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Tests AD: DTC B1938 - Air Bag Passenger Circuit Short to Ground Fault

PINPOINT TEST AD: DTC B1938 - AIR BAG PASSENGER CIRCUIT SHORT TO GROUND FAULT


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Normal Operation
The restraints control module (RCM) checks all of the passenger air bag circuits for faults. If the RCM detects a short to ground on any of the passenger air bag module squib 1 circuits, it will store diagnostic trouble code (DTC) B1938 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 passenger air bag module squib 1 circuit short to ground fault can be caused by:
- damaged wiring, terminals or connectors.
- a faulty passenger air bag module.
- a faulted RCM.