# Service bulletin 09\-006\-15 REV A 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: 10159936 - Published by NHTSA: 2019\-05\-20 - Manufacturer's number: 09\-006\-15 REV A - Manufacturer's date: 2015\-11\-13 - NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING ## NHTSA's summary Intermittent Engine Shudder While Driving This bulletin involves replacing the engine cylinder heads. A small number of customers may experience a slight engine shudder while driving. They may state that the condition feels and sounds like driving over rumble strips. It may also be perceived as an internal transmission issue or engine misfire. No Diagnostic Trouble Codes \(DTCs\) will set as a result of this condition. DISCUSSION: The root cause of the engine shudder has been found to be due to excess carbon build\-up on the exhaust valve stems and will typically happen on vehicles driven mostly in light load conditions. As a result, new cylinder heads have been released that are equipped with newly designed valve stem seals. These newly designed seals are designed to help prevent excessive carbon from building up on the valve stems. Although it may be hard to reproduce, engine shudder resulting from these excess carbon deposits, will typically only happen under the following driving conditions: ? Steady speeds between 50 and 70 mph \(80 and 113 kph\). ? Engine speed between 1600 \- 2000 RPM. ? Present during engine warm up to operating temperature after a cold soak. ? Only present for a few seconds at a time and often during a 6\-7 upshift. ? Light load acceleration or while driving up a slight grade. ? Symptom will go away either by aggressively applying the accelerator pedal or going into a zero throttle deceleration. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10159936-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10159936-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Equipment and accessories ## Vehicles listed - 2014 JEEP GRAND CHEROKEE - 2014 RAM 1500 ## Recalls for the same vehicles and component - [2023338](/recalls/tc/2023338.md), 2023-06-08: Engine - [23V411000](/recalls/nhtsa/23V411000.md), 2023-06-08: ENGINE AND ENGINE COOLING - [2020544](/recalls/tc/2020544.md), 2020-11-12: Engine - [20V699000](/recalls/nhtsa/20V699000.md), 2020-11-12: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\) - [2020371](/recalls/tc/2020371.md), 2020-08-13: Engine - [20V475000](/recalls/nhtsa/20V475000.md), 2020-08-13: ENGINE AND ENGINE COOLING:ENGINE:DIESEL - [2019535](/recalls/tc/2019535.md), 2019-10-25: Engine - [19V757000](/recalls/nhtsa/19V757000.md), 2019-10-24: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\) - [2018269](/recalls/tc/2018269.md), 2018-05-17: Engine - [2016214](/recalls/tc/2016214.md), 2016-05-12: Accessories ## Other bulletins for the same vehicles and component - [9100639](/bulletins/11021845.md), 2025-08-13, Service bulletin: ENGINE. Verify Reman part number availability. Order the "R" part number for all orders: Warranty, Mopar, customer pay and service contract. Order "68" part number for New unsold units only. - [S2505000001](/bulletins/11014973.md), 2025-03-05, Service bulletin: ENGINE. CEL \(Check Engine Lamp\) C006A\-49 Multi\-Axis Acceleration Sensor Internal Electronic Failure And C10CC\-00 ESC Sensors. - [0902323](/bulletins/10248951.md), 2024-01-16, Service bulletin: ENGINE AND ENGINE COOLING. Throttle Blade Icing Service Fix Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P2072 \- Electronic Throttle Control System \- Ice Blockage. ? P2110 \- Electronic Throttle Control \- Forced Limited RPM. ? P2118 \- Electronic Throttle Control Motor Current Performance \- Bank 1. The customer may also comment on the following: ? The vehicle may not start \(below freezing conditions \- typically \-7 °C \(\-20 °F\)\) This bulletin involves removing the PCV valve and hose to dry out, drying out the throttle body and installing an updated make\-up air hose, air cleaner lid and changing the oil. - [9100229](/bulletins/10248517.md), 2024-01-08, Service bulletin: EQUIPMENT. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect. - [9003357A](/bulletins/10247906.md), 2024-01-02, Service bulletin: ENGINE AND ENGINE COOLING. 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. - [93120](/bulletins/10243209.md), 2023-10-02, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FCA Caribbean Warranty Bulletin ID\-23\-20 "Can / Am" Warranty Coverage \- 594 / 595 / 596 WCC - [93023](/bulletins/10243208.md), 2023-10-02, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Bulletin D\-16\-03 \- "Can / Am" Warranty Coverage \- 594 / 595 / 596 WCC \(Rev. B\) - [9100196](/bulletins/10242717.md), 2023-09-25, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used - [0700723](/bulletins/10239957.md), 2023-07-31, Service bulletin: ENGINE AND ENGINE COOLING. Water Quality When Mixed With Engine Coolant - [1804823](/bulletins/10236933.md), 2023-05-30, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test \(SLVT\) \- P0456\-EVAP SYSTEM SMALL LEAK JSON: [/v1/bulletins/10159936](/v1/bulletins/10159936) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2009-006-15%20REV%20A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10159936&vehicle=Service%20bulletin%2009-006-15%20REV%20A)