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Hyundai TSB #20-01-047H
2020 Hyundai Elantra
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- Certain 20MY Elantra (AD/ADa) vehicles may experience an illuminated check engine warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the Transmission Control Unit (TCU) update, and, if necessary, replace the IVT (Intelligent Variable Transmission) to resolve this condition.
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