1st Row Driver Seat Belt Sensor Circuit High
Table of contents
B1B51 JEEP Possible Causes
- Faulty Driver Seat Belt Buckle Switch
- Driver Seat Belt Buckle Switch harness is open or shorted
- Driver Seat Belt Buckle Switch circuit poor electrical connection
- Faulty Occupant Restraint Controller (ORC)
How do I fix code B1B51 JEEP?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B1B51 JEEP code
The cost of diagnosing the B1B51 JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
SHORT TO VOLTAGE: If the Occupant Restraint Controller (ORC) detects a short to voltage on the Driver Seat Belt Buckle Switch circuits for 2.5 seconds. The active code will change to stored after the ORC verifies the seat belt switch sense circuit voltage has returned to normal voltage range for five seconds. OPEN: If the ORC detects the driver seat belt buckle switch circuits have been open for 2.5 seconds. The active code will change to stored after the ORC verifies the driver seat belt buckle switch sense circuit voltage has returned to normal voltage range for five seconds.
Possible Symptoms
- Air Bag Warning Light ON
B1B51 JEEP Description
When powered, the Occupant Restraint Controller (ORC) sends a test current across the Driver Seat Belt Buckle Switch circuits every 100ms to verify the integrity of the switch and wiring. 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. With the ignition on and the Occupant Restraint Controller (ORC) configured for a Driver Seat Belt Buckle Switch. The ORC monitors the switch input current ranges at power up and continuously every 100ms.