P1604

Extended Engine Cranking During Starting DTCs: P1604, P0016, P0017, P0018, P0019, & P0128, P050B, P0088 – 2022 Subaru WRX

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2022 Subaru WRX

NHTSA ID Number: 10231308 Manufacturer Communication Number: 09-95-22R Summary This bulletin announces the availability of new reprograming files for the Engine Control Module (ECM) developed to remedy stored DTCs.   NUMBER: 09-95-22R DATE: 01/23/23 REVISED: 01/30/23 APPLICABILITY: 2022MY WRXeBay SUBJECT: Extended Engine Cranking During Starting DTCs: P1604, P0016, P0017, P0018, P0019, & P0128, P050B, P0088   INTRODUCTION: … Read more

Engine in Fail-Safe Mode / DTCs P0088, P0087, P0021, P0014, P0011, P0024, P1604, P0016, P0017, P0018, P0019, P0128, & P050B – 2022 Subaru WRX

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2022 Subaru WRX

NHTSA ID Number: 10231317 Manufacturer Communication Number: 09-94-22 Summary This bulletin announces the availability of new reprograming files for the Engine Control Module (ECM) developed to remedy the DTCs listed.   NUMBER: 09-94-22 DATE: 01/24/23 APPLICABILITY: 2022MY WRXeBay SUBJECT: Engine in Fail-Safe Mode / DTCs P0088, P0087, P0021, P0014, P0011, P0024, P1604, P0016,P0017, P0018, P0019, P0128, & … Read more

Extended Cranking and DTC P1604- Reprogramming File Availability – 2019-2020 Subaru Ascent

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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 … Read more