Hyundai TSB #5NP-V7Q6D-12
2017 Hyundai Sonata
Affected Component: ELECTRICAL SYSTEM: SOFTWARE
- Hyundai Motor America is conducting a Service Campaign to update both the ECM (Engine Control Module) and the TCM (Transmission Control Module) on dealer stock 2017 Model Year Sonata (1.6L). Service Campaign TWW provides a procedure to update the ECM and TCM.