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.

Steering lock system

DTC DETECTION ITEM CHART

DTC Code	Detection Item	Trouble Area
B2781	Open / Short in Steering Lock ECU	Steering lock actuator assembly (steering lock ECU) Certification ECU Harness or connector of LIN bus line
B2782	Power Source Control ECU Malfunction	Steering lock actuator assembly (steering lock ECU) Main body ECU Wire harness or connector
B2788	IG2 Signal Malfunction	Steering lock actuator assembly (steering lock ECU) Ignition relay No 2 (IG2) Main body ECU Wire harness or connector