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Home >> Lexus >> 2013 >> IS 250C Base >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Steering Lock System (Diagnostic Codes & Circuit Tests) >> Steering Lock System >> DTC B2781: Open / Short in Steering Lock ECU >> Description

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 BEAN.

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