C1249 (blink 49) on Toyota Corolla E120: Stop Light Switch Circuit
Short answer: C1249 means “Stop Light Switch Circuit”. The car’s computer has found a fault in the ABS with BA & EBD system and turns on the ABS warning. First check: workshop check order (RM821E): INSPECT STOP LIGHT SWITCH OPERATION -> INSPECT SKID CONTROL ECU CONNECTOR (STP TERMINAL VOLTAGE) -> INSPECT HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY − STOP.
- Code
- C1249 · blink 49
- System
- ABS with BA & EBD
- Dashboard light
- ABS warning
- Applies to
- All E120 with ABS (BA & EBD)
- Confidence
- high (official Toyota RM821E)
- Source
- toyotamanuals.gitlab.io
Symptoms and when it is set
- With IG1 terminal voltage at 10V − 16V, ABS not controlling stop light switch circuit is open for 1.0 sec. or longer.
Likely causes
- Stop light switch; Stop light switch circuit
What to check, in order
- Workshop check order (RM821E): INSPECT STOP LIGHT SWITCH OPERATION -> INSPECT SKID CONTROL ECU CONNECTOR (STP TERMINAL VOLTAGE) -> INSPECT HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY − STOP
Related on this car
Same code on other cars
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

