Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Trouble Code Chart
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 information.
HINT:
The steering lock ECU does not store DTCs regarding the past problems.
| DTC Code | Detection Item | Trouble Area | Refer to |
|---|---|---|---|
| B2781 | Open / Short in Steering Lock ECU | Steering lock actuator assembly (Steering lock ECU) | Refer to DTC B2781: Open / Short in 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 |
Refer to DTC B2782: Power Source Control ECU Malfunction |
| B2788 | IG2 Signal Malfunction | 1. IG2 relay 2. Wire harness 3. Power source control ECU 4. Steering lock actuator assembly (Steering lock ECU) |
Refer to DTC B2788: IG2 Signal Malfunction |
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.