B112A
Ignition On Relay 'B' Circuit Short To Battery
B112A is an OBD-II diagnostic trouble code meaning: Ignition On Relay 'B' Circuit Short To Battery. Common causes: wiring harness damage, ignition relay 'b' faulty. Estimated repair cost: $56–167.
Symptoms
- Engine won't start
- Problems starting the engine
- Check Engine Light Is On
- Unstable engine operation
Causes
- Wiring harness damage
- Ignition relay 'B' faulty
- Short circuit in the circuit
- Problems with the ECU
How to Fix
- Check the condition of the wiring harness for damage
- Check ignition relay 'B' for operation.
- Check circuit for short circuit
- Replace faulty components
- Reset the error and check if it returns
Related codes
FAQ
What does the B112A code mean?
B112A is an OBD-II diagnostic trouble code that indicates: Ignition On Relay 'B' Circuit Short To Battery
What causes a B112A error code?
The most common causes of B112A include: Wiring harness damage; Ignition relay 'B' faulty; Short circuit in the circuit; Problems with the ECU.
How do I fix a B112A diagnostic trouble code?
To fix B112A: Check the condition of the wiring harness for damage. Check ignition relay 'B' for operation.. Check circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B112A?
Limited driving only, diagnose soon
How much does it cost to fix B112A?
The estimated repair cost for B112A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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