Test F
PINPOINT TEST F: LFC 17/DTC B1878 - DRIVER PRETENSIONER CIRCUIT SHORTED TO BATTERY OR IGNITIONTest F1-F3:
Test F3-F4:
Test F5:
Normal Operation
The restraints control module (RCM) monitors the circuit to the driver safety belt pretensioner. When the RCM detects a circuit short to battery or ignition it will set lamp fault code (LFC) 17 and diagnostic test code (DTC) B1878.
Possible Causes
A short to battery or ignition on the driver safety belt pretensioner circuit can be caused by:
- a short to battery or ignition on circuit 1079 (LG/RD).
- a short to battery or ignition on circuit 1080 (LG/BK).
- a short to battery or ignition on the driver belt pretensioner.
- an RCM internal concern.