Tests AY: DTC B2438 - Passengers Seat Belt Buckle Switch Circuit Short to Ground Fault
PINPOINT TEST AY: DTC B2438 - PASSENGERS SEAT BELT BUCKLE SWITCH CIRCUIT SHORT TO GROUND FAULTAY1-AY3:
AY3-AY6:
Normal Operation
The restraints control module (RCM) checks the passenger safety belt buckle switch circuits for faults. If the RCM detects a short to ground fault, it will store diagnostic trouble code (DTC) B2438 in memory and illuminate the air bag indicator.
Possible Causes
A passenger safety belt buckle switch circuit fault can be caused by:
- damaged wiring, terminals or connectors.
- a faulty passenger safety belt buckle switch.
- a faulted RCM.