Diagnostic Trouble Code Tests and Associated Procedures

NOTE: If rear air suspension control module C251 is disconnected before rear air suspension control module C250, DTCs B1830, C1770, C1790, and C1795 will be retrieved and must be cleared before an accurate list of continuous DTCs can be retrieved. The DTCs C1441 and C1442 will only be retrieved when running the VAPS functional test on the scan tool. The DTC C1897 will only be retrieved once per ignition switch cycle.











Rear Air Suspension Control Module Diagnostic Trouble Code (DTC) Index








Rear Air Suspension Control Module Parameter Identification (PID) Index








Rear Air Suspension Control Module Active Command Index