TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Kia for this TSB. Call your local Kia dealer's service department & ask for a copy of TSB# TSBCHA067.

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary

TSB: ECU UPGRADE – MIL ON WITH DTC C1356 - THIS BULLETIN PROVIDES INFORMATION RELATED TO AN IBAU (INTEGRATED BRAKE ACTUATION UNIT) SOFTWARE UPGRADE FOR SOME 2014~2016MY OPTIMA HYBRID (TF HEV) VEHICLES, PRODUCED FROM DECEMBER 2, 2013 THROUGH JULY 22, 2015, WHICH MAY EXHIBIT A MALFUNCTION INDICATOR LIGHT (MIL) ON WITH DTC C1356 AND NO DRIVABILITY CONCERNS. TO RESOLVE THE CONCERN, REPROGRAM THE IBAU USING THE GDS/KDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN. FOR CONFIRMATION THAT THE LATEST REFLASH HAS BEEN PERFORMED, VERIFY ROM ID USING THE TABLES IN THIS TSB.

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