Tests AG: LFC 17/DTC B1879 - Driver Pretensioner CKT Shorted to GND

Pinpoint Test AG1:

Pinpoint Test AG2:

Pinpoint Test AG3:

Pinpoint Test AG4-AG5:

Pinpoint Test AG: LFC 17/DTC B1879 - Driver Pretensioner Circuit Shorted to Ground

Normal Operation

The Restraints Control Module (RCM) monitors the circuit to the driver belt pretensioner. When the RCM detects a circuit short to ground it will set Lamp Fault Code (LFC) 17 and Diagnostic Trouble Code (DTC) B1879.

Possible Causes

A short to ground on the driver belt pretensioner circuit can be caused by:
- a short to ground on circuit 1079 (LG/RD).
- a short to ground on circuit 1080 (LG/BK).
- a short to ground on the driver belt pretensioner.
- an RCM internal concern.