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Hyundai TSB #19-FL-003H
2018 Hyundai Sonata Plug-in Hybrid
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This bulletin provides the procedure to write the Vehicle Identification Number (VIN) during the replacement of the Engine Control Module (ECM) or Powertrain Control Module (PCM). Once the VIN has been programmed to the ECM/PCM, it cannot be removed or overwritten.
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