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Service bulletins for the 2014 Jeep Wrangler

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.

216 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
09-008-152018-11-26. Service bulletin. ENGINE. 3.6L Oil Loss Diagnostic Aid This bulletin involves additional information on oil loss.
18-034-14 REV. A2018-06-18. Service bulletin. ENGINE. P0520- Engine Oil Pressure Sensor Circuit This bulletin involves replacing the oil pressure sensor with a revised part. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0520 - Engine Oil Pressure Sensor Circuit
90036942018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Oil Pump Assembly If error code P06DD present on any Pentastar V6 application, please inspect oil pump for relief valve failure. See photo attached. If valve is found out of place please call Bob Jackson (248) 944-0466 bob.jackson@fcagroup.com, or Joe Lovell (734) 309-6467 joe.lovell@fcagroup.com before proceeding. If unable to reach after 15 minutes record the following information and proceed with oil pump replacement and hold part for return to FCA via Fastrack system
68105583A2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Pentastar Oil Filter Adapter: Before replacing this part, please call any one of the following people. Engineering is seeking information regarding this part.~ Dye must be used to determine where the leak is coming from before replacing. Also please check the recently updated Service Bulletin Number 09-008-15. ~ First: Nick Morand Cell (248) 410-8078 - Nick.morand@fcagroup.com Second: Bob Jackson Cell (248) 944-0466 - bob.jackson@fcagroup.com Third: Joe Lovell Cell (734 309-6467 - joe.lovell@fcagroup.com If a response is not received within 15 mins, then proceed with the necessary repair.~
18-054-142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Intermittent Extended Crank, Long Crank Time. This bulletin involves inspecting the Bank 1 Camshaft Position Sensor serial number and if necessary, replacing the sensor. A small number of customers may experience an intermittent 1 to 5 second extended crank condition when starting their vehicle. No DTCs will be present when this occurs.
18-034-142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. P0520- Engine Oil Pressure Sensor Circuit This bulletin involves replacing the oil pressure sensor with a revised part. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0520 - Engine Oil Pressure Sensor Circuit
11-002-142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Exhaust Rattle At Idle Speeds This bulletin involves replacing the catalytic converter with a new assembly and hanger system. The customer may experience a buzz, squeak or rattle (BSR) at idle speeds.
07-001-142018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. Intermittent Engine Cooling Fan Operation This bulletin involves an inspection of the Engine Cooling Fan Module and replacement if necessary. The customer may experience an engine overheat condition or lack of cooling from the air conditioning system.
RL108213A$2017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ valve body for all Warranty (W), Mopar (M) and Mopar Vehicle Protection (F) claims.~ Assembly also includes Filter (52108325AA) and Gasket (52108332AA).~
90033552017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. 3.2L - 3.6L Cylinder Head Assy Multiple cylinder head replacement. If a cylinder head is replaced on a vehicle more than 1 time for any reason, please call any of the following people. First: Joe Lovell - Cell (734) 309-6467 joe.lovell@fcagroup.com Second: Kevin Refalo - Cell (248) 260-0738 Kevin.refalo@facgroup.com If no response in 15 minutes, proceed with repair.
68141352A$2017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. 3.2L - 3.6L Cylinder Head Assy Multiple cylinder head replacement. If cylinder head is replaced on a vehicle more than 1 time for any reason, please call any of the following people.~ First: Ron Dallison ? Cell (248) 292-9510 Ron.dallison@fcagroup.com ~ Second: Joe Lovell - Cell (734) 309-6467 joe.lovell@fcagroup.com~ If a response is not received within 15 mins, then proceed with the necessary repair.
68143886A$2017-10-25. Service bulletin. ENGINE AND ENGINE COOLING. RADIATOR, Engine Cooling Before replacing the radiator, please call Andy Wilkinson at cell (248) 613 6301 or email at Andrew.Wilkinson@fcagroup.com. If no answer and if you do not receive a return call within 15 minutes please continue with the normal repair.~
11-002-142016-04-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-09-008-152015-08-29. Service bulletin. ENGINE. VARIOUS VEHICLES ARE EXPERIENCING LOSS OF OIL, AND POSSIBLY AN OIL LEAKAGE POOLING IN ENGINE VALLEY AND POSSIBLY NEED REPLACING OIL FILTER HOUSING. MODEL 2014. *PE
18-053-152015-07-27. Service bulletin. ENGINE. CHRYSLER 2012-2015 JEEP WRANGLER (RHD): BULLETIN INFORMATION INVOLVES REPAIRS AND INSPECTION OF THE ENGINE HARNESS AND REPLACING THE HARNESS RETAINER TOWER CLIP. *LJ
SB-18-034-142014-08-23. Service bulletin. ENGINE. ON SOME MODEL VEHICLES AND JEEPS, (MY 2013-2014)MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES AND DIAGNOSTIC TROUBLE CODE (DTC) IS SET REGARDING ENGINE OIL PRESSURE SENSOR CIRCUIT. *PE
SB-07-001-142014-05-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. JEEP: VEHICLE'S AIR CONDITIONING SYSTEM IS LACKING COOLING OR THE ENGINE IS OVERHEATING AND NEEDS TO BE INSPECTED AND REPLACED, IF NECESSARY. MODEL 2014 WRANGLER. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.