DTC B1577 IMM Control Module EEPROM: DTC Detecting Condition
WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
- Defective body integrated unit (except for C0 and C5 models) or immobilizer control module (C0 and C5 models)
- Failed to access ROM in the body integrated unit (except for C0 and C5 models) or the immobilizer control module (C0 and C5 models)