DTC B2781 Steering Lock Cm Control Circuit: Trouble symptom

• The steering lock cannot be released.
• Engine will not start.
  CAUTION: For replacement procedure of steering lock CM, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume. Contact an authorized Subaru Dealership.

NOTE: When all ECMs connected to collation system LIN bus cannot communicate with the keyless access CM, DTC B2785 is output.

Fig 1: Steering Lock CM Control Circuit Diagnostics Flowchart

Courtesy of SUBARU OF AMERICA, INC.