Brake Light Warning Output Circuit Failure
Table of contents
C1223 MERCURY Possible Causes
- Faulty Red Brake Warning Light
- Red Brake Warning Light harness is open or shorted
- Red Brake Warning Light circuit poor electrical connection
How do I fix code C1223 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C1223 MERCURY code
The cost of diagnosing the C1223 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1223 MERCURY Description
The Anti-Lock Brake System (ABS) Module monitors the Red Brake Warning Light. The ABS Module sets the OBDII code when the Red Brake Warning Light is not to factory specifications.