TSB
Kia technical service bulletin TSBTRA059_R3 for 2011-2016 Kia Optima Hybrid.
- Bulletin number
- TSBTRA059_R3
- Component
- Power train
- Summary
- 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. To apply the improved logic, the HCU/TCU should be reprogrammed using the KDS download, as described in this bulletin.
Owners of these vehicles have filed 27 complaints in the transmission category.
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