DTC B2781: Steering Lock Control Module Control Circuit

DTC detecting condition:

When any of the following conditions is established.

When the sensor for steering lock position (in steering lock control module) is faulty.
When the steering lock motor driver (in steering lock control module) is short-circuited.
When the steering lock motor driver (in steering lock control module) is open-circuited.

Trouble symptom:

The steering lock cannot be released.
Engine will not start.

CAUTION:

For replacement procedure of steering lock control module, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>General Description>CAUTION .

NOTE: When all ECMs connected to collation system LIN bus cannot communicate with the keyless access control module, DTC B2785 is output. Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2785 LIN COMMUNICATION .

CHECK DTC .
Read the DTC of [Keyless Access with Push Button Start] using the Subaru Select Monitor. Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>Diagnostic Trouble Code (DTC) .

Is DTC B2785 displayed? (Current malfunction)

Yes : Perform the diagnosis of DTC B2785. Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2785 LIN COMMUNICATION .

No : Replace the steering lock control module. Ref. to SECURITY AND LOCKS>STEERING LOCK CONTROL MODULE .