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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 90 (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

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If the steering lock ECU determines that there is a malfunction inside the ECU, it outputs this DTC. The steering lock ECU diagnosis information cannot be read directly from the steering lock ECU by the tester. The diagnosis information from the steering lock ECU is transmitted to the tester via the certification ECU (smart key ECU assembly) using the Controller Area Network (CAN).

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)