Steering Wheel Switch Left Module
Table of contents
C2003 MERCURY Possible Causes
- Faulty Clockspring
- Faulty Steering Wheel Switch Left Module
- Steering Wheel Switch Left Module harness is open or shorted
- Steering Wheel Switch Left Module circuit poor electrical connection
- Faulty Instrument Panel Cluster (IPC) Module
How do I fix code C2003 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.
Tech Notes
- C2003:11 Steering Wheel Switch Left Module: Circuit Short To Ground
- C2003:23 Steering Wheel Switch Left Module: Signal Stuck Low
Cost of diagnosing the C2003 MERCURY code
The cost of diagnosing the C2003 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)
C2003 MERCURY Description
The Instrument Panel Cluster (IPC) Module monitors the Steering Wheel Switch Left Module. The IPC Module sets the OBDII code when the Steering Wheel Switch Left Module is not to factory specifications.