction |
| P0481 | Cooling Fan 2 Control Circuit Malfunction |
| P0482 | Cooling Fan 3 Control Circuit Malfunction |
| P0483 | Cooling Fan Rationality Check Malfunction |
| P0484 | Cooling Fan Circuit Over Current |
| P0485 | Cooling Fan Power/Ground Circuit Malfunction |
| P0500 | Vehicle Speed Sensor Malfunction |
| P0501 | Vehicle Speed Sensor Range/Performance |
| P0502 | Vehicle Speed Sensor Low Input |
| P0503 | Vehicle Speed Sensor Intermittent/Erratic/High |
| P0505 | Idle Control System Malfunction |
| P0506 | Idle Control System RPM Lower Than Expected |
| P0507 | Idle Control System RPM Higher Than Expected |
| P0510 | Closed Throttle Position Switch Malfunction |
| P0520 | Engine Oil Pressure Sensor/Switch Circuit Malfunction |
| P0521 | Engine Oil Pressure Sensor/Switch Circuit Range/Performance |
| P0522 | Engine Oil Pressure Sensor/Switch Circuit Low Voltage |
| P0523 | Engine Oil Pressure Sensor/Switch Circuit High Voltage |
| P0530 | A/C Refrigerant Pressure Sensor Circuit Malfunction |
| P0531 | A/C Refrigerant Pressure Sensor Circuit Range/Performance |
| P0532 | A/C Refrigerant Pressure Sensor Circuit Low Input |
| P0533 | A/C Refrigerant Pressure Sensor Circuit High Input |
| P0534 | Air Conditioner Refrigerant Charge Loss |
| P0550 | Power Steering Pressure Sensor Circuit Malfunction |
| P0551 | Power Steering Pressure Sensor Circuit Range/Performance |
| P0552 | Power Steering Pressure Sensor Circuit Low Input |
| P0553 | Power Steering Pressure Sensor Circuit High Input |
| P0554 | Power Steering Pressure Sensor Circuit Intermittent |
| P0560 | System Voltage Malfunction |
| P0561 | System Voltage Unstable |
| P0562 | System Voltage Low |
| P0563 | System Voltage High |
| P0565 | Cruise Control On Signal Malfunction |
| P0566 | Cruise Control Off Signal Malfunction |
| P0567 | Cruise Control Resume Signal Malfunction |
| P0568 | Cruise Control Set Signal Malfunction |
| P0569 | Cruise Control Coast Signal Malfunction |
| P0570 | Cruise Control Accel Signal Malfunction |
| P0571 | Cruise Control/Brake Switch A Circuit Malfunction |
| P0572 | Cruise Control/Brake Switch A Circuit Low |
| P0573 | Cruise Control/Brake Switch A Circuit High |
| P0574 | Cruise Control Related Malfunction |
| P0575 | Cruise Control Related Malfunction |
| P0576 | Cruise Control Related Malfunction |
| P0577 | Cruise Control Related Malfunction |
| P0578 | Cruise Control Related Malfunction |
| P0579 | Cruise Control Related Malfunction |
| P0580 | Cruise Control Related Malfunction |
| P0600 | Serial Communication Link Malfunction |
| P0601 | Internal Control Module Memory Check Sum Error |
| P0602 | Control Module Programming Error |
| P0603 | Internal Control Module Keep Alive Memory (KAM) Error |
| P0604 | Internal Control Module Random Access Memory (RAM) Error |
| P0605 | Internal Control Module Read Only Memory (ROM) Error |
| P0606 | PCM Processor Fault |
| P0608 | Control Module VSS Output "A" Malfunction |
| P0609 | Control Module VSS Output "B" Malfunction |
| P0620 | Generator Control Circuit Malfunction |
| P0621 | Generator Lamp "L" Control Circuit Malfunction |
| P0622 | Generator Field "F" Control Circuit Malfunction |
| P0650 | Malfunction Indicator Lamp (MIL) Control Circuit Malfunction |
| P0654 | Engine RPM Output Circuit Malfunction |
| P0655 | Engine Hot Lamp Output Control Circuit Malfunction |
| P0656 | Fuel Level Output Circuit Malfunction |
| P0700 | Transmission Control System Malfunction |
| P0701 | Transmission Control System Range/Performance |
| P0702 | Transmission Control System Electrical |
| P0703 | Torque Converter/Brake Switch B Circuit Malfunction |
| P0704 | Clutch Switch Input Circuit Malfunction |
| P0705 | Transmission Range Sensor Circuit malfunction (PRNDL Input) |
| P0706 | Transmission Range Sensor Circuit Range/Performance |
| P0707 | Transmission Range Sensor Circuit Low Input |
| P0708 | Transmission Range Sensor Circuit High Input |
| P0709 | Transmission Range Sensor Circuit Intermittent |
| P0710 | Transmission Fluid Temperature Sensor Circuit Malfunction |
| P0711 | Transmission Fluid Temperature Sensor Circuit Range/Performance |
| P0712 | Transmission Fluid Temperature Sensor Circuit Low Input |
| P0713 | Transmission Fluid Temperature Sensor Circuit High Input |
| P0714 | Transmission Fluid Temperature Sensor Circuit Intermittent |
| P0715 | Input/Turbine Speed Sensor Circuit Malfunction |
| P0716 | Input/Turbine Speed Sensor Circuit Range/Performance |
| P0717 | Input/Turbine Speed Sensor Circuit No Signal |
| P0718 | Input/Turbine Speed Sensor Circuit Intermittent |
| P0719 | Torque Converter/Brake Switch B Circuit Low |
| P0720 | Output Speed Sensor Circuit Malfunction |
| P0721 | Output Speed Sensor Range/Performance |
| P0722 | Output Speed Sensor No Signal |
| P0723 | Output Speed Sensor Intermittent |
| P0724 | Torque Converter/Brake Switch B Circuit High |
| P0725 | Engine Speed input Circuit Malfunction |
| P0726 | Engine Speed Input Circuit Range/Performance |
| P0727 | Engine Speed Input Circuit No Signal |
| P0728 | Engine Speed Input Circuit Intermittent |
| P0730 | Incorrect Gear Ratio |
| P0731 | Gear 1 Incorrect ratio |
| P0732 | Gear 2 Incorrect ratio |
| P0733 | Gear 3 Incorrect ratio |
| P0734 | Gear 4 Incorrect ratio |
| P0735 | Gear 5 Incorrect ratio |
| P0736 | Reverse incorrect gear ratio |
| P0740 | Torque Converter Clutch Circuit Malfuction |
| P0741 | Torque Converter Clutch Circuit Performance or Stuck Off |
| P0742 | Torque Converter Clutch Circuit Stuck On |
| P0743 | Torque Converter Clutch Circuit Electrical |
| P0744 | Torque Converter Clutch Circuit Intermittent |
| P0745 | Pressure Control Solenoid Malfunction |
| P0746 | Pressure Control Solenoid Performance or Stuck Off |
| P0747 | Pressure Control Solenoid Stuck On |
| P0748 | Pressure Control Solenoid Electrical |
| P0749 | Pressure Control Solenoid Intermittent |
| P0750 | Shift Solenoid A Malfunction |
| P0751 | Shift Solenoid A Performance or Stuck Off |
| P0752 | Shift Solenoid A Stuck On |
| P0753 | Shift Solenoid A Electrical |
| P0754 | Shift Solenoid A Intermittent |
| P0755 | Shift Solenoid B Malfunction |
| P0756 | Shift Solenoid B Performance or Stuck Off |
| P0757 | Shift Solenoid B Stuck On |
| P0758 | Shift Solenoid B Electrical |
| P0759 | Shift Solenoid B Intermittent |
| P0760 | Shift Solenoid C Malfunction |
| P0761 | Shift Solenoid C Performance or Stuck Off |
| P0762 | Shift Solenoid C Stuck On |
| P0763 | Shift Solenoid C Electrical |
| P0764 | Shift Solenoid C Intermittent |
| P0765 | Shift Solenoid D Malfunction |
| P0766 | Shift Solenoid D Performance or Stuck Off |
| P0767 | Shift Solenoid D Stuck On |
| P0768 | Shift Solenoid D Electrical |
| P0769 | Shift Solenoid D Intermittent |
| P0770 | Shift Solenoid E Malfunction |
| P0771 | Shift Solenoid E Performance or Stuck Off |
| P0772 | Shift Solenoid E Stuck On |
| P0773 | Shift Solenoid E Electrical |
| P0774 | Shift Solenoid E Intermittent |
| P0780 | Shift Malfunction |
| P0781 | 1-2 Shift Malfunction |
| P0782 | 2-3 Shift Malfunction |
| P0783 | 3-4 Shift Malfunction |
| P0784 | 4-5 Shift Malfunction |
| P0785 | Shift/Timing Solenoid Malfunction |
| P0786 | Shift/Timing Solenoid Range/Performance |
| P0787 | Shift/Timing Solenoid Low |
| P0788 | Shift/Timing Solenoid High |
| P0789 | Shift/Timing Solenoid Intermittent |
| P0790 | Normal/Performance Switch Circuit Malfunction |
| P0801 | Reverse Inhibit Control Circuit Malfunction |
| P0803 | 1-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction |
| P0804 | 1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction |
| P0805 | Clutch Position Sensor Circuit Malfunction |
| P0806 | Clutch Position Sensor Circuit Range/Performance |
| P0807 | Clutch Position Sensor Circuit Low |
| P0808 | Clutch Position Sensor Circuit High |
| P0809 | Clutch Position Sensor Circuit Intermittent Ckt |
| P0810 | Clutch Position Control Malfunction |
| P0811 | Clutch Slippage Excessive |
| P0812 | Reverse Input Circuit Malfunction |
| P0813 | Reverse Output Circuit Malfunction |
| P0814 | Trans Range Display Circuit Malfunction |
| P0815 | Upshift Switch Circuit Malfunction |
| P0816 | Downshift Switch Circuit Malfunction |
| P0817 | Starter Disable Circuit |
| P0818 | Driveline Disconn. Switch Input |
| P0820 | Gear Lever X-Y Sensor Circuit |
| P0821 | Gear Lever X Sensor Circuit |
| P0822 | Gear Lever Y Sensor Circuit |
| P0823 | Gear Lever X Sensor Circuit Intermittent Ckt |
| P0824 | Gear Lever Y Sensor Circuit Intermittent Ckt |
| P0830 | Clutch Position Switch A Circuit Malfunction |
| P0831 | Clutch Position Switch A Circuit Low |
| P0832 | Clutch Position Switch A Circuit High |
| P0833 | Clutch Position Switch B Circuit Malfunction |
| P0834 | Clutch Position Switch B Circuit Low |
| P0835 | Clutch Position Switch B Circuit High |
| P0836 | 4 Wheel Drive Switch Circuit Malfunction |
| P0837 | 4 Wheel Drive Switch CKT Range/Perf |
| P0838 | 4 Wheel Drive Switch Circuit Low |
| P0839 | 4 Wheel Drive Switch Circuit High |
| P0840 | Trans Fluid Press Sensor/Switch A Circuit Malfunction |
| P0841 | Trans Fluid Press Sensor/Switch A CKT Range/Perf |
| P0842 | Trans Fluid Press Sensor/Switch A Circuit Low |
| P0843 | Trans Fluid Press Sensor/Switch A Circuit High |
| P0844 | Trans Fluid Press Sensor/Switch A CKT Intermittent |
| P0845 | Trans Fluid Press Sensor/Switch B Circuit Malfunction |
| P0846 | Trans Fluid Press Sensor/Switch B CKT Range/Perf |
| P0847 | Trans Fluid Press Sensor/Switch B Circuit Low |
| P0848 | Trans Fluid Press Sensor/Switch B Circuit High |
| P0849 | Trans Fluid Press Sensor/Switch B CKT Intermittent |
| P1000 | Electronic Gear Selector Module: Defective N15/5 |
| P1570 | Intermittent No-Start Immobiliser Module |
| P1581 | Electronic Throttle Monitor Malfunction |
| P1747 | Electronic Gear Selector Module: Defective Interaction of CAN with control unit A1(instrument cluster) |
| P1750 | Electronic Gear Selector Module: Very low control unit supply voltage |
| P1832 | Electronic Gear Selector Module: SHORT in circuit N15/5 output stage |
| P1910 | Electronic Gear Selector Module: Control Unit over voltage |
| P1912 | Electronic Gear Selector Module: Weak touch push button voltage |
| P2000 | NOx Trap Efficiency Below Threshold (Bank 1) |
| P2001 | NOx Trap Efficiency Below Threshold (Bank 2) |
| P2003 | Particulate Trap Efficiency Below Threshold (Bank 1) |
| P2004 | Particulate Trap Efficiency Below Threshold (Bank 2) |
| P2031 | Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2) |
| P2032 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2) |
| P2033 | Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2) |
| P2080 | Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 1) |
| P2081 | Exhaust Gas Temperature Sensor Circuit intermittent (Bank 1 Sensor 1) |
| P2100 | Throttle Actuator Control Motor Circuit/Open |
| P2101 | Throttle Actuator Control Motor Circuit Range/Performance |
| P2208 | Transmission: The speed of Y3/6n2 to Y3/6n3 is excessive |
Body (B Codes) - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)
| Code | Legend |
|---|---|
| B10B4 | Component A67r1 (Vertical position potentiometer) has Open circuit or Short circuit to ground. This fault can be ignored as of manufacture year 10.2003. |
| B1000 | HRA Headlamp range adjustment: Supply voltage of the control unit is too low (undervoltage) |
| B1004 | LCP Lower Control Panel: Control unit does not match vehicle type |
| B1056 | Automatic Air Conditioning: Problem in CAN communication with control unit DCM-RL |
| B1066 | Sliding/Tilting Sun Roof is not normalised |
| B1201 | Electric seat adjustment front left: Hall sensor front height M27m3 |
| B1206 | The signal from the component M21/1r2 (Mirror adjustment up/down potentiometer) is faulty. |
| B1208 | The signal from the component M21/1r3 (Mirror in/out adjustment potentiometer) is faulty. |
| B1213 | If seat memory installed: ext left rearview mirror voltage faulty |
| B1214 | If seat memory installed: ext right rearview mirror voltage faulty |
| B1226 | In-car temperature sensor (B10/4) |
| B1227 | Outside temperature indicator temp sensor (014) |
| B1228 | Heater core temperature (B10/1) |
| B1229 | Heater core temperature (B10/1) |
| B1230 | Evaporator temperature sensor (B10/6) |
| B1231 | ECT sensor (B11/4) |
| B1232 | Refrigerant pressure sensor (B12) |
| B1233 | Refrigerant temperature sensor (B12/1) |
| B1234 | Sun sensor (B32) |
| B1235 | Emissions sensor (B31) |
| B1241 | Refrigerant Fill |
| B1245 TBC | PTS Parktronic: A42b5 (right centre sensor, front bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1246 | PTS Parktronic: A42b1 (left outer sensor, front bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1247 | PTS Parktronic: A42b2 (left centre sensor, front bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1248 | PTS Parktronic: A42b3 (left inner sensor, front bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1249 | PTS Parktronic: A42b4 (right inner sensor, front bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1251 TBC | PTS Parktronic: A42b6 (right outer sensor, front bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1252 | PTS Parktronic: A42b7 (right outer sensor, rear bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1253 | PTS Parktronic: A42b8 (right inner sensor, rear bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1254 | PTS Parktronic: A42b9 (left inner sensor, rear bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1255 | PTS Parktronic: A42b10 (left outer sensor, rear bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1310 | Left/Window airbag sensor is defective |
| B1315 | Problem in Front passenger child seat recognition |
| B1416 | Coolant circulation pump (M13) |
| B1417 | Duovalve (Y21y1), left |
| B1418 | Duovalve (Y21y2), right |
| B1419 | Electromagnetic clutch (A9k1) |
| B1420 | Idle speed increase |
| B1421 | Pulse module (N05) |
| B1422 | Series interface (K1) connection to instrument cluster (A1) |
| B1423 | Switchover valve block (Y11) |
| B1424 | Activated charcoal filler actuator (A32m2) open |
| B1425 | Activated charcoal filler actuator (A32m2) closed |
| B1432 | Non-USA DTC |
| B1436-012 | The safety time of the central locking has been exceeded for the following pneumatic branch: Driver's door. |
| B1436-014 | The safety time of the central locking has been exceeded for the following pneumatic branch: Front passenger door or rear doors. |
| B1436-015 | The safety time of the central locking has been exceeded for the following pneumatic branch: Passenger door. |
| B1436-016 | The safety time of the central locking has been exceeded for the following pneumatic branch: Left rear door. |
| B1436-017 | The safety time of the central locking has been exceeded for the following pneumatic branch: Right rear door. |
| B1437 | The safety time has been exceeded for the following pneumatic branch: Lower or raise rear head restraints. |
| B1438-011 | The air demand of the multicontour backrest is too high. |
| B1438-012 | The safety time has been exceeded for the following pneumatic branch: Multicontour backrest. |
| B1440 | The safety time has been exceeded for the following pneumatic branch: Trunk lid remote release. |
| B1442-012 | The safety time of the power closing has been exceeded for the following pneumatic branch: Driver's door. |
| B1442-015 | The safety time of the power closing has been exceeded for the following pneumatic branch: Passenger door |
| B1442-016 | The safety time of the power closing has been exceeded for the following pneumatic branch: Left rear door. |
| B1442-017 | The safety time of the power closing has been exceeded for the following pneumatic branch: Right rear door. |
| B1442-018 | The safety time of the power closing has been exceeded for the following pneumatic branch: Trunk lid. |
| B1459 | Series interface (K2) connection to instrument cluster (A1) |
| B1462 | Wide open throttle (WOT) position signal diesel engines |
| B1476 | Airbag malfunction indicator and warning lamp is defective |
| B1480 | Component M36 (left headlamp range adjustment motor) has short or open circuit. |
| B1481 | HRA: Part E2m1 (Right headlamp range adjustment motor) has short to ground |
| B1484 | The component or the signal line to the component M5/1 (Windshield washer fluid pump) has Open circuit or Overload. |
| B1489 | HRA: Part E2m1 (Right headlamp range adjustment motor) has open or short to positive |
| B1492 | HRA: Part E1m1 (Left headlamp range adjustment motor) has short to positive |
| B1520 | The power window actuation is faulty. The relay in component N69/4 (Right rear door control unit) does not operate. |
| B1600 | E6/6 (Right exterior mirror turn signal lamp). |
| B1617 | Part E19/1 (Left license plate lamp) is defective |
| B1618 | Part E19/2 (Right license plate lamp) is defective |
| B1628 | Part E2e5 (Turn signal lamp) in module E2 (Right front headlamp unit) is defective. |
| B1630 | Component E1e2 (Left low beam) in module E1 (Left front headlamp unit) is faulty. |
| B1630 | Component E2e2 (Right low beam) in module E2 (Right front headlamp unit) is faulty. |
| B1636 | The component or the signal line to the component E13/2 (Glove compartment illumination with switch) has Short circuit to ground. |
| B1637 | The illumination for front ashtray, spectacles compartment, storage compartment and footwell is faulty. |
| B1703 | Intermittent No Start in AAM Immobiliser Module |
| B1729 | PSE Pneumatic system doorlock Control Module A37 |
| B1736 | Navigation system's CD Player: Check General CD, Check CD data block, Flimsy CD data |
| B1768 | Faulty open data flap limit switch (0025) Front flap |
| B1773 | HRA: Zero position programming has not yet been carried out or is not possible |
| B1850 | Electric seat adjustment front right: CAN communication interrupted with DCM |
Chassis (C Codes) - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)
| Code | Legend |
|---|---|
| C1000 | Traction System Control Module |
| C1010 | Battery Voltage Low |
| C1011 | ASR/ETS/ESP Circuit Open or Shorted |
| C1012 | Battery Voltage High |
| C1020 | CAN Communication Fault |
| C1021 | CAN Communication With EA/CC/ISC Control Module Interrupted |
| C1024 | CAN Communication With Engine Control Module Interrupted |
| C1025 | CAN Communication BAS communication with ESP control unit faulty |
| C1100 | Left Front Axle VSS Circuit Fault |
| C1101 | Right Front Axle VSS Circuit Fault |
| C1102 | ETS/ASR, ABS Left Axle VSS Circuit Fault |
| C1103 | Right Rear Axle VSS Circuit Fault |
| C1121 | AIRmatic: fault in component B24/3 (acceler. sensor) |
| C1122 | AIRmatic: fault in component B24/4 (acceler. sensor) |
| C1123 | AIRmatic: fault in component B24/6 (acceler. sensor) |
| C1132 | AIRmatic: fault in component B22/8 (level sensor) |
| C1133 | AIRmatic: fault in component B22/9 (level sensor) |
| C1135 | AIRmatic: fault in component B22/3 (level sensor) |
| C1140 | BAS light, play in steering column causes steering angle sensor to lose memory(?) |
| C1142 | ABS Lateral Acceleration Sensor Open/Shorted |
| C1144 | AIRmatic: fault in component B7 (pressure sensor) |
| C1200 | Stop Light Switch Open/Shorted/Implausible |
| C1300 | Left Front Axle Solenoid Valve (Hold) (A7/3y6) Open/Shorted |
| C1303 | Right Front Axle Solenoid Valve (Hold) Open/Shorted |
| C1311 | Switchover Solenoid Valve (Release) Open/Shorted |
| C1312 | Master Cylinder Switchover Valve |
| C1401 | High Pressure Return Pump Circuit Open/Shorted; Will Not Shut Off |
| C1501 | SPS P-Valve |
| C1504 | BAS light, play in steering column causes steering angle sensor to lose memory(?) |
| C1512 | Brakes Overheated |
| C1600 | Temperature After Engine Is Turned Off |
Network or New Systems (U Codes) - M-B Fault Error Codes/Diagnostic Trouble Codes (DTC)
| Code | Legend |
|---|---|
| U0001 | High Speed CAN Communication Bus |
| U0002 | High Speed CAN Communication Bus Performance |
| U0003 | High Speed CAN Communication Bus (+) open |
| U0004 | High Speed CAN Communication Bus (+) low |
| U0005 | High Speed CAN Communication Bus (+) high |
| U0006 | High Speed CAN Communication Bus (-) open |
| U0007 | High Speed CAN Communication Bus (-) low |
| U0008 | High Speed CAN Communication Bus (-) high |
| U0009 | High Speed CAN Communication Bus (-) shorted to Bus (+) |
| U0010 | Medium Speed CAN Communication Bus |
| U0011 | Medium Speed CAN Communication Bus Performance |
| U0012 | Medium Speed CAN Communication Bus (+) open |
| U0013 | Medium Speed CAN Communication Bus (+) low |
| U0014 | Medium Speed CAN Communication Bus (+) high |
| U0015 | Medium Speed CAN Communication Bus (-) open |
| U0016 | Medium Speed CAN Communication Bus (-) low |
| U0017 | Medium Speed CAN Communication Bus (-) high |
| U0018 | Medium Speed CAN Communication Bus (-) shorted to Bus (+) |
| U0019 | Low Speed CAN Communication Bus |
| U0020 | Low Speed CAN Communication Bus Performance |
| U0021 | Low Speed CAN Communication Bus (+) open |
| U0022 | Low Speed CAN Communication Bus (+) low |
| U0023 | Low Speed CAN Communication Bus (+) high |
| U0024 | Low Speed CAN Communication Bus (-) open |
| U0025 | Low Speed CAN Communication Bus (-) low |
| U0026 | Low Speed CAN Communication Bus (-) high |
| U0027 | Low Speed CAN Communication Bus (-) shorted to Bus (+) |
| U0028 | Vehicle Communication Bus A |
| U0029 | Vehicle Communication Bus A Performance |
| U0030 | Vehicle Communication Bus A (+) open |
| U0031 | Vehicle Communication Bus A (+) low |
| U0032 | Vehicle Communication Bus A (+) high |
| U0033 | Vehicle Communication Bus A (-) open |
| U0034 | Vehicle Communication Bus A (-) low |
| U0035 | Vehicle Communication Bus A (-) high |
| U0036 | Vehicle Communication Bus A (-) shorted to Bus (+) |
| U0037 | Vehicle Communication Bus B |
| U0038 | Vehicle Communication Bus B Performance |
| U0039 | Vehicle Communication Bus B (+) open |
| U0040 | Vehicle Communication Bus B (+) low |
| U0041 | Vehicle Communication Bus B (+) high |
| U0042 | Vehicle Communication Bus B (-) open |
| U0043 | Vehicle Communication Bus B (-) low |
| U0044 | Vehicle Communication Bus B (-) high |
| U0045 | Vehicle Communication Bus B (-) shorted to Bus (+) |
| U0046 | Vehicle Communication Bus C |
| U0047 | Vehicle Communication Bus C Performance |
| U0048 | Vehicle Communication Bus C (+) open |
| U0049 | Vehicle Communication Bus C (+) low |
| U0050 | Vehicle Communication Bus C (+) high |
| U0051 | Vehicle Communication Bus C (-) open |
| U0052 | Vehicle Communication Bus C (-) low |
| U0053 | Vehicle Communication Bus C (-) high |
| U0054 | Vehicle Communication Bus C (-) shorted to Bus (+) |
| U0055 | Vehicle Communication Bus D |
| U0056 | Vehicle Communication Bus D Performance |
| U0057 | Vehicle Communication Bus D (+) open |
| U0058 | Vehicle Communication Bus D (+) low |
| U0059 | Vehicle Communication Bus D (+) high |
| U0060 | Vehicle Communication Bus D (-) open |
| U0061 | Vehicle Communication Bus D (-) low |
| U0062 | Vehicle Communication Bus D (-) high |
| U0063 | Vehicle Communication Bus D (-) shorted to Bus (+) |
| U0064 | Vehicle Communication Bus E |
| U0065 | Vehicle Communication Bus E Performance |
| U0066 | Vehicle Communication Bus E (+) open |
| U0067 | Vehicle Communication Bus E (+) low |
| U0068 | Vehicle Communication Bus E (+) high |
| U0069 | Vehicle Communication Bus E (-) open |
| U0070 | Vehicle Communication Bus E (-) low |
| U0071 | Vehicle Communication Bus E (-) high |
| U0072 | Vehicle Communication Bus E (-) shorted to Bus (+) |
| U0073 | Control Module Communications Bus Off |
| U0100 | Lost Communication with ECM/PCM A |
| U0101 | Lost Communication with TCM |
| U0102 | Lost Communication with Transfer Case Control Module |
| U0103 | Lost Communication with Gear Shift Module |
| U0104 | Lost Communication with Cruise Control Module |
| U0105 | Lost Communication with Fuel Injector Control Module |
| U0192 | Lost Communication with Television |
| U0197 | Lost Communication with Telephone Control Module |
| U0198 | Lost Communication with Telematic Control Module |
| U0222 | Lost Communication with Door Window Motor A |
| U0235 | Lost Communications with Cruise Control Front Distance Range Sensor |
| U0301 | Software Incompatibility with ECM/PCM |
| U0302 | Software Incompatibility with TCM (Transmission Control Module) |
| U0303 | Software Incompatibility with Transfer Case Control Module |
| U0321 | Software Incompatibility with Ride Level Control Module |
| U0326 | Software Incompatibility with Vehicle Immobilizer Control Module |
| U0327 | Software Incompatibility with Vehicle Security Control Module |