WenmarOpen by Wenmar Pro

Service bulletin 0900214a

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10229899
Published by NHTSA2023-01-17
Manufacturer's number0900214a
Manufacturer's date2014-12-15
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any the following Diagnostic Trouble Codes have been set: P0300- Multiple Cylinder Misfire P0302- Cylinder 2 Misfire P0304- Cylinder 4 Misfire P0306- Cylinder 6 Misfire

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

Engine

Trouble codes named

P0300, P0302, P0304, P0306

Vehicles listed
CHRYSLER 2002011, 2012, 2013
CHRYSLER 3002011, 2012, 2013
DODGE CHARGER2011, 2012, 2013
DODGE GRAND CARAVAN2011, 2012, 2013
DODGE JOURNEY2011, 2012, 2013
JEEP GRAND CHEROKEE2011, 2012, 2013
JEEP WRANGLER2012, 2013

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
15V4310002015-07-07. ENGINE AND ENGINE COOLING:ENGINE
20152972015-07-02. Engine
20133942013-11-07. Engine
13V5520002013-11-06. ENGINE
11V4870002011-09-29. ENGINE AND ENGINE COOLING
20113512011-09-27. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
U67 Combo Rev112026-07-02. Warranty extension. Emissions Recall U67 - Catalytic Converter Efficiency - Dealer Notification (Revision 11)
1036172025-04-01. Service bulletin. STARTER - ENGINE
9003357A2024-01-02. Service bulletin. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
07007232023-07-31. Service bulletin. Water Quality When Mixed With Engine Coolant
18048232023-05-30. Service bulletin. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
9003357a2023-04-17. Service bulletin. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
90033572023-04-17. Service bulletin. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
U672023-01-17. Service bulletin. Some of the above-involved vehicles may exceed NOx (Oxides of Nitrogen) emission level standards due to loss of catalytic converter efficiency
S21090000042023-01-17. Service bulletin. Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
09002142023-01-17. Service bulletin. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension)