Vehicle Dynamic Suspension

AIR SUSPENSION MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Source	Perform Test
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.
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 .
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.