FixVault

Circuit Description

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

See page DTC P0571/52 Brake Switch "A" Circuit 

DTC CONDITION DETECTION CHART

DTC No. Detection Item Trouble Area
54
  • Stop light switch input signal abnormal.
  • Cruise control switch input signal
  • ECM