Hard Starting

DTC P0116 and / or Hard Starting in Cold Weather on Vehicles Equipped with Block Heater Accessory – 2015-2019 Subaru Legacy & Outback 2015-2020 WRX STI

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NHTSA ID Number: 10188163 Manufacturer Communication Number: 11-201-21 Summary This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized.   NUMBER: 11-201-21 DATE: 02/04/21 APPLICABILITY: 2015-19MY Legacy and Outback 3.6L Models … Read more

Reprogramming File Availability for Hard Starting in Sub-Freezing Temperatures, DTC P0400 and Surging in High Altitudes – 2015-2020 Subaru

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NHTSA ID Number: 10188216 Manufacturer Communication Number: 11-200-20R Summary This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).     NUMBER: 11-200-20R DATE: 02/13/20 REVISED: 02/03/21 APPLICABILITY: 2015-20MY Legacy and Outback 2017-20MY Impreza 2018-20MY Crosstrek 2019-20MY Crosstrek Hybrid (PHEV) 2019-20MY Forester SUBJECT: Reprogramming File Availability for Hard Starting in Sub-Freezing Temperatures, … Read more