Suspension DTCS
REAR AIR SUSPENSION (RAS) CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1317 | Battery Voltage High | RAS Module | Go To PINPOINT TEST C: DTC B1317/B1318 - BATTERY VOLTAGE HIGH/LOW . |
| B1318 | Battery Voltage Low | RAS Module | Go To PINPOINT TEST C: DTC B1317/B1318 - BATTERY VOLTAGE HIGH/LOW . |
| B1342 | ECU Is Defective | RAS Module | INSTALL a new rear air suspension control module. REFER to Air Suspension Control Module . TEST the system for normal operation. |
| B1566 | Door Ajar Circuit Short To Ground | RAS Module | Go To PINPOINT TEST D: DTC B1566 - DOOR AJAR CIRCUIT SHORT TO GROUND/DID NOT DETECT OPEN AND CLOSE DOOR SIGNALS . |
| C1724 | Air Suspension Height Sensor Power Circuit Failure | Rear Air Suspension Control Module | Go To PINPOINT TEST E: DTC C1724 - AIR SUSPENSION HEIGHT SENSOR POWER CIRCUIT FAILURE . |
| C1726 | Air Suspension Rear Pneumatic Failure | RAS Module | Go To PINPOINT TEST F: DTC C1726 - AIR SUSPENSION PNEUMATIC FAILURE . |
| C1760 | Air Suspension Rear Height Sensor High Signal Circuit Failure | RAS Module | Go To PINPOINT TEST G: DTC C1760 - AIR SUSPENSION REAR HEIGHT SENSOR HIGH SIGNAL CIRCUIT FAILURE . |
| C1770 | Air Suspension Vent Solenoid Output Circuit Failure | RAS Control Module | Go To PINPOINT TEST H: DTC C1770 - AIR SUSPENSION VENT SOLENOID OUTPUT CIRCUIT FAILURE . |
| C1790 | Air Suspension LR Air Spring Solenoid Output Circuit Failure | RAS Module | Go To PINPOINT TEST I: DTCS C1790/C1795 - LR/RR AIR SUSPENSION AIR SPRING SOLENOID OUTPUT CIRCUIT FAILURE . |
| C1795 | Air Suspension RR Air Spring Solenoid Output Circuit Failure | RAS Module | Go To PINPOINT TEST I: DTCS C1790/C1795 - LR/RR AIR SUSPENSION AIR SPRING SOLENOID OUTPUT CIRCUIT FAILURE . |
| C1830 | Air Suspension Compressor Relay Circuit Failure | RAS Module | Go To PINPOINT TEST J: DTC C1830 - AIR COMPRESSOR RELAY CIRCUIT FAILURE . |
| C1840 | Air Suspension Disable Switch Circuit Failure | RAS Module | Go To PINPOINT TEST K: DTC C1840 - AIR SUSPENSION SWITCH CIRCUIT FAILURE . |
| C1897 | Steering VAPS Circuit Loop Failure | RAS Module | REFER to STEERING SYSTEM-GENERAL INFORMATION . |
| C1964 | Air Suspension Air Compressor Request Exceeded Maximum Timing | RAS Module | DTC code C1964 indicates that the air compressor has overheated and is unable to enter the self-test. Allow the air compressor to cool down for approximately five minutes. CLEAR the DTC. REPEAT the self-test. |
| U1026 | SCP Invalid or Missing Data for Engine RPM | PCM | CARRY OUT the PCM Self-Test. |