C1223
Lamp Brake Warning Output Circuit Failure
C1223 is an OBD-II diagnostic trouble code meaning: Lamp Brake Warning Output Circuit Failure. Common causes: open or short circuit in the circuit, lamp failure. Estimated repair cost: $56–167.
Symptoms
- Brake warning light is on
- Brake light doesn't work
- The appearance of other errors related to the brake system
Causes
- Open or short circuit in the circuit
- Lamp failure
- Relay problems
- Control module malfunction
How to Fix
- Check the continuity of the brake warning lamp circuit
- Check lamp performance
- Check relays and fuses
- Diagnose the control module
Related codes
FAQ
What does the C1223 code mean?
C1223 is an OBD-II diagnostic trouble code that indicates: Lamp Brake Warning Output Circuit Failure
What causes a C1223 error code?
The most common causes of C1223 include: Open or short circuit in the circuit; Lamp failure; Relay problems; Control module malfunction.
How do I fix a C1223 diagnostic trouble code?
To fix C1223: Check the continuity of the brake warning lamp circuit. Check lamp performance. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1223?
Limited driving only, diagnose soon
How much does it cost to fix C1223?
The estimated repair cost for C1223 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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