Normal Operation
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
The restraints control module (RCM) monitors the passenger safety belt buckle switch circuits for faults. If the RCM detects a short to ground fault, it will store DTC B2438 in memory and send a message to the instrument cluster (IC) module to illuminate the air bag warning indicator.
- DTC B2438 Passengers Seat Belt Buckle Switch Short to Ground - If the RCM detects a short to ground on the passenger safety belt buckle circuit, it will set this DTC.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Passenger safety belt buckle assembly
- RCM