B10C2
Left Rear Unlock Pull Switch Signal Stuck High
B10C2 is an OBD-II diagnostic trouble code meaning: Left Rear Unlock Pull Switch Signal Stuck High. Common causes: short circuit in door wiring harness, sticking or mechanical failure of the unlock button. Estimated repair cost: $33–111.
Symptoms
- Unlocking the left rear door from the button inside the car does not work
- Central locking malfunction (possible glitches)
- Flashing central locking indicator
Causes
- Short circuit in door wiring harness
- Sticking or mechanical failure of the unlock button
- Broken or damaged wire from the button to the control unit
- Problems with the door control unit
How to Fix
- Check the unlock button for mechanical damage
- Diagnose the condition of the wiring harness in the door for short circuits
- Check the signal from the button with a scanner or multimeter
- If necessary, replace the button or repair the wiring harness
Related codes
FAQ
What does the B10C2 code mean?
B10C2 is an OBD-II diagnostic trouble code that indicates: Left Rear Unlock Pull Switch Signal Stuck High
What causes a B10C2 error code?
The most common causes of B10C2 include: Short circuit in door wiring harness; Sticking or mechanical failure of the unlock button; Broken or damaged wire from the button to the control unit; Problems with the door control unit.
How do I fix a B10C2 diagnostic trouble code?
To fix B10C2: Check the unlock button for mechanical damage. Diagnose the condition of the wiring harness in the door for short circuits. Check the signal from the button with a scanner or multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B10C2?
Yes, but get it checked soon
How much does it cost to fix B10C2?
The estimated repair cost for B10C2 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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