Pinpoint Test 11: DTC B2438 - Passenger Seat Belt Buckle Switch Short to Ground

PINPOINT TEST 11: DTC B2438 - PASSENGER SEAT BELT BUCKLE SWITCH SHORT TO GROUND

Step 1:

Step 2-Step 3:

Step 4-Step 6:

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.
- RCM is faulted.

NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough Inspection and Verification before proceeding with the Pinpoint Test.