Hesitation

Lack of Power / Hesitation During Acceleration – 2017-2021 Subaru Impreza & 2018-2021 Crosstrek 2.0L MT

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2021 Subaru Impreza

NHTSA ID Number: 10201030 Manufacturer Communication Number: 09-77-21R Summary This bulletin announces the availability of ECM reprograming files to correct a possible limited power and/or hesitation during acceleration at engine speeds of 1500-3500 rpm.   NUMBER: 09-77-21R DATE: 07/28/21 REVISED: 08/19/21 INTRODUCTION: This bulletin announces the availability of ECM reprograming files to correct a possible lack of … Read more

DTC U0122 and Hesitation at Highway Speeds- ECM Reprogramming File Availability – 2019 Subaru Ascent

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2019 Subaru Ascent

NHTSA ID Number: 10160487 Manufacturer Communication Number: 11-190-19R Summary This bulletin announces availability of ECM reprogramming files to optimize the ECM. This bulletin announces availability of ECM reprogramming files to optimize the ECM. The new files contain logic which will revise: (1) the ECM detection of DTC U0122; (2) the EGR flow rate to address a limited … Read more