Operation CHARM: Car repair manuals for everyone.

Test F: DTC C1760 (Rear), C1881 (RF), C1889 (LF) - Air Suspension Height Sensor Signal Circuit Failure

Pinpoint Test F: DTC C1760 (Rear), C1881 (RF), C1889 (LF) - Air Suspension Height Sensor Signal Circuit Failure
Normal Operation
The 2 front height sensors receive a 5-volt reference voltage from the vehicle dynamic module (VDM) along circuit 426 (RD/BK) and ground along circuit 432 (BK/PK). The rear height sensor receives a 5-volt reference voltage from the VDM along circuit 429 (VT/LG) and ground along circuit 432 (BK/PK).

Possible Causes
^ Circuit open
^ Circuit shorted
^ Height sensor(s)
^ VDM

PINPOINT TEST F: DTC C1760 (REAR), C1881 (RF), C1889 (LF) - AIR SUSPENSION HEIGHT SENSOR SIGNAL CIRCUIT FAILURE

F1-F2:




F2-F6:




F7-F8:





CAUTION: The Flex Probe Kit must be used for all test connections. Use of standard multimeter probes may damage wiring terminals.