Air Suspension Module Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If air suspension module C2131b is disconnected before air suspension module C2131a, DTCs C1830, C1770, C1790 and C1795 will be retrieved and must be cleared before an accurate list of continuous DTCs can be retrieved.
AIR SUSPENSION MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1317 | Battery Voltage High | Air Suspension Module | GO to PINPOINT TEST C . |
| B1318 | Battery Voltage Low | Air Suspension Module | GO to PINPOINT TEST C . |
| B1342 | ECU is Defective | Air Suspension Module | INSTALL a new air suspension module. REFER to AIR SUSPENSION MODULE . TEST the system for normal operation. |
| B1566 | Door Ajar Circuit Fault | Driver Door Module (DDM) | CARRY OUT the DDM Self-Test. |
| B2477 | Module Configuration Failure | Air Suspension Module | REFER to MODULE CONFIGURATION . |
| C1445 | Vehicle Speed Signal Circuit Failure | Powertrain Control Module (PCM) | CARRY OUT the PCM Self-Test. |
| C1724 | Air Suspension Height Sensor Power Circuit Failure | Air Suspension Module | GO to PINPOINT TEST E . |
| C1726 | Air Suspension Rear Pneumatic Failure | Air Suspension Module | GO to PINPOINT TEST F . |
| C1760 | Air Suspension Rear Height Sensor High Signal Circuit Failure | Air Suspension Module | GO to PINPOINT TEST G . |
| C1770 | Air Suspension Vent Solenoid Output Circuit Failure | Air Suspension Module | GO to PINPOINT TEST H . |
| C1790 | Air Suspension LR Air Spring Solenoid Output Circuit Failure | Air Suspension Module | GO to PINPOINT TEST I . |
| C1795 | Air Suspension RR Air Spring Solenoid Output Circuit Failure | Air Suspension Module | GO to PINPOINT TEST I . |
| C1830 | Air Suspension Compressor Relay Circuit Failure | Air Suspension Module | GO to PINPOINT TEST J . |
| C1840 | Air Suspension Disable Switch Circuit Failure | Air Suspension Module | GO to PINPOINT TEST K . |
| C1897 | Steering VAPS Circuit Loop Failure | Air Suspension Module | REFER to STEERING SYSTEM-GENERAL INFORMATION . |
| C1964 | Air Suspension Air Compressor Request Exceeded Maximum Timing | Air Suspension 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 5 minutes. If other DTCs are present, repair as necessary before clearing the DTCs. REFER to the corresponding DTC in this index. CLEAR the DTC. REPEAT the self-test. |
| U1026 | SCP Invalid or Missing Data for Engine RPM | PCM | CARRY OUT the PCM Self-Test. |