C1294

Circuit Description
The EBCM uses this stoplamp switch circuit for various performance measures within DRP/ABS/TCS/VSES. This DTC is set if the EBCM has determined that the stoplamp switch is continuously ON. TCS cannot be activated when the stoplamp switch is ON

Conditions for Running the DTC
The vehicle speed is greater than 40 km/h (25 mph).

Conditions for Setting the DTC
The stoplamp switch input was active for 2 consecutive ignition cycles.

Action Taken When the DTC Sets
^ The EBCM disables the TCS for the duration of the ignition cycle.
^ The TRACTION CONTROL indicator turns ON.
^ The ABS remains functional.

Conditions for Clearing the DTC
^ The condition for the DTC is no longer present (the DTC is not current) and you used the scan tool Clear DTC function.
^ The condition for the DTC is no longer present (the DTC is not current) and you used the On-Board Diagnostics Clear DTC function.
^ The EBCM automatically clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles.

Diagnostic Aids
Possible causes of this DTC are the following conditions:
^ The stoplamp switch circuit is shorted to voltage.
^ The stoplamp switch is misadjusted.
^ The stoplamp switch is stuck closed.
^ A brake pedal that is binding.

Test Description
The numbers below refer to the step numbers on the diagnostic table.
2. Test for the current state of the brake switch parameter.