Service bulletins for the 2016 Kia Optima
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
293 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Transmission control module are shown. Show all
| TSBTRA059_R4 | 2018-05-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. TSB - HCU/TCU UPGRADE ? FOR 100MESH SOLENOID - EQUIPPED HYBRID TRANSMISSIONS - This bulletin has been revised to include additional information. This bulletin provides information related to a software upgrade of the Hybrid Control Unit (HCU) and the Transmission Control Unit (TCU) of some 2011-2016MY Optima Hybrid (TF HEV) after replacement of the transmission with improved 100 mesh solenoids has taken place. |
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| TSBENG168 | 2017-08-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. TSB: COMBINATION TSB/SERVICE ACTION: IDLE STABILITY & SHIFT QUALITY IMPROVEMENT (SA294) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) and the Transmission Control Unit (TCU) on some 2016MY Optima (JFa) vehicles, produced from September 3, 2015 through November 22, 2016, which may experience a vibration and/or hesitation when releasing the brake pedal after coming to stop, and/or a shift quality concern, such as a harsh downshift, upshift, and/or shift delay. To correct this concern, apply the improved logic to the ECU and TCU using KDS download as described in this bulletin. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.