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Kia TSB #TSB_ENG232_R1
2022 Kia Sorento
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ACCELERATION LOGIC IMPROVEMENT (ECU & TCU) (SA490) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to update the software logic of the Engine Control Unit (ECU) and Transmission Control Unit (TCU) on some 2022MY Sorento (MQ4a) vehicles and Telluride (ON) vehicles produced in the date ranges listed below, which may exhibit rough shift and hesitation during acceleration. Follow the procedure outlined in this publication to apply the improved logic to both the 'ENGINE' and 'A/T' systems using the KDS ECU Upgrade function as described in this bulletin.
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