B0270
Passenger Door Lock Switch Circuit
Passenger Door Lock Switch Circuit: an electrical fault is present in the circuit. This affects central locking operated from this switch.
Passenger Door Lock Switch Circuit: an electrical fault is present in the circuit. This affects central locking operated from this switch.
Common causes
- high
Lock switch failed
One of the most commonly reported causes for this code — check this first.
Typical part cost: $60-390
- medium
Door harness broken in hinge area
A plausible cause — test and verify before replacing parts.
Typical part cost: $60-390
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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 B0270 mean?
B0270 means "Passenger Door Lock Switch Circuit". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0270?
lock switch failed; door harness broken in hinge area — 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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