Dtc B2781 Open / Short In Steering Lock Ecu

Lexus IS250 IS220d GSE20 ALE20 - STEERING COLUMN

DESCRIPTION

INSPECTION PROCEDURE

REPLACE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)

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 intelligent tester is performed via the certification ECU as the steering lock ECU is not connected to the BEAN.

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

INSPECTION PROCEDURE

1.REPLACE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)
  • HINT:
  • The steering lock ECU and steering lock actuator assembly are supplied as a unit.

Replace the steering lock actuator assembly ( for Manual Tilt & Telescopic Steering, for Power Tilt & Telescopic Steering).

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