Subaru TSB #09-77-21

2021 Subaru Impreza

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This bulletin announces the availability of ECM reprograming files to correct a possible lack of power and/or hesitation during acceleration at engine speeds of 1500-3500 rpm.

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Date Published
JUL 28, 2021
NHTSA TSB #
10199964
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