HYUNDAI
20-01-008H
Manufacturer communications
- Publication date
- 2020-02-13
- Received by NHTSA
- 2020-03-07
- NHTSA record numbers
- 10172215
Manufacturer summary
Original wording in English
This bulletin provides information related to the Engine Control Module (ECM) software update for 2018 - 2019MY Elantra (AD/ADA) vehicles equipped with 2.0L engine. This software update includes cylinder imbalance learning logic optimization for Malfunction Indicator Light illumination with DTC P0300/P0301/P0302/P0303/P0304 (Cylinder “X” – misfire detected).
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Hyundai
P0304Cylinder “X” – misfire detectedCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.