DTC U0427 Invalid Data Received From Vehicle Security Control Module: Trouble symptom

Cooperation control of keyless access does not operate properly.

CAUTION: When the keyless access Control Module is replaced, registration of the immobilizer is required. For the relevant procedures, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER"contact an authorized Subaru Dealership.

Fig 1: Invalid Data Received From Vehicle Security Control Module Diagnostics Flowchart

Courtesy of SUBARU OF AMERICA, INC.