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.
| Step | Check | Yes | No |
|---|---|---|---|
1 PERFORM SECURITY CONTROL MODULE REGISTRATION.
|
Is DTC B1406 displayed? | Replace the security control module. <Ref. to Security Control Module .> | Finish the diagnosis. |