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Diagnostic Trouble Code Chart

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

If a trouble code is displayed during the DTC check, check the parts listed for that code in the table below and proceed to the appropriate article

HINT:

The steering lock ECU does not store DTCs regarding the past problems

Steering Lock System 

DTC DETECTION ITEM AND TROUBLE AREA

DTC Code Detection Item Trouble Area
B2781  Open / Short in Steering Lock ECU Steering lock actuator assembly (Steering lock ECU)
B2782  Power Source Control ECU Malfunction
  1. Wire harness
  2. Steering lock actuator assembly (Steering lock ECU)
  3. Power source control ECU
B2788  IG2 Signal Malfunction
  1. IG2 relay
  2. Wire harness
  3. Power source control ECU
  4. Steering lock actuator assembly (Steering lock ECU)