Tests AC: LFC 17/DTC B1879 - Driver Pretensioner Circuit Shorted to Ground

AC1:

AC2:

AC3 - AC4:

AC5:

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 Test 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 30S-JA33 (RD/BU).
^ a short to ground on circuit 31S-JA33 (BK/BU).
^ a short to ground on the driver belt pretensioner.
^ an RCM internal concern.