This bulletin provides the service procedure to update the Transmission Control Unit (TCU) software for...
Hyundai technical service bulletin 21-01-017H for 2021 Hyundai Elantra.
- Bulletin number
- 21-01-017H
- Component
- Power train
- Summary
- This bulletin provides the service procedure to update the Transmission Control Unit (TCU) software for certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT). This update to the damper clutch logic is to address a potential engine stall condition immediately following Forward Collision Avoidance (FCA) activation under specific operating conditions at low engine RPM and low vehicle speeds. In the event a low-speed stall does occur, the engine can immediately be restarted.
Owners of these vehicles have filed 7 complaints in the transmission category.
Vehicles covered
- Hyundai Elantra 2021 2021
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