DTC B1406 SCU_EEPROM
DTC detecting condition:
- Defective security control module
- ROM of security control module cannot be accessed
CAUTION:
When the security control module is replaced, registration of the immobilizer system is required. For details, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume. Contact an Authorized Subaru Dealership.
- PERFORM SECURITY CONTROL MODULE REGISTRATION
.
- Perform security control module registration. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume. Contact an Authorized Subaru Dealership.
- Perform the Clear Memory Mode. Ref. to IMMOBILIZER (DIAGNOSTICS)>Clear Memory Mode
- Read the DTC of the body integrated unit. Ref. to IMMOBILIZER (DIAGNOSTICS)>Read Diagnostic Trouble Code (DTC)
Is DTC B1406 displayed?
Yes: Replace the security control module. Ref. to SECURITY AND LOCKS>Security Control Module
No: Finish the diagnosis.