B1B57
1st Row Passenger Seat Belt Sensor Circuit Shorted Together
B1B57 is an OBD-II diagnostic trouble code meaning: 1st Row Passenger Seat Belt Sensor Circuit Shorted Together. Common causes: damaged belt sensor wiring harness, short circuit in the sensor circuit. Estimated repair cost: $33–111.
Symptoms
- SRS/Airbag light is on
- Display message indicating seat belt fault
- Passive safety features can be deactivated
Causes
- Damaged belt sensor wiring harness
- Short circuit in the sensor circuit
- Malfunction of the sensor itself
- Corrosion or oxidation of contacts
How to Fix
- Visual inspection of the sensor wiring harness and connectors
- Checking the sensor resistance using a multimeter
- Replacing a faulty seat belt sensor if necessary
- Checking the repair area using an OBD-II scanner
Related codes
FAQ
What does the B1B57 code mean?
B1B57 is an OBD-II diagnostic trouble code that indicates: 1st Row Passenger Seat Belt Sensor Circuit Shorted Together
What causes a B1B57 error code?
The most common causes of B1B57 include: Damaged belt sensor wiring harness; Short circuit in the sensor circuit; Malfunction of the sensor itself; Corrosion or oxidation of contacts.
How do I fix a B1B57 diagnostic trouble code?
To fix B1B57: Visual inspection of the sensor wiring harness and connectors. Checking the sensor resistance using a multimeter. Replacing a faulty seat belt sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1B57?
Do not drive — repair immediately
How much does it cost to fix B1B57?
The estimated repair cost for B1B57 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat