B1656
Seat Belt Buckle Switch Left Circuit Malfunction
B1656 is an OBD-II diagnostic trouble code meaning: Seat Belt Buckle Switch Left Circuit Malfunction . Common causes: open or short circuit in wiring harness, faulty seat belt buckle sensor. Estimated repair cost: $22–89.
Symptoms
- Airbag light is on
- SRS does not detect seat belt condition
- False alarms of the security system
Causes
- Open or short circuit in wiring harness
- Faulty seat belt buckle sensor
- Problems with contacts in connectors
- SRS module malfunction
How to Fix
- Check the integrity of the wiring harness to the sensor
- Inspect connectors for oxidation or damage
- Check the sensor resistance with a multimeter
- If necessary, replace the seat belt buckle sensor
- Reset the error and check the system
Related codes
FAQ
What does the B1656 code mean?
B1656 is an OBD-II diagnostic trouble code that indicates: Seat Belt Buckle Switch Left Circuit Malfunction
What causes a B1656 error code?
The most common causes of B1656 include: Open or short circuit in wiring harness; Faulty seat belt buckle sensor; Problems with contacts in connectors; SRS module malfunction.
How do I fix a B1656 diagnostic trouble code?
To fix B1656: Check the integrity of the wiring harness to the sensor. Inspect connectors for oxidation or damage. Check the sensor resistance with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1656?
Do not drive — repair immediately
How much does it cost to fix B1656?
The estimated repair cost for B1656 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
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