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DTC B2781 Open / Short in Steering Lock ECU: Description

If the steering lock ECU determines that there is a malfunction inside the ECU, it outputs this DTC.

Diagnostic communication between the steering lock ECU and the Techstream is performed via the certification ECU as the steering lock ECU is not connected to the BEAN.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. DTC Detection Condition Trouble Area
B2781 When either condition below is met:
  • Steering lock motor drive circuit is defective.
  • Both lock and unlock position sensors detect "ON".
 Steering lock actuator (Steering lock ECU)
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