C1249 The stop light switch circuit is open
What does C1249 mean on a Toyota?
C1249. The stop light switch circuit is open. ABS and traction control may be disabled and the warning light comes on.. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of C1249
- Faulty stop light switch
- Open or shorted stop light switch harness
- Poor electrical connection at the switch
- Faulty ABS and traction actuator
How to fix C1249
- Confirm the code with a scan tool
- Check the switch adjustment and operation
- Inspect the switch connector and wiring
- Test the switch circuit for opens and shorts
- Replace the switch only after the circuit tests fail
- Clear the code and retest