Certain Elantra (ADA) vehicles may have been incorrectly updated with Cylinder Noise Detection System...
Hyundai technical service bulletin 26-01-039H TSB for 2019-2020 Hyundai Elantra.
- Bulletin number
- 26-01-039H TSB (9D3)
- Component
- Electrical system
- Summary
- Certain Elantra (ADA) vehicles may have been incorrectly updated with Cylinder Noise Detection System (CNDS) software that can set DTC P132700; this software was intended only for Korean-built Elantra (AD) vehicles. This bulletin provides instructions to perform a software update for the Engine Control Module (ECM) to revert to the original ROM ID, apply the emissions label under the hood, and provide the vehicle owner with Proof of Correction.
Owners of these vehicles have filed 64 complaints in the electrical category.
Vehicles covered
- Hyundai Elantra 2019-2020 20192020
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