FixVault

DTC C1249/49 Open in Stop Light Switch Circuit: Description

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION CHART

DTC Code DTC Detection Condition Trouble Area
C1249/49
  • When IG1 terminal voltage is 9.5 to 17.2 V, an open circuit of the stop light switch continues for 0.3 sec. or more.
  • When the brake pedal load sensing switch is on, the master cylinder pressure is 2 Mpa or more and the deceleration calculated from the vehicle speed is 0.2 G or more, the stop light switch is off for 2 sec. or more.
  • Stop light switch
  • Stop light switch circuit
  • BRK relay (1)
  • BRK relay circuit (1)
(1) with Dynamic Laser Cruise Control System