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).
NOTE: Intermittent faults may cause a DTC to be logged, however some DTCs may be cleared in an ignition off/on cycle. Carry out a road test (if it's safe), check system functionality and read all DTCs before turning off the ignition.
| DTCs | Description | Possible reasons | Actions |
| B1A8455 | Vehicle configuration data | Data not as expected according to VIN / air suspension configuration not set correctly | Customize the vehicle configuration file (CCF), using an approved diagnostic system. Clear the DTCs and check for proper system operation. |
| C112201 | Steering shut-off valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C11231C | Steering Shutoff Valve Circuit | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C112F72 | Air spring valve | Refer to an approved diagnostic system to check the angle valve. | |
| C113066 | Air supply to air spring | Visually inspect the system for air leaks. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C11307A | Air supply to air spring | Visually inspect the system for excessive air leakage. Check linkage (s) height sensor for damage/interference. Visually inspect the air line for signs of melting, flattening, twisting, or collapse. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C113192 | Air supply to air spring | Visually inspect the system for air leaks. Check the correct wiring and installation of the piping of the receiver valve block. | |
| C1A001C | control module | Check the charge, condition and electrical circuit of the battery. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C1A001D | control module | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0049 | control module | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0053 | control module | This is not a malfunction, air was bled from the system using the diagnostic program | Run the Air Suspension De-Air Program using the approved diagnostic system or the program listed at the end of this section. |
| C1A0054 | control module | If the problem is found during the pre-sales inspection, using the approved diagnostic system, verify that the air suspension control module (RLM) NOT in Manufacturing Mode, Calibration Mode, or Close Tolerance Mode. If necessary, set the RLM configuration to custom mode (tight tolerance mode or fabrication mode can be set/uninstalled by starting and then aborting the suspension geometry setup process from the IDS menu. Refer to the appropriate technical service bulletin (TSB)). Clear the DTCs and check for proper system operation. System calibration using an approved diagnostic system should only be performed if the DTC is re-logged. Clear the DTCs and check for proper system operation. | |
| C1A0119 | Light-emitting diode | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C1A031C | Left front height sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic routine on the approved diagnostic system for linkage, mounting, and height sensor electrical circuit checks. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0326 | Left front height sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0329 | Left front height sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. | |
| C1A0392 | Left front height sensor | Make sure the car is not obstructed. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check for air leakage in the air spring. Check the air line for signs of melting, flattening, twisting, or collapse. Check for proper wiring and installation of the front and rear valve blocks piping. Check the correct wiring and installation of the piping of the receiver valve block. Refer to an approved diagnostic system to check the angle valve, reservoir and outlet valve. Check the angle valve for leaks. | |
| C1A041C | Right front height sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0426 | Right front height sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0429 | Right front height sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. | |
| C1A0492 | Right front height sensor | Make sure the car is not obstructed. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check for air leakage in the air spring. Check the air line for signs of melting, flattening, twisting, or collapse. Check for proper wiring and installation of the front and rear valve blocks piping. Check the correct wiring and installation of the piping of the receiver valve block. Refer to an approved diagnostic system to check the angle valve, reservoir and outlet valve. Check the angle valve for leaks. | |
| C1A051C | Left Rear Height Sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0526 | Left Rear Height Sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0529 | Left Rear Height Sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. | |
| C1A0592 | Left Rear Height Sensor | Make sure nothing is blocking the car. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check for air leakage in the air spring. Check the air line for signs of melting, flattening, twisting or breaking. Check for proper wiring and installation of the front and rear valve blocks piping. Check the correct wiring and installation of the piping of the receiver valve block. Refer to an approved diagnostic system to check the angle valve, reservoir and outlet valve. Check the angle valve for leaks. | |
| C1A061C | Right Rear Height Sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any mounting elements of the height sensor are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0626 | Right Rear Height Sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A0629 | Right Rear Height Sensor | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any mounting elements of the height sensor are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. | |
| C1A0692 | Right Rear Height Sensor | Make sure the car is not obstructed. Check the correct installation and tightening torque of the height sensor mounting elements. If any mounting elements of the height sensor are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check for air leakage in the air spring. Check the air line for signs of melting, flattening, twisting or breaking. Check for proper wiring and installation of the front and rear valve blocks piping. Check the correct wiring and installation of the piping of the receiver valve block. Refer to an approved diagnostic system to check the angle valve, reservoir and outlet valve. Check the angle valve for leaks. | |
| C1A0762 | Operation of split anti-roll bars | Follow the procedure described in the corresponding Special Service Message (SSM). Check the condition and security of the bracket (ov) height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height must be recalibrated. Calibrate the system using an approved diagnostic system. | |
| C1A081C | Pressure sensor supply | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A091C | Pressure sensor signal | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A1064 | Pressure fluctuations when the system is inactive | Check the correct wiring and installation of the receiver piping and air springs. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A1164 | Pressure fluctuations when the system is inactive | Check the correct wiring and installation of the receiver piping and air springs. Refer to the guided diagnostic routine on the approved diagnostic system for checks on the angle valve, reservoir valve, pressure sensor, and electrical circuit. | |
| C1A1364 | The pressure does not decrease when the gallery is connected to the atmosphere | Refer to the guided diagnostic program for this code on the approved diagnostic system. Check exhaust piping and air suspension muffler for blockage/reduced capacity. Check the correct wiring and installation of the piping of the receiver valve block. | |
| C1A1864 | Too rapid increase in pressure when filling the receiver | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C1A2064 | Too slow increase in pressure when filling the receiver | Refer to the guided diagnostic program for this code on the approved diagnostic system. Check intake piping and air suspension muffler for blockage/reduction. | |
| C1A2464 | No temperature rise when compressor is requested | Check the mounting of the compressor cylinder head temperature sensor and the electrical connection. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C1A2467 | No temperature rise when compressor is requested | Check the mounting of the compressor cylinder head temperature sensor and the electrical connection. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C1A2616 | Temperature sensor circuit | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A2712 | Compressor circuit | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A2714 | Compressor circuit | Check/replace fuses as needed. Refer to the electrical manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A2729 | Compressor circuit | DTC C1A2712 will be generated first. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A2864 | Wrong number of LEDs on | Check/replace the fuse as needed. Refer to the electrical manual. Refer to the electrical manual and check the electrical circuits of the switch box and LEDs. Replace/repair if necessary. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A2992 | Switch activation too long | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3064 | Both switches pressed at the same time | Check/replace the fuse as needed. Refer to the electrical manual. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3101 | Left front corner valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3201 | Right front corner valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3301 | Left rear corner valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3401 | Right rear corner valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3501 | Receiver valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3601 | Exhaust valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3701 | Front position control valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A3801 | Rear position control valve | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A5501 | Ignition switch input circuit | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C1A681C | Left Front Height Sensor Power | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A691C | Right Front Height Sensor Power | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A701C | Left Rear Height Sensor Power | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A711C | Right Rear Height Sensor Power | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A721C | Left front height sensor mechanism | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A731C | Left front height sensor mechanism | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A741C | Left Rear Height Sensor Mechanism | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1A751C | Right Rear Height Sensor Mechanism | Visually inspect the wiring harness and electrical connectors for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. Check the condition of the bracket and the security of the height sensor. Check the correct installation and tightening torque of the height sensor mounting elements. If any of the height sensor fasteners are loose or the height sensor has been replaced, the vehicle's ride height should be recalibrated. Calibrate the system using an approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| C1B1862 | Cross-checking the supply voltage | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C1B1903 | Door status signal | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| C1B211C | Compressor motor brush holder temperature sensor circuit | Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. | |
| U007388 | Bus shutdown "A" control module data transmission | Short circuit of CAN bus wires to each other | Refer to section "Network communication" in the workshop manual. |
| U010087 | Lost communication with ECM/PCM "A" | Refer to section "Network communication" in the workshop manual. | |
| U010187 | Loss of communication with transmission control unit | Refer to section "Network communication" in the workshop manual. | |
| U010287 | Loss of communication with the transfer box control unit | Refer to section "Network communication" in the workshop manual. | |
| U012287 | Lost Communication with Vehicle Dynamics Control Module | Refer to section "Network communication" in the workshop manual. | |
| U012687 | Lost Communication With Steering Angle Sensor Module | Refer to section "Network communication" in the workshop manual. | |
| U012887 | Lost Communication With Parking Brake Control Module | Refer to section "Network communication" in the workshop manual. | |
| U013387 | Lost Communication with Active Roll Control Module | Refer to section "Network communication" in the workshop manual. | |
| U013687 | Lost Communication With Rear Differential Control Module | Refer to section "Network communication" in the workshop manual. | |
| U015587 | Lost Communication with Instrument Cluster Control Module (IPC) | Refer to section "Network communication" in the workshop manual. | |
| U030055 | Internal control module software incompatibility | If necessary, configure the air suspension control module and instrument panel using an approved diagnostic system. | |
| U040186 | Invalid data received from ECM/PCM A | Malfunction of the engine management system | Refer to section "Network communication" in the workshop manual. |
| U041686 | Invalid data received from vehicle dynamics control module | Refer to section "Network communication" in the workshop manual. Check the ABS DTCs and make any necessary repairs. | |
| U041786 | Invalid data received from parking brake control module | Parking brake malfunction | Refer to section "Network communication" in the workshop manual. |
| U042886 | Invalid data received from steering angle sensor module (SASM) | Check the security of the electrical connection. Configure/calibrate the SAS using an approved diagnostic system. Refer to section "6network communication" in the workshop manual. | |
| U043486 | Invalid data received from active roll control module | Malfunction of the vehicle's dynamic suspension system | Refer to section "Network communication" in the workshop manual. |
| U1A1387 | Lost Communication with Terrain Response System Control Module | Refer to section "Network communication" in the workshop manual. | |
| U1A1449 | CAN initialization failure | Internal electronic fault | Refer to section "Network communication" in the workshop manual. |
| U1A3562 | VIN data | Set up the instrument panel configuration using the approved diagnostic system. | |
| U200067 | Motor temperature | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| U200701 | Valve (s) | DTC C1A001D will be generated first. Visually inspect the wiring harness and connectors between the air suspension control module and control valves for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| U200711 | Valve (s) | Visually inspect the wiring harness and connectors between the air suspension control module and control valves for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| U200719 | Valve (s) | Refer to the guided diagnostic program for this code on the approved diagnostic system. | |
| U200767 | Valve (s) | Visually inspect the wiring harness and connectors between the air suspension control module and control valves for water ingress. Refer to the guided diagnostic program for this code on the approved diagnostic system. If a module is suspected, refer to the warranty policy and procedures manual. |
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