Toyota Tundra Service Manual > Vehicle Stability Control System: Open in Stop Light Switch Circuit (C1249)
DESCRIPTION The skid control ECU (brake actuator assembly) receives stop light switch signals and uses them to determine whether or not the brakes are applied. DTC No. Detection Item DTC Detection Condition Trouble Area C1249 Open in Stop Light Switch Circuit Vehicle driven at 20 km/h (12 mph) or mo ...