B1B7A
Passenger Seat Weight Sensor 3 Left Front Input Circuit High
B1B7A is an OBD-II diagnostic trouble code meaning: Passenger Seat Weight Sensor 3 Left Front Input Circuit High. Common causes: passenger weight sensor damage, open or shorted wiring harness. Estimated repair cost: $56–167.
Symptoms
- The passive safety system fault indicator is on
- Incorrect deployment of airbags
- Errors in the operation of the passenger identification system
Causes
- Passenger weight sensor damage
- Open or shorted wiring harness
- Restraint control module malfunction
- Corrosion of contacts or connectors
How to Fix
- Diagnose the passenger weight sensor circuit
- Check the integrity of the wiring harness and connectors
- Replace passenger weight sensor if necessary
- Check and, if necessary, replace the passive restraint control module
- Reset the error and check the system
Related codes
FAQ
What does the B1B7A code mean?
B1B7A is an OBD-II diagnostic trouble code that indicates: Passenger Seat Weight Sensor 3 Left Front Input Circuit High
What causes a B1B7A error code?
The most common causes of B1B7A include: Passenger weight sensor damage; Open or shorted wiring harness; Restraint control module malfunction; Corrosion of contacts or connectors.
How do I fix a B1B7A diagnostic trouble code?
To fix B1B7A: Diagnose the passenger weight sensor circuit. Check the integrity of the wiring harness and connectors. Replace passenger weight sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1B7A?
Limited driving only, diagnose soon
How much does it cost to fix B1B7A?
The estimated repair cost for B1B7A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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