DTC P1401 Lexus
Brake Pedal Switch - Signal Compare Failure
Brake Pedal Switch - Signal Compare Failure
Description
When the Powertrain Control Module (PCM) is sending Signal not available or is not performing the signal Parity or Toggle correctly for the Brake Switch Status signal the ABS module sets this DTC.
Cause and Solution
STOP LAMP SWITCH INSTALLATION(B15) BRAKE SIGNAL 1 CIRCUIT SHORT TO GROUND(B15) BRAKE SIGNAL 1 CIRCUIT OPEN OR HIGH RESISTANCE(B16) BRAKE SIGNAL 2 CIRCUIT SHORT TO VOLTAGE(B16) BRAKE SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE(F941) FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN OR HIGH RESISTANCE(Z908) GROUND CIRCUIT OPENSTOP LAMP SWITCHPOWERTRAIN CONTROL MODULE (PCM)
Video Guide
Diagnostic Info
- DTC Code: P1401
- Brand: Lexus