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

WARNING: This page is about a different car, the 2011 Toyota Corolla. 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. The steering lock ECU diagnosis information cannot be read directly from the steering lock ECU by the Techstream. The diagnosis information from the steering lock ECU is transmitted to the Techstream via the certification ECU to the Techstream 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)