Jeep Grand Cherokee L Service Bulletins (2027)
33 manufacturer communications on file.
- October 17, 2026•Document ID: 11038640Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 09-027-26
- Date Added:
- October 22, 2026
- Manufacturer:
- JEEP
SummaryEngine Coolant Leak The customer may comment on the following: SYMPTOM: ● There is an external coolant leak near the exhaust side of the engine block. This bulletin involves performing a drive cycle of at least 40 miles (64 km) to verify the presence of a coolant leak. At the completion of the drive cycle, the vehicle odometer must not exceed 60 miles (97 km). If a coolant leak is confirmed, diagnose the source of the leak and perform the necessary repairs as required
Associated Products (4)Associated Documents - October 14, 2026•Document ID: 11038643Service CampaignENGINE
- Mfr Comm. #:
- 66D Combo Rev3
- Date Added:
- October 22, 2026
- Manufacturer:
- JEEP
SummaryRevised Customer Satisfaction Notification 66D – Spark Plugs - Dealer Notification
Associated Products (4)Associated Documents - October 9, 2026•Document ID: 11038532Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-374-26
- Date Added:
- October 16, 2026
- Manufacturer:
- JEEP
SummaryR1H U43.17 Software Update - FOTA Customers may experience the following: SYMPTOM: ● CarPlay® application crash. ● Intermittent CarPlay® connection or extended connection time. ● Apple CarPlay® radio lagging, freezing or display glitches. ● Audio intermittently cuts out. ● Radio display blank. ● Intermittent Android Auto® / CarPlay® reconnection concern. ● Abnormal radio screen display when adjusting audio volume using the steering wheel controls after extended Bluetooth audio playback from an Android device. ● Unable to add or pair a device to the Head Unit (HU) while the vehicle is in motion. ● Bluetooth-enabled devices cannot be discovered when attempting to pair a phone, even when the device is inside the vehicle. ● Turn Signal Activated Blind Spot View activates slower when the left turn signal is used compared to the right turn signal. ● Android Auto® launches automatically with a blank screen. ● Radio display goes blank while audio continues to play, and radio functions become inoperative. ● Vehicle Settings page becomes unresponsive or frozen. ● Android Auto® fails to connect. ● FamCAM softkey requires multiple presses before launching. ● Radio resets or reboots while driving. ● Flashing odometer. ● Selectable Tire Fill Assist application displays an illegible "Save as Preset" softkey. ● Surround View Camera (SVC) guidelines remain displayed after the guidelines setting has been turned OFF through the radio. In addition, the following software enhancement is included: ● Improved Wi-Fi connectivity performance.
Associated Products (5)Associated Documents - October 9, 2026•Document ID: 11038495Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-374-26
- Date Added:
- October 16, 2026
- Manufacturer:
- JEEP
SummaryR1H U43.17 Software Update - FOTA Customers may experience the following: SYMPTOM: ● CarPlay® application crash. ● Intermittent CarPlay® connection or extended connection time. ● Apple CarPlay® radio lagging, freezing or display glitches. ● Audio intermittently cuts out. ● Radio display blank. ● Intermittent Android Auto® / CarPlay® reconnection concern. ● Abnormal radio screen display when adjusting audio volume using the steering wheel controls after extended Bluetooth audio playback from an Android device. ● Unable to add or pair a device to the Head Unit (HU) while the vehicle is in motion. ● Bluetooth-enabled devices cannot be discovered when attempting to pair a phone, even when the device is inside the vehicle. ● Turn Signal Activated Blind Spot View activates slower when the left turn signal is used compared to the right turn signal. ● Android Auto® launches automatically with a blank screen. ● Radio display goes blank while audio continues to play, and radio functions become inoperative. ● Vehicle Settings page becomes unresponsive or frozen. ● Android Auto® fails to connect. ● FamCAM softkey requires multiple presses before launching. ● Radio resets or reboots while driving. ● Flashing odometer. ● Selectable Tire Fill Assist application displays an illegible "Save as Preset" softkey. ● Surround View Camera (SVC) guidelines remain displayed after the guidelines setting has been turned OFF through the radio. In addition, the following software enhancement is included: ● Improved Wi-Fi connectivity performance.
Associated Products (5)Associated Documents - October 7, 2026•Document ID: 11038554Service CampaignENGINE
- Mfr Comm. #:
- 66D Combo Rev2
- Date Added:
- October 16, 2026
- Manufacturer:
- JEEP
SummaryRevised Customer Satisfaction Notification 66D – Spark Plugs - Dealer Notification
Associated Products (4)Associated Documents - October 7, 2026•Document ID: 11038517Service CampaignENGINE
- Mfr Comm. #:
- 66D Combo Rev2
- Date Added:
- October 16, 2026
- Manufacturer:
- JEEP
SummaryRevised Customer Satisfaction Notification 66D – Spark Plugs - Dealer Notification
Associated Products (4)Associated Documents - September 30, 2026•Document ID: 11038329Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- S2621000004
- Date Added:
- October 7, 2026
- Manufacturer:
- JEEP
SummaryThe Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only)
Associated Products (69)2027 Jeep Grand Cherokee2027 Jeep Grand Cherokee L2026 Dodge Durango2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Wrangler2026 Ram 15002025 Dodge Durango2025 Jeep Gladiator2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Wrangler2025 Ram 15002024 Dodge Durango2024 Jeep Gladiator2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Wrangler2024 Ram 1500+ 49 moreAssociated Documents - September 30, 2026•Document ID: 11038327Warranty Program/ExtensionSTRUCTURE:BODY
- Mfr Comm. #:
- 114937
- Date Added:
- October 7, 2026
- Manufacturer:
- JEEP
SummaryWarranty Newsletter – Volume 12, Issue 7
Associated Products (6)Associated Documents - September 30, 2026•Document ID: 11038325Warranty Program/ExtensionSTRUCTURE:BODY
- Mfr Comm. #:
- 114946
- Date Added:
- October 7, 2026
- Manufacturer:
- DODGE
SummaryFCA Caribbean Warranty Newsletter – Volume 12, Issue 7
Associated Products (6)Associated Documents - September 30, 2026•Document ID: 11038319Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 9100926
- Date Added:
- October 7, 2026
- Manufacturer:
- JEEP
SummaryWIRELESS CHARGER Welcome GREEN LED not turning ON after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. Part numbers affected: 68630089AA 68630088AB 68649038AA Welcome Green LED turns on for 1 second after multiple IGN ON/OFF without sleep cycle and no phone on the charging pad. Intent of this condition is to notify the customer/dealership that the Wireless Charging Pad is ready to charge. Do not report as warranty claim, no impact to wireless charger functionality. Part numbers affected: 68630089AB 68630088AD 68649038AB Advice to dealership: Do no replace wireless charger PNs 68630089AA,68630088AB,68649038AA if no Welcome GREEN LED is seen after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. This feature is available in the successor NIKs, no impact to wireless charger functionality.
Associated Products (30)2027 Dodge Charger2027 Jeep Cherokee2027 Jeep Grand Cherokee2027 Jeep Grand Cherokee L2027 Jeep Wagoneer S2027 Ram 15002027 Ram 25002027 Ram 35002027 Ram 45002027 Ram 55002026 Dodge Charger2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Recon2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 5500+ 10 moreAssociated Documents - September 25, 2026•Document ID: 11037570Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 09-023-26
- Date Added:
- September 30, 2026
- Manufacturer:
- JEEP
SummaryUmbrella Valve Seal Missing From Cylinder Head Cover Vehicle may exhibit a MIL-ON. SYMPTOM: Upon inspection the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have set: ● P0300-00 - Random/Multiple Cylinder Misfire Detected. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. This bulletin involves inspecting for a missing umbrella valve seal on the underside of the cylinder head cover and, if necessary, replacing the cylinder head cover.
Associated Products (4)Associated Documents - September 8, 2026•Document ID: 11037357OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- OTHERDOC_183
- Date Added:
- September 17, 2026
- Manufacturer:
- JEEP
SummaryRadio Over The Air Update to U43.17 R1H Software Version (FOTA) Customers may experience one or more of the following: - Navigation Stability - Android Auto & Carplay stability & connectivity - Power management app - Distorted/glitchy display prior to start‑up animation - Text appearance display - Widget incorrect display - Turn signal blind spot response timing - Audio cut out - Drive Modes selection - Park assist Guidelines selction
Associated Products (6)Associated Documents - September 1, 2026•Document ID: 11037262Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; AIR BAGS
- Mfr Comm. #:
- S2623000052 REV. A
- Date Added:
- September 10, 2026
- Manufacturer:
- JEEP
SummaryAirbag Warning Light On or Intermittent. The Occupant Restraint Controller (ORC) May Have The Following DTCs (Active/Stored)
Associated Products (38)2027 Dodge Charger2027 Jeep Grand Cherokee2027 Jeep Grand Cherokee L2027 Jeep Grand Wagoneer2027 Ram 25002027 Ram 35002027 Ram 45002027 Ram 55002026 Dodge Charger2026 Jeep Cherokee2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer S2026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Dodge Charger2025 Jeep Grand Cherokee+ 18 moreAssociated Documents - August 28, 2026•Document ID: 11036766Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 9100891
- Date Added:
- September 3, 2026
- Manufacturer:
- JEEP
SummaryDisplay Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract. Order "68" part number for New, Unsold units only.
Associated Products (4)Associated Documents - August 25, 2026•Document ID: 11036777Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- 114273
- Date Added:
- September 3, 2026
- Manufacturer:
- JEEP
SummaryD-26-18 Rev. A Dealer Incentive for the Completion of Customer Satisfaction Notification 66D
Associated Products (4)Associated Documents - August 25, 2026•Document ID: 11036776Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- 114275
- Date Added:
- September 3, 2026
- Manufacturer:
- JEEP
SummaryID-26-38 Rev. A Dealer Incentive for the Completion of Customer Satisfaction Notification 66D
Associated Products (4)Associated Documents - August 24, 2026•Document ID: 11036775Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- 114238
- Date Added:
- September 3, 2026
- Manufacturer:
- JEEP
SummaryDealer Incentive for the Completion of Customer Satisfaction Notice (CSN) 66D
Associated Products (4)Associated Documents - August 24, 2026•Document ID: 11036774Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- 114236
- Date Added:
- September 3, 2026
- Manufacturer:
- JEEP
SummaryDealer Incentive for the Completion of Customer Satisfaction Notice (CSN) 66D
Associated Products (4)Associated Documents - August 20, 2026•Document ID: 11036358Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 09-020-26
- Date Added:
- August 26, 2026
- Manufacturer:
- JEEP
SummaryUmbrella Valve Seal Missing From Cylinder Vehicle may exhibit a MIL-ON. SYMPTOM: Upon inspection the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have set: ● P0300-00 - Random/Multiple Cylinder Misfire Detected. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. This bulletin involves inspecting for a missing umbrella valve seal on the underside of the cylinder head cover and, if necessary, replacing the cylinder head cover.
Associated Products (4)Associated Documents - August 19, 2026•Document ID: 11036357Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 09-017-26 REV. A
- Date Added:
- August 26, 2026
- Manufacturer:
- JEEP
SummaryUmbrella Valve Seal Missing From Cylinder Head Cover Customer may experience a MIL-ON and/or an indication of low engine oil level. SYMPTOM: Upon inspection the technician may find the following: 1. One or more of the following Diagnostic Trouble Codes (DTCs) have set: ● P0300-00 - Random/Multiple Cylinder Misfire Detected. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. 2. Engine oil level is low. IMPORTANT! If none of above symptoms are present, this TSB does NOT apply. This bulletin involves inspecting the engine oil level, possibly inspecting for a missing umbrella valve seal on the underside of the cylinder head cover and, if necessary, replacing the cylinder head cover.
Associated Products (4)Associated Documents