Operation CHARM: Car repair manuals for everyone.

Tests AM: DTC B2229 - Air Bag Passenger Circuit Short to Ground Loop # 2 Fault

PINPOINT TEST AM: DTC B2229 - AIR BAG PASSENGER CIRCUIT SHORT TO GROUND LOOP #2 FAULT


AM1-AM2:






AM2-AM4:






AM5-AM6:






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 2 circuits, it will store diagnostic trouble code (DTC) B2229 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 2 circuit short to ground fault can be caused by:
- damaged wiring, terminals or connectors.
- a faulty passenger air bag module.
- a faulted RCM.