Test R: DTC B1879 - Seat Belt Driver Pretensioner Circuit Short to Ground Fault

PINPOINT TEST R: DTC B1879 - SEAT BELT DRIVER PRETENSIONER CIRCUIT SHORT TO GROUND FAULT

R1-R3:

R3-R5:

R6:

Normal Operation
The restraints control module (RCM) checks all of the safety belt pretensioners for faults. If the RCM detects a short to ground on a driver safety belt pretensioner circuit, it will store diagnostic trouble code (DTC) B1879 in memory and illuminate the air bag indicator.

Fault Conditions
The RCM monitors for the following fault condition:
- Circuit short to ground

Possible Causes
A driver safety belt pretensioner short to ground fault can be caused by:
- damaged wiring, terminals or connectors.
- a faulted pretensioner.
- a faulted RCM.