WenmarOpen by Wenmar Pro

Service bulletins for the 2014 Jeep Grand Cherokee

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
08-083-15 REV-A2018-11-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. Flash: Bass, Mid, Treble Adjustment Causes Erratic Volume Increases This bulletin involves reprogramming the Amplifier (AMP) with the latest available software. The customer may describe when changing the radio tone settings (Bass, Mid, Treble) the volume levels may be erratic. Depending where the volume is set, the volume changes maybe very loud or very little. Example: Volume set to 8 and making adjustments to the tone settings, the volume can increase by 15 db. Volume set to 25 and making adjustments to the tone settings, there maybe no volume changes.
21-005-152018-11-19. Service bulletin. POWER TRAIN; EQUIPMENT; ELECTRICAL SYSTEM. Flash: Transmission Shift And Drivability Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) and Transmission Control Module (TCM) with new software. NOTE: Both the PCM and TCM must be up to date for these changes to be effective. A small number of customers may experience one or more of the following conditions. ? Will not reach max speed (over 256 kph) during freeway driving. (International Market Only) ? Less than desired upshift quality in Normal or Sport mode ? Shift inhibit while transitioning in/out of MDS mode ? Less than desired downshift quality while coasting with the brake released or while passing. ? Vehicle will not display 2nd gear when entering Manual mode from Snow or ECO mode ? High speed gear hunting (shifting back/forth repeatedly between two gears) ? Will not exceed 20 mph in reverse. ? Less than desired 2nd gear launch quality while in ECO mode ? Unable to launch in 3rd gear in Snow mode in higher altitudes. ? Less than desired shift quality during accelerator pedal tip in/out acceleration during Torque Converter Clutch operation.
21-003-152018-11-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; POWER TRAIN. Flash: 8HP70 Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may indicate that the transmission shift quality may not meet their expectations under the following conditions. These concerns are separated by vehicle. WK Vehicles ? ECO mode will not retain settings. If ECO mode is turned off, it will turn back on after the ignition is cycled. ? Less than desired upshift quality in normal drive mode under light/medium acceleration. ? Less than desired Power-on downshift quality (i.e. passing). ? Less than desired powertrain performance while driving at higher altitudes, on steep grades, or during high speed driving. ? Less than desired tip in/out acceleration during torque converter clutch operation. ? Less than desired engagement quality in 4x4 high or 4x4 low range. WD Vehicles ? ECO mode will not retain settings. If ECO mode is turned off, it will turn back on after the ignition is cycled. ? Less than desired engagement quality in 4x4 high or 4x4 low range.
21-004-152018-11-19. Service bulletin. POWER TRAIN; ENGINE; ELECTRICAL SYSTEM. Flash: 845RE Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. The following TCM calibration improvements are available for vehicles equipped an 845RE Automatic Transmission (Sales Code DFL). These updates are listed by vehicle and engine. LD and LX vehicles equipped with a 3.6L engine (Sales Code ERB) ? Software to correct a harsh bump feel during a 2-1 downshift. ? Software to enable the scan tool based transmission ?Quick Learn.? ? Software to address customer concerns of Malfunction Indicator Lamp (MIL) illumination and Diagnostic Trouble Code (DTC) P215C Output Shaft Speed, Wheel Speed Correlation setting on AWD equipped vehicles. LX and WK vehicles equipped with a 3.0L engine (Sales Code EHD) ? Software to correct a harsh bump feel during a 2-1 downshift. WK vehicles equipped with a 3.6L engine (Sales Code ERB) ? ECO mode will not retain settings. If ECO mode is turned off, it will turn back on after the ignition is cycled. ? Software to correct a harsh bump feel during a 2-1 downshift. DS vehicles equipped with 3.6L engine (Sales Code ERB) ? Software to correct a harsh bump feel during a 2-1 downshift. ? Software to address a customer?s concern of less than desired shift quality in Four Wheel Drive (4wd) Low mode during medium to heavy acceleration. ? Software to address customer concerns of Malfunction Indicator Lamp (MIL) illumination and Diagnostic Trouble Code (DTC) P215C Output Shaft Speed, Wheel Speed Correlation setting on AWD equipped vehicles. ? Software improvements to powertrain braking in Tow/Haul mode. ? Software to improve downshift response from a medium to heavy pedal acceleration. ? Driveability improvements at higher altitudes. ? Software to improve acceleration during cruise control operation ? Software to correct a condition where DTC U11C3 - ESM Lost Communication With TCM On D-Pt CAN may have been displayed inste
07-002-152018-11-19. Service bulletin. ENGINE. Idler Pulley Noise During Cold Start This bulletin involves replacing the idler pulley. The customer may describe a loud high frequency noise that happens within 20 seconds of engine startup and lasts about 90 seconds intermittently during a cold engine start, approximately 0 degrees C (32 degrees F) and below.
21-012-152018-09-24. Service bulletin. EQUIPMENT; POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. ? ECO mode will not retain settings. If ECO mode is turned off, it will turn back on after the ignition is cycled. ? 3-2, 2-1 Shift bump on deceleration. ? Less than desired shift quality during hard acceleration. ? Excessive shifts during cruise control operation. ? Intermittent delay shift condition. ? Less than desired engine braking during downhill descent. ? Manual gear selection improvements at higher altitudes. ? Less than desired driveability performance in 4 low. ? Hesitation improvements. ? Inconsistent and/or harsh 1-2, 2-3, 3-4, 4-5 upshifts at moderate throttle. ? Inconsistent and/or harsh lift-foot upshifts. ? Inconsistent and/or harsh coasting 3-2, 2-1 downshifts in Hi or Lo range. ? Ratio fault detection during 1-2 upshift or 8-7 downshift. ? Grade hunting (repeated shifting while ascending a grade). ? 8-7-8 shift busyness when approaching max vehicle speed. ? Undesired gear selection at high altitude. ? Undesired gear selection when driving downhill (not enough powertrain braking). ? Time to exit TIP (manual/paddle shift mode) takes too long. ? Unintended downshifts driving at certain speeds. ? 4-3 coasting downshift may cause excessive engine noise during engine braking. ? Shift hanging when vehicle is started cold. ? Undesired shift toggling in Manual/Paddle Shift mode. ? Lo range selec-speed control 1-2 shift busyness.
24-001-152018-09-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, DIESEL. Slight Diesel Odor In The Vehicle This bulletin involves replacing the existing paper cabin filter with an updated charcoal filter. Customers may experience a slight diesel odor inside the vehicle.
08-016-152018-09-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Poor Radio Reception This bulletin involves replacing the satellite antenna if needed. A customer may experience, SXM (Sirius/XM) radio has intermittent muting. This occurs in areas where XM signal is degraded and cell signal is very weak. The condition happens when the optional vehicle internet connection through the cell network is in use with the internal vehicle Wi-Fi. This Symptom/Condition Only Applies To 2014-2015 KL Vehicles: A customer may experience a popping noise when listening to AM stations.
08-015-152018-09-24. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; STEERING. Flash: Gear Shift Indicator System Enhancements This bulletin involves reprogramming the Power Control Module (PCM) with new software. A small number of customers may experience improper gear shift point indications displayed in the EVIC if the paddle shift mode is selected on the steering wheel.
14-001-152018-09-24. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT ADAPTIVE/MOBILITY. Diesel Fuel Filter Weepage in Extreme Cold Conditions This bulletin involves installing a new fuel/ water separator filter. Diesel fuel weepage from bottom of the vehicle when a cold soaked vehicle is started at temperatures of -13 F (-25 C) or below when using artic diesel fuel or a cold weather diesel fuel additive.
23-012-152018-09-24. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE. Cargo Compartment Load Floor Panel Latch Handle Broken This bulletin involves replacing the cargo compartment load floor panel latch handle. The customer may describe a broken cargo compartment load floor panel latch handle.
07-002-15 REV. A2018-09-24. Service bulletin. ENGINE. Idler Pulley Noise During Cold Start This bulletin involves replacing the idler pulley. The customer may describe a loud high frequency noise that happens within 20 seconds of engine startup and lasts about 90 seconds intermittently during a cold engine start, approximately 0 degrees C (32 degrees F) and below.
18-023-152018-09-24. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may have been set: ? P20C2 - Reductant Heater 3 Control Circuit Performance. ? P204F - Reductant System Performance. ? P20E9 - Reductant Pressure Too High. ? P0087-00 - Fuel Rail Pressure Too Low. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P0171-00 - System Too Lean (Bank 1). ? P0172-00 - System Too Rich (Bank 1). ? P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. ? P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. ? P062B-00 - Internal Control Module Fuel Injector Control Circuit Performance. ? P0088-00 - Fuel Rail Pressure Too High. ? P016F-00 - Closed Loop fuel Pressure Control At Limit - Pressure Too Low. ? P009A-00 - Intake Air Temperature / Ambient Air Temperature Correlation. ? P0234-00 - Turbocharger Overboost Condition. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P050E-00 - Cold Start Engine Exhaust Temperature Too Low. ? P05F8-00 - Reductant Heater Control Module Performance. ? P061B-00 - Internal Control Module Torque Calculation
08-024-152018-09-24. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Flash: Service Tire Pressure System Message This bulletin involves updating the Tire Pressure Module (TPM) software and performing a Misc-function routine. The customer may notice a message ?Service Tire Pressure System? displayed on the cluster. On further inspection the technician may find the following Diagnostic Trouble Codes (DTCs): ? C151D - Tire Pressure Sensor Location Undetermined. ? C1581 - Front/Rear Side Tire Pressure Sensor Location Undetermined.
68225378A$2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). 3.0L V6 Turbo Diesel - Sales Code EXF A crankshaft locking tool marked 630 is installed on all 3.0L EXF long blocks (Lower rear left side of block under starter location). This tool locks the crankshaft at 30? ATDC. Refer to: Valve Timing ? Standard Procedure ? LOCKING ENGINE 30 DEGREE AFTER TDC IN TechCONNECT for further details. This tool must be removed after the the injection pump has been installed on the engine. The tool will be replaced with the engine block plug from the engine being removed. The engine will not turn over with this tool installed.~
08-036-14 REV. A2018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). RA3 RA4 Radio Enhancements This bulletin involves inspecting and updating the radio software, if required. A customer may experience, one or more of the following conditions. Navigation function may resets itself after using One-Shot Voice Recognition (VR). Intermittently the Global Positioning System (GPS) may lose it?s location for a short time and causes routing and positioning concerns. GPS and Internal cellular device may become inoperative and causes a loss of GPS and cellular functions. A false Pop-up message may appear ?Vehicle Phone Requires Service? even though the vehicle?s phone works properly. Back-up camera image may be unclear or jittery/stutters at times. Enables Via Mobile software features when released to consumers. (U.S. market only) Able to adjust audio balance / fade settings during a VR session. Correct, condition where user could not exit screen off mode. Mute button status was not being displayed correctly. Presets where not shown correctly or were deleted. Enhancements to POI. ParkSense tone continuously on Enhancement to navigation routing Radio display may shows ?Please insert USB Stick? Enhancement made when video is display in radio when using PAL format video disks Corrected the temperature slider bar not updating on Manual Temperature Control vehicles Navigation may not start or may lose position Rear camera may show a black screen for 3 seconds upon going to reverse Enhancements for iPod or iPhone devices that may not start playing after connecting iPod would not resume playing after a VR session or phone call Radio reset, screen lockup, blank screen or sluggish system response time Compass indicator turns off Touch screen shut down message Radio surround sound will not stay ON Driver memory feature causes Sirius XM failure Loss of radio presets Battery drain-due to radio remains on Uconnect apps don't load AM/FM popping noises and/or static Backup camera display is blank Compass direction may be inco
08-021-14 REV. B2018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. RG3 RG4 RJ3 RJ4 Radio Enhancements This bulletin involves inspecting and updating the radio software, if required. ? Speed Camera UK & Spain complaining that the speed camera feature was not available with the latest MY14 software. ? DAB preset list on the top of the screen doesn't change while scrolling with steering controls. ? Rear view camera jitter. ? Tuner reception software enhancements. ? HVAC temperature control enhancements. ? SRT soft button missing for radios when vehicle is equipped with SRT feature (EMEA /LATAM markets only). ? Battery drain due to the radio and cluster back-lighting staying on. ? Postal Code smart speller logic enhancements (EMEA markets only). ? AM/FM steering wheel mode switch button not working (LATAM markets only). ? Navigation Lockout Disable while vehicle is in motion (EMEA markets only). ? Removed network status indicators for SRT/APPS. ? Voice Recognition (VR) says 'cancel' when starting (App) applications. ? iPod would not resume playing after a VR session or phone call. ? Removed the cell signal indicators in the SRT and Apps button on non-US vehicles. ? rear camera may show a black screen for 3 seconds upon going to reverse. ? Navigation would not start or would lose position. ? Removal of parental control under Apps menu. ? Turn by Turn navigation in the cluster set to ON by default. ? Transfer button does not pick-up and transfer incoming call. ? Some Russian letters are caps when they should be lower-case. ? Touch screen locks up in navigation, when Russian is selected. ? Address search availably when the vehicle is moving (EMEA markets only). ? VR messages in Spanish talks to fast. ? Recognition enhancement for Russian VR. ? Hands free audio too low for non-amp vehicle (KL). ? Intermittently ?Registration expired? pop-up appears on display screen. ? Arabic language for navigation only, not the keyboard (RJ3 RJ4 radio only). ? Incorrect time to destination, when
08-062-142018-06-18. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Replace Radio No AM Or FM Reception This bulletin involves replacing the RJ radio with a RA sales code radio. No FM or AM reception.
08-061-142018-06-18. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Polish Instrument Cluster Translation Update This bulletin involves flashing the instrument cluster to update the Polish translation. Incorrect Polish translations in the Instrument Cluster.
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
18-018-14 REV. C2018-06-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. Flash: MIL Illumination - Remote Start, Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may experience a condition that the Remote Start will not start the vehicle in cold 14° F (-10° C) ambient temperatures. Software enhancements will help this issue. Some customers may experience a condition that the Oil Life Monitor shows faster then expected oil life deterioration. Software enhancements will address this issue. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any of the following Diagnostic Trouble Code(s) may have been set erroneously: ? P0087-00 - FUEL RAIL PRESSURE TOO LOW ? P0088-00 - FUEL RAIL PRESSURE TOO HIGH ? P016F-00 - CLOSED LOOP FUEL PRESSURE CONTROL AT LIMIT - PRESSURE TOO LOW ? P009A-00 - INTAKE AIR TEMPERATURE / AMBIENT AIR TEMPERATURE CORRELATION ? P0234-00 - TURBOCHARGER OVERBOOST CONDITION ? P0420-00 - CATALYST EFFICIENCY (BANK 1) ? P0426-00 - CATALYST TEMPERATURE SENSOR CIRCUIT PERFORMANCE (BANK 1 SENSOR 1) ? P050E-00 - COLD START ENGINE EXHAUST TEMPERATURE TOO LOW ? P05F8-00 REDUCTANT HEATER CONTROL MODULE PERFORMANCE ? P061B-00 - INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCE ? P062B-00 - INTERNAL CONTROL MODULE FUEL INJECTOR CONTROL CIRCUIT PERFORMANCE ? P0128-00 - THERMOSTAT RATIONALITY ? P1D30-00 - OIL VISCOSITY TOO LOW ? P200A-00 - INTAKE MANIFOLD RUNNER PERFORMANCE - BANK 1 ? P200B-00 - INTAKE MANIFOLD RUNNER PERFORMANCE - BANK 2 ? P202E-00 - REDUCTANT INJECTION VALVE CIRCUIT PERFORMANCE ? P203E-00 - REDUCTANT LEVEL SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC ? P204F-00 - REDUCTANT SYSTEM PERFORMANCE ? P2080-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE ? P2084-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 2 ? P20BA-00 - REDUCTANT HEATER 1 CONTROL CIRCUI
21-012-14 REV. A2018-06-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. Transmission Shift Enhancements - Adaptation Drive Learn Procedure This bulletin involves performing a subjective shift quality rating when customers experience poor shift quality and if necessary, performing the transmission adaptation learn procedure. In addition, this bulletin involves performing transmission adaptation learn procedure when the transmission is repaired/replaced and/or the valve body/TCU assembly (mechatronic) is replaced, or when the adaptation memory cells are cleared with the wiTECH diagnostic scan tool. Customers may indicate that their transmission shift quality does not meet their expectations.
08-053-14 REV. A2018-06-18. Service bulletin. ENGINE. Flash: Vehicle Enhancement This bulletin involves updating the Body Control Module (BCM) software. The customer may experience one or all of the following: False security alarm activation. A significant delay to update the ambient air temperature display. Intermittently the interior lights may not turn on with the first press of the key fob. Ambient temperature may display - 40 F/-40 C for a few seconds at start up. Courtesy lamps are dim when approaching the vehicle after a remote start. Intermittently the vehicle may not start, after the vehicle has been driven and then trying to restart the vehicle with remote start. Back lighting flickers after a remote start, the condition is gone after entering the vehicle and restarting it. Engine may turn off, after the vehicle is remote started and then unlocking the vehicle with the liftgate passive entry. (Diesel Only) (Diesel Only) False DTC setting for front Daytime Running Lamps (DRL) circuit open, DRL will work properly. False setting for B16D3-15 Right DRL Lamp Control - Circuit Short To Battery Or Open. False setting for B16CF-15 Left DRL Lamp Control - Circuit Short To Battery Or Open.
17-002-142018-06-18. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER. Rear Shock Absorber Low Speed Rattle Chuckle Noise This bulletin involves replacing both rear shock upper mounts. The rear shocks may produce a rattle chuckle noise while driving over bumps at low speed. The noise is more prevalent at higher shock temperatures.
21-021-142018-06-18. Service bulletin. PARKING BRAKE:DRIVELINE; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DCTM) - Bump Felt in the Driveline While Turning From a Stop Such as in Parking Lot Maneuvers This bulletin involves flashing the Drivetrain Control Module (DCTM) with revised software. Customers may indicate that they feel a bump in the driveline while turning from a stop such as in parking lot maneuvers. This software release provides a more refined control of the 4WD system to more smoothly engage and release the 4WD system.

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