NOTE: Universal Scan Tools cannot read the listed codes or can only read 5-digit codes. Match the 5 digits from the scan tool with the first 5 digits of the listed 7 digit code to identify the problem (the last 2 digits give additional information read by the diagnostic system approved by the manufacturer).
DTCs | Description | Possible reasons | Actions |
C110501 | Stoplight management | General electrical fault. Activation of brake lights (BLA) - short circuit to + battery or ground Damaged wiring harness / electrical connector | Refer to the electrical manual and check the BLA wiring harness. Check that the wiring harness does not have a short to ground or power circuit. |
C110567 | Stoplight management | Wrong signal after the event. | Check the operation of the brake light relay (also known as HDC relay) and the correct inclusion of stoplights. Refer to electrical manuals and check switch and brake light circuits. |
C110924 | Vehicle Stability Control Switch | High voltage signal stuck - DSC switch malfunction (If the DSC switch is held down for more than 1 minute, the switch appears to be inoperative) | Refer to electrical manuals and check switch and DSC circuits. |
C1A0004 | control module | Vehicle Stability Control Module Internal Malfunction | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0005 | control module | Vehicle stability control module programming failure | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0016 | control module | Check the car's battery and charging system. Refer to the relevant section in the workshop manual. Refer to the electrical manuals and check the module power circuits. | |
C1A0017 | control module | Check battery voltage and charging system. Refer to the relevant section in the workshop manual. Refer to the electrical manuals and check the module power circuits. | |
C1A001C | control module | Vehicle Stability Control Module Power Circuit - Voltage Out of Range | Instant low voltage, check vehicle battery and charging system. Refer to the relevant section in the workshop manual. Refer to the electrical manuals and check the module power circuits. |
C1A0041 | control module | Vehicle Stability Control Module Checksum Error | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0042 | control module | General memory malfunction of the vehicle stability control system module | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0043 | control module | Specific memory malfunction of the vehicle stability control system module | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0044 | control module | Vehicle Stability Control Module Data Memory Malfunction | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0045 | control module | Malfunction of memory of programming of the module of control of stability of the car | Clear the DTCs and recheck. If the problem persists after several attempts, replace the modulator. If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0046 | control module | Configure the module using an approved diagnostic system. Clear the DTC and check if a DTC is generated after the ignition has been reset after more than 10 seconds of ignition on. If the above is normal and the DTC persists, replace the modulator. If a module is suspected, refer to the warranty policy and procedures manual. | |
C1A0047 | control module | Malfunction of the control microprocessor / safety microprocessor of the vehicle stability control system module | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0048 | control module | Vehicle Stability Control Module Control Software Malfunction | Configure the module using an approved diagnostic system. |
C1A0049 | control module | Vehicle Stability Control Module Internal Electronic Malfunction | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A004A | control module | Configure the module using an approved diagnostic system. | |
C1A004B | control module | Vehicle Stability Control Module Temperature High | Allow the module to cool down, clear the DTC and retest. Do not replace the modulator as this is a safety feature to prevent damage to the valve. This DTC may be generated if the service scan tool requests long periods of valve control. |
C1A0062 | control module | Vehicle Stability Control Module Internal Malfunction | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0063 | control module | Vehicle Stability Control Module Element Protection Timeout | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0064 | control module | Uncharacteristic signal of the vehicle stability control system module | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A0068 | control module | Vehicle stability control module event information | Check steering wheel angle sensor for misadjustment and malfunction, wheel speed sensor for malfunction, yaw rate/lateral acceleration sensor for malfunction. Repair if necessary. Clear the DTCs and recheck. |
C1A0088 | control module | Refer to section "Network communication" in the workshop manual. | |
C1A7601 | Valve relay | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A7604 | Valve relay | Internal faults in the electrical circuit of the modulator valve relay | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A7716 | Valve relay supply circuit | The voltage in the electrical circuit is below the threshold value. | Refer to the electrical manuals and check the connections in the valve relay circuits. |
C1A7804 | Left front intake valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A7809 | Left front intake valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A7904 | Left front exhaust valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8004 | Right front intake valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8104 | Right front exhaust valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8204 | Left rear intake valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8209 | Left rear intake valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8304 | Left rear exhaust valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8404 | Right rear intake valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8504 | Right rear exhaust valve | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8604 | Switching valve No. 1 | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8609 | Switching valve No. 1 | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8704 | Switching valve No. 2 | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8804 | High pressure switching valve #1 | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A8904 | High pressure switching valve #2 | Internal modulator fault | If a module is suspected, refer to the warranty policy and procedures manual. |
C1A9012 | Wheel speed sensor power | Wheel speed sensor power circuit - short circuit to power Harness/electrical connector problem. Sensor failure | Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9113 | Left front wheel speed sensor | Wheel Speed Sensor Circuit - High Resistance Harness/Electrical Connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9125 | Left front wheel speed sensor | Waveform failure Harness/electrical connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A912F | Left front wheel speed sensor | Erratic Beep Harness/Electrical Connector Problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9136 | Left front wheel speed sensor | Signal frequency too low Harness/electrical connector problem. Incorrect sensor installation. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9138 | Left front wheel speed sensor | Incorrect signal frequency Missing and damaged teeth of the impulse wheel | Remove the transducer and visually inspect the CV joint impulse wheel for missing teeth and damage to the teeth. If the encoder pulse wheel is damaged, replace the CVJ. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. |
C1A9162 | Left front wheel speed sensor | Signal matching error Incorrect size of installed wheels or tires Harness/electrical connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9164 | Left front wheel speed sensor | No signal plausibility Harness/electrical connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9165 | Left front wheel speed sensor | Signal has too few transitions/events Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9178 | Left front wheel speed sensor | Check the wheel speed sensor installation. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
C1A9213 | Left rear wheel speed sensor | Wheel Speed Sensor Circuit - High Resistance Harness/Electrical Connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9225 | Left rear wheel speed sensor | Waveform failure Harness/electrical connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A922F | Left rear wheel speed sensor | Erratic Beep Harness/Electrical Connector Problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9236 | Left rear wheel speed sensor | Signal frequency too low. Problem with wiring harness/electrical connector. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9238 | Left rear wheel speed sensor | Incorrect signal frequency Missing and damaged teeth of the impulse wheel | Remove the transducer and visually inspect the CV joint impulse wheel for missing teeth and damage to the teeth. If the encoder pulse wheel is damaged, replace the CVJ. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. |
C1A9262 | Left rear wheel speed sensor | Signal matching error Incorrect size of installed wheels or tires Harness/electrical connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9264 | Left rear wheel speed sensor | No signal plausibility Harness/electrical connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9265 | Left rear wheel speed sensor | Signal has too few transitions/events Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9278 | Left rear wheel speed sensor | Check the wheel speed sensor installation. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
C1A9313 | Right rear wheel speed sensor | • Wheel Speed Sensor Circuit - High Resistance Harness/Electrical Connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9325 | Right rear wheel speed sensor | Waveform failure Harness/electrical connector problem. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A932F | Right rear wheel speed sensor | Chaotic signal. Harness/Electrical Connector Problem Sensor Malfunction | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9336 | Right rear wheel speed sensor | Signal frequency too low. Problem with wiring harness/electrical connector. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9338 | Right rear wheel speed sensor | Incorrect signal frequency Missing and damaged teeth of the impulse wheel | Remove the transducer and visually inspect the CV joint impulse wheel for missing teeth and damage to the teeth. If the encoder pulse wheel is damaged, replace the CVJ. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. |
C1A9362 | Right rear wheel speed sensor | Signal matching error Wrong size of installed wheels or tires Harness/electrical connector problem Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9364 | Right rear wheel speed sensor | Lack of signal credibility. Problem with wiring harness/electrical connector. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9365 | Right rear wheel speed sensor | Signal has too few transitions/events Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9378 | Right rear wheel speed sensor | Check the wheel speed sensor installation. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
C1A9413 | Right front wheel speed sensor | Wheel speed sensor circuit high resistance. Problem with wiring harness/electrical connector. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9425 | Right front wheel speed sensor | Waveform Fault Harness/Electrical Connector Problem Sensor Malfunction | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A942F | Right front wheel speed sensor | Chaotic signal. Problem with wiring harness/electrical connector. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9436 | Right front wheel speed sensor | Signal frequency too low. Problem with wiring harness/electrical connector. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9438 | Right front wheel speed sensor | Incorrect signal frequency Missing and damaged teeth of the impulse wheel | Remove the transducer and visually inspect the CV joint impulse wheel for missing teeth and damage to the teeth. If the encoder pulse wheel is damaged, replace the CVJ. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. |
C1A9462 | Right front wheel speed sensor | Signal matching error. Incorrect wheel or tire size fitted. Problem with wiring harness/electrical connector. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9464 | Right front wheel speed sensor | Lack of signal credibility. Problem with wiring harness/electrical connector. Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Check the vehicle while driving at speeds greater than 20 km/h to ensure that the repair was successful. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9465 | Right front wheel speed sensor | Signal has too few transitions/events Sensor failure | Check the wheel speed sensor and refer to the electrical manual to check the electrical circuit. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9478 | Right front wheel speed sensor | Check the wheel speed sensor installation. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
C1A954A | Wheel speed sensor | Incorrect installation of the wheel speed sensor | Check wheel speed sensors. Clear the DTCs and recheck. |
C1A9562 | Wheel speed sensor | Signal Matching Error Wheel Speed Sensor Rotation Pattern | The wheel speed sensor is installed upside down. Check the correct installation of the wheel speed sensor. |
C1A9564 | Wheel speed sensor | Check that the wheels and tires are the correct size. Check wheel speed sensors and circuits. Remove the transducer and visually inspect the CV joint impulse wheel for missing teeth and damage to the teeth. If the encoder pulse wheel is damaged, replace the CVJ. Replace sensors if necessary. Refer to the relevant section in the workshop manual. | |
C1A9613 | Stoplight switch | Stop lamp switch circuit high resistance. Wiring harness/electrical connector problem | Check the operation of the stop lights. Refer to the electrical manuals and check the brake light switch circuit, repair as needed. |
C1A9624 | Stoplight switch | Check the operation of the stop lights. Refer to the electrical manuals and check the brake light switch circuit, repair as needed. | |
C1A9662 | Stoplight switch | Check the operation of the stop lights. Refer to the electrical manuals and check the brake light switch circuit, repair as needed. | |
C1A9664 | Stoplight switch | Check the operation of the stop lights. Refer to the electrical manuals and check the brake light switch circuit, repair as needed. If the switch and circuits are OK, an internal modulator failure is suspected. If a module is suspected, refer to the warranty policy and procedures manual. | |
C1A9724 | Transverse accelerometer | High Voltage Signal Stuck Yaw/Lateral Acceleration Sensor Internal Error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9727 | Transverse accelerometer | The rate of change of the signal is above the threshold. Problem with wiring harness/electrical connector. Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9728 | Transverse accelerometer | Signal offset level out of range/ internal tuning failure "zero point" Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9729 | Transverse accelerometer | Invalid signal Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9749 | Transverse accelerometer | Internal electronic fault Possible open circuit in sensor wiring connector, pin aY Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9764 | Transverse accelerometer | No signal plausibility Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9786 | Transverse accelerometer | Invalid signal Signal circuit - high resistance Signal circuit - short circuit to ground Signal circuit - short circuit to battery voltage Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9796 | Transverse accelerometer | Internal element failure Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9801 | Yaw sensor | General electrical fault Reference circuit - high resistance (DRSR pin) Reference circuit - short to ground (DRSR pin) Reference circuit - short circuit to + battery (DRSR pin) Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9822 | Yaw sensor | Signal amplitude greater than prescribed maximum value Internal yaw/lateral acceleration sensor error Steering angle sensor not calibrated Faulty steering angle sensor | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9827 | Yaw sensor | Rate of change of signal above threshold Internal yaw/lateral acceleration sensor error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9828 | Yaw sensor | Signal offset level out of range/ internal tuning failure "zero point" Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9829 | Yaw sensor | Invalid signal Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9861 | Yaw sensor | Signal Calculation Failure Yaw/Lateral Acceleration Sensor Internal Error Uncalibrated Steering Angle Sensor Faulty Steering Angle Sensor | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9862 | Yaw sensor | Signal Mapping Error Internal Yaw/Lateral Acceleration Sensor Error Uncalibrated Steering Angle Sensor Faulty Steering Angle Sensor | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9864 | Yaw sensor | No signal plausibility Yaw/lateral acceleration sensor internal error Uncalibrated steering angle sensor Faulty steering angle sensor | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9886 | Yaw sensor | Invalid signal Signal circuit - high resistance (DRSS pin) Signal circuit - short to ground (DRSS pin) Signal circuit - short circuit to + battery (DRSS pin) Yaw/lateral acceleration sensor internal error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1A9892 | Yaw sensor | Performance problems or incorrect operation Check that the sensor is correctly oriented Internal yaw/lateral acceleration sensor error | Check installation of combined yaw/lateral acceleration sensor. Refer to the electrical manuals and check the yaw sensor circuit. Repair/replace as needed. Refer to the relevant section in the workshop manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. Before erasing the information displayed by the instrument panel lamps, a road test is required. |
C1A9901 | Pressure meter | General electrical fault Modulator internal error | Replace the ABS modulator. If a module is suspected, refer to the warranty policy and procedures manual. |
C1A9929 | Pressure meter | Invalid signal Modulator internal error | Replace the ABS modulator. If a module is suspected, refer to the warranty policy and procedures manual. |
C1A9949 | Pressure meter | Internal electronic fault Modulator internal error | Replace the ABS modulator. If a module is suspected, refer to the warranty policy and procedures manual. |
C1A9964 | Pressure meter | No signal plausibility Internal modulator error | Replace the ABS modulator. If a module is suspected, refer to the warranty policy and procedures manual. |
C1B0027 | Steering angle sensor | Rate of change of signal above threshold Steering angle sensor not calibrated Steering angle sensor problem | Check for steering wheel angle sensor DTCs. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1B0029 | Steering angle sensor | Invalid signal Steering angle sensor not calibrated Steering angle sensor problem | Check for steering wheel angle sensor DTCs. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1B0061 | Steering angle sensor | Signal Calculation Failure Uncalibrated Steering Angle Sensor Steering Angle Sensor Problem | Check for steering wheel angle sensor DTCs. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1B0064 | Steering angle sensor | No Plausibility Steering Wheel Angle Sensor Not Calibrated Steering Angle Sensor Problem | Check for steering wheel angle sensor DTCs. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1B0092 | Steering angle sensor | Performance problems or incorrect operation Uncalibrated steering angle sensor Steering angle sensor problem | Check for steering wheel angle sensor DTCs. Refer to the guided diagnostic program for this code on the approved diagnostic system. |
C1B0201 | return pump | Return pump circuit - general electrical fault Modulator internal error | Replace the ABS modulator. If a module is suspected, refer to the warranty policy and procedures manual. |
C1B0216 | return pump | Return pump circuit - voltage below threshold Damaged wiring harness Defective fuse | Refer to the electrical manuals, check the wiring harness and module fuses, and make any necessary repairs. |
C1B0249 | return pump | Internal electronic fault Modulator internal error | Replace the ABS modulator. If a module is suspected, refer to the warranty policy and procedures manual. |
C1B2224 | Controlled descent switch | High Voltage Signal Stuck If the HDC switch is held down for more than 1 minute, a DTC may be set. Wiring harness/electrical connector problem | Refer to electrical manuals and check switch and circuit for short to battery. Check HDC switch operation and repair/replace if necessary. |
U010087 | Lost Communication with ECM/PCM "A" | Check ECM installation/configuration. Refer to section "Network communication" in the workshop manual. | |
U010187 | Loss of communication with TCM | Check TCM installation/configuration. Refer to section "Network communication" in the workshop manual. | |
U010287 | Lost Communication With Transfer Case Control Module | Check TCCM installation/configuration. Refer to section "Network communication" in the workshop manual. | |
U010487 | Lost Communication With Cruise Control Module | Check the installation/configuration of the control module. Refer to section "Network communication" in the workshop manual. | |
U012687 | Lost Communication With Steering Angle Sensor Module | Check the installation/configuration of the control module. Refer to section "Network communication" in the workshop manual. | |
U012887 | Lost Communication With Parking Brake Control Module | Check the installation/configuration of the control module. Refer to section "Network communication" in the workshop manual. | |
U013287 | Lost Communication with Suspension Control Module "A" | Check the installation/configuration of the control module. Refer to section "Network communication" in the workshop manual. | |
U013387 | Lost Communication with Active Roll Control Module | Check the installation/configuration of the control module. Refer to section "Network communication" in the workshop manual. | |
U013687 | Lost Communication With Rear Differential Control Module | Check the installation/configuration of the control module. Refer to section "Network communication" in the workshop manual. | |
U013887 | Lost Communication with Terrain Response System Control Module | Check the installation/configuration of the control module. Refer to section "Network communication" in the workshop manual. | |
U015587 | Loss of Communication with Instrument Cluster Control Module (IPC) | Check the installation/configuration of the control module. Refer to section "Network communication" in the workshop manual. | |
U040168 | Invalid data received from ECM/PCM A | Event Information | Check for engine control related DTCs Refer to the appropriate section in the workshop manual. |
U040268 | Invalid data received from TCM | Event Information | Check for transmission related DTCs Refer to the appropriate section in the workshop manual. |
U040368 | Invalid data received from transfer case control module | Event Information | Check for transfer case related DTCs Refer to the appropriate section in the workshop manual. |
U040568 | Invalid data received from cruise control module | Event Information | Check for cruise control related DTCs Refer to the appropriate section in your workshop manual. |
U041768 | Invalid data received from parking brake control module | Event Information | Check for parking brake related DTCs Refer to the appropriate section in your workshop manual. |
U042168 | Invalid data received from suspension control module "A" | Event Information | Check for Dynamic Suspension DTCs Refer to the appropriate section in the workshop manual. |
U042468 | Invalid data received from HVAC control module | Event Information | Ignore this DTC. |
U042868 | Invalid data received from steering angle sensor module | Event Information | Check the steering wheel angle sensor and circuits. Refer to the electrical manual. Test the vehicle while driving on roads that require steering input changes to ensure repair is successful. |
U1A4968 | Invalid Data Received from Terrain Response System Control Module | Event Information | Check for DTCs for the terrain response system. Refer to the relevant section in the workshop manual. |
U1A4A68 | Invalid data received from the rear differential control module | Event Information | Check for RDCM DTCs Refer to the appropriate section in the workshop manual. |
U200168 | Reduced system performance | Event information Not a malfunction. System "stuck" when the system cools down. The customer may see the warning light stay on during the degraded period, or may notice that the vehicle behaves differently than when the traction control is operating. | This event occurs if the ECU reduces functionality to prevent the service brakes from overheating. This is normal ECU operation and is not a malfunction. Clear/ignore this DTC. |
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