Electric Steering Lock Diagnostic Trouble Code Chart

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Steering Column. Lexus Gs430, Gs300. Uzs190 Grs190

Electric Steering Lock -- Diagnostic Trouble Code Chart


If trouble code is displayed during the DTC check, check the parts listed for that code in the table below and proceed to the appropriate page.
HINT:
The steering lock ECU does not store DTCs regarding the past problems.

ELECTRIC STEERING LOCK:
DTC No.
Detection Item
Trouble Area
See page
B2781
Open / Short in Steering Lock ECU
1. Steering lock actuator assembly (Steering lock ECU)
Click here
B2782
Power ECU Malfunction
1. Wire harness
2. Steering lock actuator assembly (Steering lock ECU)
3. Power source control ECU assembly
Click here
B2788
IG2 Signal Malfunction
1. IG2 relay
2. Wire harness
3. Power source control ECU assembly
4. Steering lock actuator assembly (Steering lock ECU)
Click here