DTC B1577: IMM Control Module EEPROM: DTC Detecting Condition
WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
- Body integrated unit malfunctioning
- Failed to access ROM inside the body integrated unit.
CAUTION:
When the body integrated unit is replaced, registration of the immobilizer system is required. For details, refer to the
"REGISTRATION MANUAL FOR IMMOBILIZER".
DTC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 PERFORM ECM REGISTRATION. Perform ECM registration. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER". |
Is registration complete? | Finish the diagnosis. | Go to step 2 . |
| 2 PERFORM ECM REGISTRATION. Perform ECM registration. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER". |
Is registration complete? | Finish the diagnosis. | Go to step 3 . |
| 3 PERFORM ECM REGISTRATION. Perform ECM registration. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER". |
Is registration complete? | Finish the diagnosis. | Replace the body integrated unit. < Ref. to BODY INTEGRATED UNIT . > |