Diagnostic Trouble Codes (gMT 800 models before 2007.)
| Code | Possible location of the malfunction |
| B0004 | Vehicle Speed Signal - Open Circuit |
| B0012 | Passenger Airbag Stage 2 - Low Resistance |
| B0013 | Passenger Airbag Stage 2 - Open Circuit |
| B0014 | Passenger Airbag Stage 2 - Voltage Out of Limits |
| B0016 | Passenger Airbag Stage 1 - Low Resistance |
| B0017 | Passenger Airbag Stage 1 - Open Circuit |
| B0018 | Passenger Airbag Stage 1 - Voltage Out of Limits |
| B0022 | Driver Airbag Stage 1 - Low Resistance |
| B0024 | Driver Airbag Stage 1 - Voltage Out of Limits |
| B0026 | Driver Airbag Stage 1 - Rupture |
| B0028 | Curtain airbag, right - low resistance |
| B0029 | Curtain airbag, right - open circuit |
| B0030 | Safety curtain, right - voltage is outside the set limits |
| B0040 | Curtain airbag, left - low resistance |
| B0041 | Curtain airbag, left - open circuit |
| B0042 | Driver Airbag Stage 2 - Low Resistance |
| B0043 | Driver Airbag Stage 2 - Voltage Out of Limits |
| B0044 | Driver Airbag Stage 2 - Rupture |
| B0045 | Airbag curtain, left - voltage out of range |
| B0051 | Command to deploy airbags |
| B0053 | Command to deploy airbags, there are fault codes |
| B0077 | Side impact sensor, left - malfunction |
| B0078 | Side impact sensor, right - operation |
| B0079 | Side impact sensor, left - incorrect installation |
| B0080 | Side impact sensor, left - defective |
| B0081 | Side impact sensor, right - incorrect installation |
| B0082 | Side impact sensor, right - defective |
| B0083 | Right Front/Passenger Seat Position Sensor - Circuit |
| B0084 | Left Front/Driver Seat Position Sensor - Circuit |
| B0092 | Passenger Identification System - Operation |
| B0098 | Passenger Identification System - Configuration Error |
| B0100 | Front Electronic Sensor 1 - Functioning |
| B0101 | Front electronic sensor 1 - defective |
| B0102 | Front Electronic Sensor 1 - Incorrect Installation |
| B0103 | Front Electronic Sensor 2 - Operation |
| B0104 | Front electronic sensor 2 - defective |
| B0105 | Front Electronic Sensor 2 - Incorrect Installation |
| B0159 | Ambient Air Temperature Sensor - Range / Function |
| B0164 | Interior Temperature Sensor (1) - Range / Function |
| B0169 | Interior Temperature Sensor (2) - Range / Function |
| B0174 | Exhaust Air Temperature Sensor (1) - Range / Function |
| B0179 | Exhaust Air Temperature Sensor (2) - Range / Function |
| B0183 | Sunlight sensor (1) - circuit |
| B0188 | Sunlight sensor (2) - circuit |
| B0229 | Recirculation Actuator Position Sensor Feedback Circuit Range/Performance |
| B0263 | Air flow control 6 - chain |
| B0268 | Air flow control 7 - chain |
| B0283 | Rear Window Defogger - Circuit |
| B0408 | Temperature control (1) - chain |
| B0414 | Temperature Control (1) Feedback Loop - Range/Performance |
| B0418 | Temperature control (2) - chain |
| B0424 | Temperature Control (2) Feedback Loop - Range/Performance |
| B0429 | Temperature control (3) - range/function |
| B0434 | Temperature Control (3) Feedback Loop - Range/Performance |
| B0510 | Exhaust Air Temperature Sensor (3) - Range / Function |
| B0515 | Exhaust Air Temperature Sensor (4) - Range / Function |
| B0540 | Speedometer - chain |
| B0560 | Tachometer - chain |
| B0790 | Transfer Case Neutral Indicator Circuit Malfunction |
| B1000 | Electronic control unit - operation |
| B1001 | Option configuration error |
| B1004 | KAM reboot |
| B1007 | EEPROM - write error |
| B1009 | EEPROM checksum mismatch |
| B1023 | Integrated switch - operation |
| B1025 | Audio output (1), left front - circuit |
| B1035 | Audio output (2), right front - circuit |
| B1045 | Audio output (3), left rear - circuit |
| B1055 | Audio output (4), right rear - circuit |
| B1235 | Amplifier - turn-on signal circuit |
| B1259 | Antenna mass - chain |
| B1271 | Anti-theft system |
| B1372 | Component, Ignition Circuit (1) - Range/Performance |
| B1375 | Component Power Circuit - Ignition (3) |
| B1390 | Component Reference Voltage (1) - Input Circuit |
| B1397 | Component Reference Voltage, Output Circuit - Low Level |
| B1440 | Power supply mode, main circuits - mismatch |
| B1480 | Battery protection circuit |
| B1487 | Generator, pin "L" - low level |
| B1488 | Generator, pin "L" - high level |
| B1492 | Generator, pin "F" - low level |
| B1516 | Battery Current Sensor - Operation |
| B1544 | Mirror drive motors - chain |
| B1580 | Mirror horizontal position sensor, left front - circuit |
| B1590 | Mirror vertical position sensor, left front - circuit |
| B1600 | Mirror vertical adjustment motor - chain |
| B1605 | Electric motor for horizontal adjustment of mirror - chain |
| B1610 | Mirror horizontal position sensor, right front - circuit |
| B1620 | Mirror vertical position sensor, right front - circuit |
| B1640 | Mirror heater, left front - chain |
| B1645 | Mirror heater, right front - chain |
| B1722 | Mirror folding drive - control circuit |
| B1770 | Driver's seat horizontal adjustment motor - chain |
| B1775 | Driver's front seat vertical adjustment motor - chain |
| B1780 | Driver's seat rear vertical adjustment motor - chain |
| B1785 | Driver's seat backrest tilt adjustment motor - chain |
| B1790 | Driver's seat lumbar adjustment motor - chain |
| B1805 | Driver's seat side bolster adjustment motor - chain |
| B1825 | Driver's seat back position sensor |
| In 1850 | Driver's seat lumbar support horizontal position sensor |
| In 1960 | Driver's seat side bolster adjustment sensor - circuit |
| B2355 | Driver's front seat vertical position sensor |
| B2365 | Driver's rear seat vertical position sensor |
| B2375 | Driver's seat horizontal position sensor |
| B2425 | Driver's Seat Heater - Circuit |
| B2430 | Passenger Seat Heater - Circuit |
| B2435 | Driver Seat Back Heater Sensor - Circuit |
| B2440 | Passenger Seat Back Heater Sensor - Circuit |
| B2455 | Cell Phone Microphone - Circuit |
| B2462 | GPS signal - error |
| B2470 | Cell Phone Antenna - Circuit |
| B2476 | Cell phone remote control |
| B2482 | Cell Phone Remote Control - Range/Operation |
| B2483 | GPS Sensor - Low Level |
| B2484 | GPS sensor - open circuit |
| B2527 | Fog lights - low level |
| B2537 | Rear Fog Lights - Low Level |
| B2550 | Reversing lights - control circuit |
| B2575 | Headlights - control circuit |
| B2580 | High beam headlights - control circuit |
| B2585 | Parking lights - control circuit |
| B2600 | Daytime running lights (1) - control circuit |
| B2610 | Interior light regulator (1) - chain |
| B2615 | Interior light regulator (2) - chain |
| B2620 | Display Backlight Controller, Pulse Width Modulation - Input Circuit |
| B2625 | Display Backlight Controller, Pulse Width Modulation - Output Circuit |
| B2645 | Light sensor |
| B2725 | PBX mode switch (transfer case) - electrical circuit malfunction |
| B2734 | Checksum error |
| B2752 | Horn Relay - Low Level |
| B2815 | Steering Wheel Switches - Incorrect Resistance |
| B2947 | Anti-theft system, sensor power supply - low level |
| B2948 | Anti-theft system, sensor power supply - high level |
| B2957 | Anti-theft system, data - low level |
| B2958 | Anti-theft system, data - high level |
| B2960 | Anti-theft system, data - incorrect data within tolerance |
| B2961 | Checking the presence of the key in the ignition switch |
| B3031 | Anti-theft system - controller in adaptation mode |
| VZOZZ | Anti-theft system - intrusion notification |
| B3055 | No transponder / no transponder modulation |
| B3060 | Transponder - unprogrammed identification code received |
| B3531 | Air flow control 10 - chain |
| B3579 | Exhaust Air Temperature Sensor (6) - Range / Function |
| B3584 | Exhaust Air Temperature Sensor (7) - Range / Function |
| B3593 | Steering operation mode switch |
| B3604 | Pedal Position Adjustment Switch - Forward |
| B3605 | Pedal Position Adjustment Switch - Back |
| B3606 | Pedal Position Sensor |
| B3764 | Air Flow Control 4 - Feedback Loop |
| B3770 | Air Flow Control 6 - Feedback Loop |
| B3801 | Interior Lighting - Request Chain |
| B3802 | Parking lights - request circuit |
| B3808 | Rear Door Lock Relay - Circuit |
| B3809 | Rear Door Unlock Relay - Circuit |
| B3819 | Window lifter, left rear - control circuit (up) |
| B3820 | Window lifter, left rear - control circuit (down) |
| B3821 | Window lifter, left rear - power relay circuit |
| B3822 | Window lifter, right rear - control circuit (up) |
| B3823 | Window lifter, right rear - control circuit (down) |
| B3824 | Window Regulator, Right Rear - Power Relay Circuit |
| B3825 | Rear Door - Lock Signal Circuit |
| B3935 | Transponder - authentication error |
| B3941 | Front Seat Heater - Circuit |
| B3962 | Seat Drive Motors - Over Current |
| C0000 | Vehicle speed signal circuit |
| C0035 | Wheel speed sensor, left front - chain |
| C0040 | Wheel speed sensor, right front - chain |
| C0045 | Wheel speed sensor, left rear - chain |
| C0050 | Wheel speed sensor, right rear - chain |
| C0110 | Pump motor - chain |
| C0131 | ABS / Traction Control System (TCS) - Pressure monitoring |
| C0161 | ABS system / Traction Control System (TCS) - brake light switch |
| C0186 | Lateral acceleration sensor |
| C0196 | Lateral displacement sensor |
| C0201 | ABS system, switch relay - circuit |
| C0220 | ABS System, Left Front Channel - Excessively Long Reset |
| C0221 | Wheel speed sensor, right front - open circuit |
| C0222 | Wheel speed sensor, right front - signal missing |
| C0223 | Wheel speed sensor, right front - random failure |
| C0224 | ABS System, Right Front Channel - Excessively Long Reset |
| C0225 | Wheel speed sensor, left front - open circuit |
| C0226 | Wheel speed sensor, left front - signal missing |
| C0227 | Wheel speed sensor, left front - random failure |
| C0228 | ABS System, Left Front Channel - Excessively Long Reset |
| C0229 | ABS system, right rear channel - excessively long reset Wheel speed sensors, front - failure |
| C0235 | Wheel speed sensor, rear - open circuit |
| C0236 | Wheel speed sensor, rear - skip |
| C0237 | Wheel speed sensor, rear - random failure |
| C0238 | Wheel speed sensor - mismatch |
| C0240 | Electronic Powertrain Control Unit - No Traction Control |
| C0241 | ABS Control Unit Valve - Chain |
| C0242 | ABS Control Unit Valve - Chain |
| C0243 | ABS Control Unit Valve - Chain |
| C0244 | Torque Monitoring - Pulse Width Modulation Malfunction ABS Control Unit Valve - Circuit |
| C0245 | Wheel Speed Sensor - Speed Error ABS Control Unit Valve - Circuit |
| C0246 | ABS Control Unit Valve - Chain |
| C0247 | ABS Control Unit Valve - Chain |
| C0248 | ABS Control Unit Valve - Chain |
| C0251 | ABS Control Unit Valve - Chain |
| C0252 | ABS Control Unit Valve - Chain |
| C0253 | ABS Control Unit Valve - Chain |
| C0253 | Centering error |
| C0254 | ABS Control Unit Valve - Chain |
| C0265 | ABS unit electric motor relay |
| C0266 | ABS unit electric motor relay |
| C0267 | Pump motor - open circuit |
| C0268 | Pump motor - short circuit |
| C0269 | Excessive reset time |
| C0271 | ABS Electronic Control Unit - Malfunction |
| C0272 | ABS Electronic Control Unit - Malfunction |
| C0273 | ABS Electronic Control Unit - Malfunction |
| C0274 | Excessive holding time |
| C0279 | Booster pump - operation Incorrect configuration of the power unit |
| C0281 | Brake Light Switch - Circuit |
| C0283 | Mode switch - circuit malfunction |
| C0284 | ABS Electronic Control Unit - Malfunction |
| C0287 | Torque Transfer Signal - Malfunction |
| C0290 | Diagnostic connector Class 2 - malfunction |
| C0291 | Lost connection with the VSM |
| C0292 | Lost communication with ECM |
| C0297 | Powertrain configuration not received |
| C0298 | Powertrain control system - malfunction |
| C0300 | Rear propeller shaft speed sensor - malfunction |
| C0305 | Front propeller shaft speed sensor - malfunction |
| C0306 | Electric Motor (A/B) - Circuit |
| C0321 | Transfer case lock - chain |
| C0327 | Encoder - malfunction |
| C0329 | Encoder, signal - low level |
| C0359 | 4WD-Low Range - Output Circuit |
| C0374 | General system failure |
| C0379 | Front Wheel Drive Connection System - Malfunction |
| C0455 | Steering Position Sensor, Front - Circuit |
| C0472 | Steering Wheel Speed Sensor - Signal Circuit |
| C0472 | Steering Wheel Position Sensor - Low |
| C0473 | Steering Wheel Speed Sensor - Signal Circuit |
| C0473 | Steering Wheel Position Sensor - High Level |
| C0522 | Rear Steering Position Sensor - Circuit |
| C0527 | Rear Steering Motor Position Sensor - Circuit |
| C0532 | Rear Steering Position Sensors and Rear Electric Motor - Correlation |
| C0533 | Rear Steering Motor Relay, Rear - Circuit |
| C0538 | Rear Steering Motor - Chain |
| C0543 | Rear Steering Motor Position Sensor Error |
| C0550 | Electronic control unit - operation |
| C0550 | Electronic control unit - malfunction |
| C0551 | Option configuration error |
| C0558 | Calibration data - not programmed |
| C0575 | Solenoid valve, left front - chain |
| C0580 | Solenoid valve, right front - chain |
| C0585 | Solenoid valve, left rear - chain |
| C0590 | Solenoid valve, right rear - chain |
| C0615 | Position sensor, left front - chain |
| C0620 | Position sensor, right front - chain |
| C0625 | Position sensor, left rear - chain |
| C0630 | Position sensor, right rear - chain |
| C0655 | Height Control Compressor - Chain |
| C0660 | Height control system, exhaust valve - chain |
| C0690 | Shock Absorber Control Relay - Circuit |
| C0711 | Height Control System, Air Pressure Sensor - Circuit |
| C0750 | Tire Pressure Sensor - Left Front |
| C0755 | Tire Pressure Sensor - Right Front |
| C0760 | Tire Pressure Sensor - Left Rear |
| C0765 | Tire Pressure Sensor - Right Rear |
| C0775 | Tire pressure sensors - adaptation/programming not completed |
| C0870 | Component Reference Voltage - Output Circuit |
| P0053 | Oxygen Sensor Heater (B1S1) - Resistance |
| P0054 | Oxygen Sensor Heater (B1S2) - Resistance |
| P0059 | Oxygen Sensor Heater (B2S1) - Resistance |
| P0060 | Oxygen Sensor Heater (B2S2) - Resistance |
| P0068 | Throttle body - operation (air flow) |
| P0101 | Air flow sensor - operation |
| P0102 | Air Flow Sensor - Low Signal Frequency |
| P0103 | Air Flow Sensor - High Signal Frequency |
| P0106 | Manifold Absolute Pressure Sensor - Function |
| P0107 | Manifold Absolute Pressure Sensor - Low Voltage |
| P0108 | Manifold Absolute Pressure Sensor High Voltage |
| P0112 | Intake Air Temperature Sensor - Low Voltage |
| P0113 | Intake Air Temperature Sensor High Voltage |
| P0116 | Coolant Temperature Sensor - Operation |
| P0117 | Coolant Temperature Sensor - Low Voltage |
| P0118 | Coolant Temperature Sensor High Voltage |
| P0120 | Throttle Position Sensor 1 - Circuit |
| P0128 | The coolant temperature is below the level regulated by the thermostat |
| P0131 | Oxygen Sensor (B1S1) - Low Voltage |
| P0132 | Oxygen Sensor (B1S1) - High Voltage |
| P0133 | Oxygen sensor (B1S1) - slow response |
| P0134 | Oxygen sensor (B1S1) - poor performance |
| P0135 | Oxygen Sensor Heater (B1S1) - Function |
| P0137 | Oxygen Sensor (B1S2) - Low Voltage |
| P0138 | Oxygen Sensor (B1S2) - High Voltage |
| P0140 | Oxygen sensor (B1S2) - poor performance |
| P0141 | Oxygen Sensor Heater (B1S2) - Function |
| P0151 | Oxygen Sensor (B2S1) - Low Voltage |
| P0152 | Oxygen Sensor (B2S1) - High Voltage |
| P0153 | Oxygen sensor (B2S1) - slow response |
| P0154 | Oxygen sensor (B2S1) - poor performance |
| P0155 | Oxygen Sensor Heater (B2S1) - Function |
| P0157 | Oxygen Sensor (B2S2) - Low Voltage |
| P0158 | Oxygen Sensor (B2S2) - High Voltage |
| P0160 | Oxygen sensor (B2S2) - poor performance |
| P0161 | Oxygen Sensor Heater (B2S2) - Function |
| P0169 | Incorrect fuel balance |
| P0171 | Too lean mixture (B1) |
| P0172 | Too rich mixture (B1) |
| P0174 | Too lean mixture (B2) |
| P0175 | Too rich mixture (B2) |
| P0178 | Air-Fuel Composition Sensor - Low Frequency |
| P0179 | Air-Fuel Composition Sensor - High Frequency |
| P0200 | Injector - control circuit |
| P0218 | Overheating of the working fluid of the gearbox |
| P0220 | Throttle Position Sensor 2 - Circuit |
| P0230 | Fuel Pump Relay - Control Circuit |
| P0300 | Misfires |
| P0315 | Crankshaft position sensor, deviations - no adaptation |
| P0325 | Knock Sensor - Circuit |
| P0327 | Knock Sensor (1) - Low Signal Frequency |
| P0332 | Knock Sensor (2) - Low Signal Frequency |
| P0335 | Crankshaft Position Sensor - Circuit |
| P0336 | Crankshaft Position Sensor - Operation |
| P0336 | Crankshaft Position Sensor - Circuit |
| P0341 | Camshaft Position Sensor - Operation |
| P0342 | Camshaft Position Sensor - Low Voltage |
| P0343 | Camshaft Position Sensor High Voltage |
| P0351 | Ignition Coil 1 - Control Circuit |
| P0352 | Ignition Coil 2 - Control Circuit |
| P0353 | Ignition coil 3 - control circuit |
| P0354 | Ignition coil 4 - control circuit |
| P0355 | Ignition coil 5 - control circuit |
| P0356 | Ignition coil 6 - control circuit |
| P0357 | Ignition coil 7 - control circuit |
| P0358 | Ignition coil 8 - control circuit |
| P0420 | Low efficiency of the catalytic converter (B1) |
| P0430 | Low efficiency of the catalytic converter (B2) |
| P0442 | EVAP system - small leak |
| P0443 | EVAP system, purge control solenoid valve |
| P0446 | EVAP system - ventilation (functioning) |
| P0449 | EVAP system, solenoid valve ventilation |
| P0451 | Fuel tank pressure sensor - operation |
| P0452 | Fuel Tank Pressure Sensor - Low Voltage |
| P0453 | Fuel Tank Pressure Sensor High Voltage |
| P0454 | Fuel tank pressure sensor - poor contact |
| P0455 | EVAP system - major leak |
| P0461 | Fuel level sensor (1) - operation |
| P0462 | Fuel level sensor (1) - low voltage |
| P0463 | Fuel Level Sensor (1) - High Voltage |
| P0464 | Fuel level sensor (1) - poor contact in the circuit |
| P0480 | Cooling system fan 1 - control circuit |
| P0481 | Cooling system fan 2 - control circuit |
| P0496 | EVAP system - flow without purge |
| P0502 | Speed Sensor Signal Circuit Low Voltage |
| P0503 | Speed sensor - poor contact |
| P0506 | Idle speed - low |
| P0507 | Idle speed - high |
| P0522 | Engine Oil Pressure Sensor - Low Voltage |
| P0523 | Engine Oil Pressure Sensor High Voltage |
| P0530 | Air conditioning system, refrigerant pressure sensor - circuit |
| P0562 | System voltage is low |
| P0563 | System voltage is high |
| P0567 | Cruise control switch (Resume) - chain |
| P0568 | Cruise control switch (Set) - chain |
| P0601 | Electronic Control Unit - ROM Error |
| P0602 | Electronic control unit - not programmed |
| P0604 | Electronic Control Unit - RAM Error |
| P0606 | Electronic control unit - operation |
| P0608 | Vehicle Speed Sensor - Output Circuit |
| P0609 | Vehicle Speed Sensor - Output Circuit (1) |
| P0615 | Starter Relay - Control Circuit |
| P0622 | Generator - pin "F" |
| P0641 | Power supply (5V) - circuit (1) |
| P0650 | Malfunction Indicator Light (MIL) - Control Circuit |
| P0651 | Power supply (5V) - circuit (2) |
| P0654 | Crankshaft Speed Signal - Circuit |
| P0706 | Gearbox selector position sensor - operation |
| P0711 | Automatic transmission fluid temperature sensor - operation |
| P0712 | Automatic transmission fluid temperature sensor - low voltage |
| P0713 | Automatic Transmission Fluid Temperature Sensor - High Voltage |
| P0716 | Input Shaft Speed Sensor - Operation |
| P0717 | Input Shaft Speed Sensor - Low Voltage |
| P0719 | Brake Light Switch - Low Voltage |
| P0724 | Brake Light Switch - High Voltage |
| P0730 | Incorrect gear ratio |
| P0740 | Torque Converter Lock-Up Control Valve, Control Circuit |
| P0741 | Torque converter lockup clutch - sticking in disengaged position |
| P0742 | Torque converter lockup clutch - sticking in engaged position |
| P0748 | Solenoid pressure control valve, control circuit |
| P0751 | Solenoid valve 1-2 - functioning, no 1st or 4th gear |
| P0752 | Solenoid valve 1-2 - functioning, no 2nd or 3rd gear |
| P0753 | Solenoid valve 1-2, control circuit |
| P0756 | Solenoid valve 2-3 - functioning, no 1st or 2nd gear |
| P0757 | Solenoid valve 2-3 - functioning, no 3rd or 4th gear |
| P0758 | Solenoid valve 2-3, control circuit |
| P0785 | Solenoid valve 3-2, control circuit |
| P0856 | Traction control, torque request |
| P0894 | Transmission - slippage |
| R1106 | Manifold Absolute Pressure Sensor - Intermittent High Voltage |
| R1107 | Manifold Absolute Pressure Sensor - Intermittent Low Voltage |
| R1111 | Intake Air Temperature Sensor - Intermittent High Voltage |
| R1112 | Intake Air Temperature Sensor - Intermittent Low Voltage |
| R1114 | Coolant Temperature Sensor - Intermittent Low Voltage |
| R1115 | Coolant Temperature Sensor - Intermittent High Voltage |
| R1125 | Accelerator pedal position sensor |
| R1133 | Oxygen sensor (B1S1) - poor performance |
| R1134 | Oxygen Sensor (B1S1) - Switching Time Factor |
| R1153 | Oxygen sensor (B2S1) - poor performance |
| R1154 | Oxygen Sensor (B2S1) - Switching Time Factor |
| R1258 | Engine overheating - protection mode activated |
| R1380 | Misfire - Rough Road Information Not Available |
| R1381 | Misfire - Lost Communication with Parking Brake Control Unit |
| R1516 | Throttle actuator (TAS) - unit operation |
| R1574 | Brake light switch |
| R1626 | Anti-theft alarm system - loss of fuel enable signal |
| R1630 | Anti-theft system - learning mode activated |
| R1631 | Anti-theft system - incorrect fuel supply signal |
| R1637 | Generator - pin "L" |
| R1644 | Traction control, torque request - output circuit |
| R1689 | Traction control, torque request - output circuit |
| R1810 | Transmission Fluid Pressure Regulator Position Sensor - Circuit |
| R2066 | Fuel level sensor (2) - operation |
| R2067 | Fuel level sensor (2) - low voltage |
| R2068 | Fuel Level Sensor (2) - High Voltage |
| R2101 | Throttle actuator (TAS), control unit - operation |
| R2108 | Throttle actuator (TAS) - operation |
| R2120 | Accelerator Pedal Position Sensor (1) - Circuit |
| R2121 | Accelerator pedal position sensor (1) - operation |
| R2125 | Accelerator Pedal Position Sensor (2) - Circuit |
| R2135 | Throttle Position Sensor (1/2) - Correlation |
| R2610 | Ignition Shutdown Timer - Operation |
| R2636 | Fuel pump - insufficient flow |
| R2761 | Torque Converter Lock-Up Clutch Pressure Control Solenoid, Control Circuit |
| R2771 | 4WD Downshift Switch - Chain |
| R2A01 | Oxygen sensor (B1S2) - operation |
| R2A04 | Oxygen sensor (B2S2) - operation |
| U0107 | Lost Communication with Throttle Actuator Control (TAC) |
| U1000 | Diagnostic connector Class 2 - malfunction |
| U1016 | Lost Communication with Powertrain Control Module (PCM) |
| U1022 | Lost Communication with Generator/Battery Control Module (GBCM) |
| U1026 | Lost Communication with Transfer Case Control Module (TCSCM) |
| U1041 | Lost Communication with the Electronic Brake System Control Unit (EBCM) |
| U1048 | Lost Communication with 4WS Control Module (RWSCM) |
| U1056 | Loss of communication with the suspension control unit (ESC) |
| U1064 | Loss of communication with the electrical equipment control unit (EECU) |
| U1088 | Lost Communication with SRS Control Module (SDM) |
| U1096 | Lost Communication with Instrument Panel Cluster (IPC) |
| U1128 | Lost connection with audio system |
| U1129 | Lost connection with audio system amplifier |
| U1130 | Lost connection with CD changer (CDX) |
| U1133 | Lost connection with rear entertainment system (RSE) |
| U1137 | Lost connection with digital radio receiver (DRR) |
| U1151 | Lost connection with Onstar control unit |
| U1152 | Lost communication with the air conditioning control unit |
| U1154 | Lost communication with the air conditioning control unit (rear air conditioner) |
| U1160 | Lost Communication with Driver Door Module (DDM) |
| U1161 | Lost Communication with Front Passenger Door Module (FPDM) |
| U1166 | Lost Communication with Driver Seat Management (DSM) Control Module |
| U1167 | Lost Communication with Rear Audio Controller (RSA) |
| U1192 | Lost Communication with the Theft Deterrent (VTD) |
| U1241 | Lost connection with scanner |
| U1300 | Diagnostic Connector Class 2 - Low Level |
| U1301 | Diagnostic connector Class 2 - high level |
| U1305 | Diagnostic Connector Class 2 - Low/High Level |
| U1500 | Component communication bus - malfunction |
| 023 | Seat Belt Tension Sensor - Signal Out of Range |
| 024 | PPS, ignition circuit (1) - voltage / performance |
| 063 | PPS - out of calibration |
| 064 | PPS - Communication / Identification Functionality |
| 065 | PPS sensor - signal is out of range |
[Original version of the article on the website CHEVYMAN]