Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to table below.

Cruise control system

DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Detection Item	Trouble Area
C1A50	Brake System	Electronically controlled brake system CAN communication system Hybrid vehicle control ECU
P0571	Stop Light Switch Circuit Malfunction	Stop light switch Stop light switch circuit Hybrid vehicle control ECU
P0607	Input Signal Circuit Malfunction	Hybrid vehicle control ECU
U0122	Lost Communication with Vehicle Dynamics Control Module	Skid control ECU CAN communication system Hybrid vehicle control ECU