B1C12
Driver Active Headrest Control Circuit Low
B1C12 is an OBD-II diagnostic trouble code meaning: Driver Active Headrest Control Circuit Low. Common causes: open or shorted wiring harness, faulty headrest solenoid valve. Estimated repair cost: $56–167.
Symptoms
- No reaction from the active head restraint during test operation
- Airbag light comes on
- Security error message
Causes
- Open or shorted wiring harness
- Faulty headrest solenoid valve
- Problems with power or grounding of the circuit
- Malfunction of the head restraint control module (as part of the SRS unit)
- Damage to the headrest squib
How to Fix
- Check the integrity of the wiring harness to the headrest
- Check circuit voltage and grounding
- Test solenoid valve resistance
- Read SRS Extended Trouble Codes
- If necessary, replace faulty components
Related codes
FAQ
What does the B1C12 code mean?
B1C12 is an OBD-II diagnostic trouble code that indicates: Driver Active Headrest Control Circuit Low
What causes a B1C12 error code?
The most common causes of B1C12 include: Open or shorted wiring harness; Faulty headrest solenoid valve; Problems with power or grounding of the circuit; Malfunction of the head restraint control module (as part of the SRS unit).
How do I fix a B1C12 diagnostic trouble code?
To fix B1C12: Check the integrity of the wiring harness to the headrest. Check circuit voltage and grounding. Test solenoid valve resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1C12?
Limited driving only, diagnose soon
How much does it cost to fix B1C12?
The estimated repair cost for B1C12 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat