Service bulletin 20-01-008H
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10172215 |
| Published by NHTSA | 2020-03-07 |
| Manufacturer's number | 20-01-008H |
| Manufacturer's date | 2020-02-13 |
| NHTSA component | ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE |
NHTSA's summary
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).
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Engine, Software
Trouble codes named
P0300, P0301, P0302, P0303, P0304
| HYUNDAI ELANTRA | 2018, 2019 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 22-01-043H | 2022-06-10. Service bulletin. Hyundai is conducting a service campaign to enhance the knock sensor logic with the Cylinder Noise Diagnostic System (CNDS) software update. CNDS is to detect abnormal cylinder wall scuffing or noise of the engine block before potentially severe engine damage occurs. If abnormal noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously. In addition, DTC P1327 will be recorded in the ECM. |
|---|---|
| DBP972 | 2022-01-08. Service bulletin. When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) may not be available. This TSB# 21-01-080H describes the 3-part software to correct this condition and activate Blue Link Services. |
| 20-FL-007H | 2020-08-07. Service bulletin. This bulletin provides information related to an ECM (Engine Control Module) software update for DTC P0128: Coolant Thermostat (Coolant Temp below Thermostat Regulating Temperature) logic revision. There are no drivability symptoms associated with DTC P0128. |
| Campaign T3W Dea | 2020-03-07. Service bulletin. Hyundai is conducting a Service Campaign related to an Electronic Control Module (ECM) software update to include cylinder imbalance learning logic optimization for Malfunction Indicator Light illumination. |