TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
TSB: SERVICE ACTION: ECU LOGIC IMPROVEMENT FOR DTC P030X (SA285) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) on some 2017MY Forte (YDm) vehicles equipped with 2.0L MPI engine, produced from May 30, 2016 to February 22, 2017, which may experience a malfunction indicator lamp illumination with DTC P0300, P0301, P0302, P0303, or P0304. To correct this concern, apply the improved logic to the ECU using the KDS download as described in this bulletin. For confirmation that the latest reflash has been applied to a vehicle you are working on, verify the ROM ID using the table on page 2 of this bulletin. Before conducting the procedure, verify that the vehicle is included in the list of affected VINs.

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Date Published
APR 11, 2017
NHTSA TSB #
10109839
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