Extended Cranking and DTC P1604- Reprogramming File Availability – 2019-2020 Subaru Ascent
NHTSA ID Number: 10166949 Manufacturer Communication Number: 11-192-19 Summary This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address isolated concerns of an extended cranking (hard starting) condition. They will also address a DTC P1604 which may be stored in the ECM memory without illuminating the Check Engine …