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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Steering Column) >> Steering Lock System >> DTC B2781: Open / Short in Steering Lock ECU >> Description

DTC B2781: Open / Short in Steering Lock ECU: Description

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 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 DETECTING CONDITION AND TROUBLE AREA

DTC No. DTC Detecting 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)