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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Bulletins, newest first
31-005-192019-12-16. Service bulletin. EQUIPMENT; STRUCTURE. Use of Aftermarket Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of aftermarket parts.
31-004-192019-12-16. Service bulletin. VISIBILITY. Authentic Mopar® Glass Replacement This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the recommended usage of Authentic Mopar® Glass.
18-094-192019-12-16. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following (DTCs) have been set:P06EF - Engine Restart Performance. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. In addition, customers may experience the following condition:Engine will auto stop and will not auto restart or the engine will auto start and this will result in a misfire, requiring customer to shift into park and manually restart vehicle. Other enhancements included in this update:Improvement for Engine Stop/Start (ESS) System.
18-093-192019-12-16. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) have been set:P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. P06EF - Engine Restart Performance.
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
08-016-19 REV. F2019-12-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. UAS, UAQ, UCS and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to:22.6 - DS, D2, DP, DD, DF and DJ vehicle with UAS, UCQ and UAQ radio. 22.5 - LA, LD and LX vehicle with UAS and UAQ. 21.9 - All other vehicles and radios. Customers may experience one or more of the following:Audio Distortion (DS, D2, DP, DD, DF and DJ vehicle with UAS, UCQ and UAQ radio). Menu bar at the bottom of the radio display is frozen (LA, LD and LX with UAQ and UAS radios). Can not change the time on the clock (LA, LD and LX with UAS radios). Anti-theft code request message. Backup camera screen is blank. Lines appear across screen. Radio control screen is blank or locked. Radio resets intermittently. Unable to adjust volume. Radio will not switch modes between AM, FM, SAT or Media. In addition, the following enhancements are included in this update:Carplay® connectivity improvements. Improvement to Bluetooth phone pairing. Improved sound quality when using a Bluetooth phone.
09-003-192019-12-02. Service bulletin. ENGINE AND ENGINE COOLING. GEN-2 and GEN-3 - 3.0L Oil Filter Cartridge Identification Differences This bulletin highlights the design differences in the oil filter cartridges used in the GEN-2, and GEN-3 3.0L diesel. As well as potential issues that can arise should the incorrect filter be used in each application. Although similar in design, the oil filter cartridges used on the GEN-2 and GEN-3 3.0L diesel engines are different in design. Interchanging them may result in premature engine damage over time.
08-016-19 REV. E2019-12-02. Service bulletin. EQUIPMENT. UAS, UAQ, UCS and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to:28.3 - WD and WK vehicle with UAQ and UCQ radio. 22.6 - DS, D2, DP, DD, DF and DJ vehicle with UAS, UCQ and UAQ radio. 22.5 - LA, LD and LX vehicle with UAS and UAQ. 21.9 - All other vehicles and radios. Customers may experience one or more of the following:Warning chime will not turn off (WD and WK with UAQ and UCQ radio). Audio Distortion (DS, D2, DP, DD, DF and DJ vehicle with UAS, UCQ and UAQ radio). Menu bar at the bottom of the radio display is frozen (LA, LD and LX with UAQ and UAS radios). Can not change the time on the clock (LA, LD and LX with UAS radios). Anti-theft code request message. Backup camera screen is blank. Lines appear across screen. Radio control screen is blank or locked. Radio resets intermittently. Unable to adjust volume. Radio will not switch modes between AM, FM, SAT or Media. In addition, the following enhancements are included in this update:Bluetooth® improvements (WD and WK with UAQ and UCQ radio). Voice Recognition (VR) improvements (WD and WK with UAQ and UCQ radio). Radio stability improvements (WD and WK with UAQ and UCQ radio). Carplay® connectivity improvements. Improvement to Bluetooth phone pairing. Improved sound quality when using a Bluetooth phone.
08-019-19 REV. B2019-12-02. Service bulletin. EQUIPMENT. UGQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 2.5. Customers may experience one or more of the following:Russian language missing in the radio setting menu. If the radio is set for Russian language, UConnect displays unknown symbols on the ?Off Road Page?. Could not disable the feature for the heated seat and heated steering wheel turned on automatically at start-up. Radio may reset, turn itself off and then back on again. Radio display screen lockup. Park assist chime will continue to chime after the vehicle is turned off. Radio will display the incorrect speed limit in kph when approaching a road speed camera. Uconnect Live APPs restricted to only MyCar, ecoDrive and Jeep Skills. In addition the following enhancements are included:Russian language enhancements.
08-016-19 REV. D2019-12-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. UAS, UAQ, UCS and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to:22.6 - DS, D2, DP, DD, DF and DJ vehicle with UAS, UCQ and UAQ radio. 22.5 - LA, LD and LX vehicle with UAS and UAQ. 21.9 - All other vehicles and radios. Customers may experience one or more of the following:Audio Distortion (DS, D2, DP, DD, DF and DJ vehicle with UAS, UCQ and UAQ radio). Menu bar at the bottom of the radio display is frozen (LA, LD and LX with UAQ and UAS radios). Can not change the time on the clock (LA, LD and LX with UAS radios). Anti-theft code request message. Backup camera screen is blank. Lines appear across screen. Radio control screen is blank or locked. Radio resets intermittently. Unable to adjust volume. Radio will not switch modes between AM, FM, SAT or Media. In addition, the following enhancements are included in this update:Carplay® connectivity improvements. Improvement to Bluetooth® phone pairing. Improved sound quality when using a Bluetooth phone.
90041482019-12-02. Service bulletin. EQUIPMENT. Speaker, Front Door For a buzz squeak rattle (BSR) concern coming from the speaker area that cannot be recreated, the fastener in the armrest pull cup may not be fully torqued. This fastener, if under torqued, causes the washer to spin and rattle. Please ensure this fastener is secured and washer is not spinning prior to speaker replacement.
04-001-192019-10-28. Service bulletin. ENGINE. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
08-084-192019-10-28. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Radio and Back-up Camera Enhancements This bulletin involves updating the radio software level to 1848.24. Customers may experience one or more of the following: Green horizontal lines on back up display, in reverse (If this is the customer concern use camera LOP 18-60-02-Y7, on JL vehicles only). Ghost Touch, features, modes and App?s changing, without drivers input. Speaker pop noise when using Bluetooth device. When vehicle is first started the radio will reset and the time display shows 12:00. Audio distortion and volume fluctuation. Blank rear camera image in reverse (If this is the customer concern use camera LOP 18-60-02-Y7) JL only. Audio cutting in and out during memory recall. Ring tone too loud. AM/FM volume fluctuates. While in CarPlay® or AndroidAuto® Google® maps showing wrong location. Phone disconnected after first call. Black screen or White screen with vertical lines. PIN clear and volume locked while KeySense is used. Audio static while in SXM/SAT modes. Echo heard during Bluetooth phone calls. The radio is locked up. The radio remains on after ignition has been turned off. The radio resets. The radio screen turns black. The radio screen shows messages ?Software Update? or ?Reinsert USB Device? and displays that screen in a continuous loop.
90041282019-10-28. Service bulletin. EQUIPMENT. WK SRT Driver Floor Mat Please contact Mark Westemeier at (248) 421-2841 or mark.westemeier@fcagroup.com if the following scenario occurs: A customer already has the remedied mat PN 6XU012X9A$ in their vehicle and states they received the mat in the mail from FCA. Customer needs to either ship the recalled mat back to FCA using the return label and packaging that was provided to them or return the recalled mat to the dealer in order to close out the recall.
90019342019-10-28. Service bulletin. STRUCTURE; STRUCTURE:BODY:HATCHBACK/LIFTGATE. LATCH, Liftgate For Liftgate latch not locking and/or unlocking intermittently, please verify there is no glass in the latch from the rear window breaking. Carefully inspect the part for small shards of glass.
90032202019-10-28. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO [RES] - New and/or Service Exchange For RES radio concerns. Use the wiTECH 2.0 and inspect the radio part number and serial number under the Radio/ECU Details tab. Please verify that the radio part number and/or serial number is not "FFFF". If either field shows "FFFF", please contact Mike Wielgat at 248-576-6696 or Rohan Negandhi at 248-421-9608 If no response in 15 minutes, proceed with repair.
ODFP05222019-07-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Recall UB3 - Trackhawk Driver Side Floor Mat (Customer Reminder Forum Postings)
90040362019-07-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. ACTUATOR, A/C and Heater Before replacing HVAC actuator, please contact either Thomas Conway (248) 635-7090 or Paul Aquino (248) 854-4819. Engineering is looking to gather infomation on fail mode and customer concern. If no response in 15 minutes, proceed with repair.
90040282019-07-15. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER. MASTER CYLINDER, Brake Prior to replacing master cylinder, please call Paul Kuehl at (248) 535 -7013 and/or Tim Parks at (248) 202-0919. If no response in 15 minutes, proceed with repair.
90036962018-06-11. Service bulletin. STRUCTURE:BODY:DOOR. Door Hinge Assembly Side door hinge noisy. Only replace the door hinge with the integral check device. Do not replace the simple hinge if it is not damaged it is not the source of the noise. Replacing it unnecessary and is an over-repair.
90031092018-06-04. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. Washer Fluid Level Sensor Prior to replacing this part due to "Low Washer Fluid" tell tale light on the dash and the washer fluid bottle is full, please perform this inspection: Check if float sensor is rotated off location from the bottle anti-rotation features that surround the SENSOR. Check to determine if the issue has been resolved. Continue with repair if necessary. Please contact Chris Koch at cell (248) 248-622-6417 if you have questions or need additional information.
90025192018-02-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 82212076, 82203694 - Fabric Cleaner This "fabric cleaner" is not intended for sale in California, the otc states (Connecticut, Delaware, Massachusetts, Maine, New Hampshire, New Jersey, New York, Pennsylvania, Virginia, and Washington dc), and some ladco states (Illinois, Michigan, and Ohio). Mopar offers an alternative product (82213192) which is a water based product approved for sale in the aforementioned states.~ ~ Please inform the customer & your prep dept that spraying excessive amounts of the fabric protector on load floors will result in the breaking down of the adhesive (glue) that is used to create the bond between the fabric (carpet) and the load floor. This will apply to any vehicles equipped with rear load floors such as WK, WD, PM, MK, KA, KK. The carpet will appear to be loose, wrinkly, or bunch up~

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