B0085
Passenger Belt Buckle Switch Circuit
The SRS module has detected a fault in the passenger belt buckle switch circuit. Same fault profile as B0084 but for the passenger side.
The SRS module has detected a fault in the passenger belt buckle switch circuit. Same fault profile as B0084 but for the passenger side.
Common causes
- high
Buckle switch failed
One of the most commonly reported causes for this code — check this first.
Typical part cost: $110-660
- medium
Wiring under seat open
A plausible cause — test and verify before replacing parts.
Typical part cost: $110-660
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does B0085 mean?
B0085 means "Passenger Belt Buckle Switch Circuit". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0085?
buckle switch failed; wiring under seat open — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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