Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the B1B53 Chrysler code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
This Diagnostic Trouble Code (DTC) sets when the Occupant Restraint Controller (ORC) detects the Driver Seat Belt Switch Sense circuit is shorted to ground or the seat belt switch and seat belt ground circuits become shorted together for more than 2.5 seconds. This DTC transitions from active to stored when the module sees a recovery from the shorted together condition for greater than five seconds.
When powered, the Occupant Restraint Controller (ORC) sends a test current across the Driver Seat Belt Buckle Switch circuits every 100 ms to verify the integrity of the switch and wiring. The DTC will set if the circuits are shorted together for 2.5 seconds and the code will transitions from active to stored when the current returns to normal range for five seconds. The front seat belt switches cannot be adjusted or repaired and, if ineffective or damaged, the entire front seat belt buckle-half unit must be replaced. The airbag warning lamp will display in the instrument cluster for this fault. The ORC monitors the status of the seat belt switch circuits at power up and every 100 ms thereafter while the ignition is in on.
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