Jeep Grand Wagoneer Service Bulletins
1,281 manufacturer communications on file.
- August 18, 2026•Document ID: 11036368Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 9100861 Rev 4
- Date Added:
- August 26, 2026
- Manufacturer:
- JEEP
SummaryPUMP, Auxiliary Coolant, High Temperature Before replacing the High Temperature Auxiliary Coolant Pump, please perform the following steps: 1) Key ON/OFF and let the after-run pump run for at least 20 minutes before moving on to step #2. 2) Inspect the pump connector area for presence of water. 3) Inspect the pump connector for corrosion. 4) Inspect the pump for coolant contamination as this can cause the pump to stall. 5) Inspect battery terminals for damage to rule out a battery drainage issue. 6) Ensure the PCM is up-to-date with the latest available flash.
Associated Products (12)Associated Documents - August 17, 2026•Document ID: 11036362Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 114072
- Date Added:
- August 26, 2026
- Manufacturer:
- JEEP
SummaryMOTOR - WINDOW REGULATOR
Associated Products (15)Associated Documents - August 17, 2026•Document ID: 11036361Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 114073
- Date Added:
- August 26, 2026
- Manufacturer:
- JEEP
SummaryMOTOR - WINDOW REGULATOR
Associated Products (15)Associated Documents - August 15, 2026•Document ID: 11036269Service Bulletin/Repair InstructionsSTRUCTURE:BODY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-313-26 REV. A
- Date Added:
- August 19, 2026
- Manufacturer:
- JEEP
SummaryFront Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors
Associated Products (2)Associated Documents - August 14, 2026•Document ID: 11036279Service Bulletin/Repair InstructionsBACK OVER PREVENTION: WARNINGS
- Mfr Comm. #:
- S2508000029 REV.B
- Date Added:
- August 19, 2026
- Manufacturer:
- JEEP
SummaryInstrument Panel Cluster (IPC) Message “Park Assist System Unavailable” or “Service Park Assist System”, “Rear Braking Assist Unavailable” or “Service Rear Braking Assist System" with Performance Diagnostic Trouble Codes (DTCs)
Associated Products (19)2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Grand Wagoneer2024 Jeep Wagoneer2023 Jeep Grand Cherokee2023 Jeep Grand Cherokee L2023 Jeep Grand Wagoneer2023 Jeep Wagoneer2022 Jeep Grand Cherokee2022 Jeep Grand Cherokee L2022 Jeep Grand Wagoneer2022 Jeep WagoneerAssociated Documents - August 13, 2026•Document ID: 11036268Service Bulletin/Repair InstructionsSTRUCTURE:BODY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-313-26
- Date Added:
- August 19, 2026
- Manufacturer:
- JEEP
SummaryFront Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors
Associated Products (2)Associated Documents - August 7, 2026•Document ID: 11036182Service Bulletin/Repair InstructionsAIR BAGS; ELECTRICAL SYSTEM
- Mfr Comm. #:
- S2623000052
- Date Added:
- August 13, 2026
- Manufacturer:
- JEEP
SummaryAirbag Warning Light On or Intermittent. The Occupant Restraint Controller (ORC) May Have The Following DTCs (Active/Stored)
Associated Products (11)Associated Documents - August 4, 2026•Document ID: 11036180Service Bulletin/Repair InstructionsBACK OVER PREVENTION: WARNINGS
- Mfr Comm. #:
- S2508000029 REV.A
- Date Added:
- August 13, 2026
- Manufacturer:
- JEEP
SummaryInstrument Panel Cluster (IPC) Message “Park Assist System Unavailable” or “Service Park Assist System”, “Rear Braking Assist Unavailable” or “Service Rear Braking Assist System" with Performance Diagnostic Trouble Codes (DTCs)
Associated Products (15)2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2024 Jeep Grand Cherokee2024 Jeep Grand Cherokee L2024 Jeep Grand Wagoneer2024 Jeep Wagoneer2023 Jeep Grand Cherokee2023 Jeep Grand Cherokee L2023 Jeep Grand Wagoneer2023 Jeep WagoneerAssociated Documents - August 4, 2026•Document ID: 11036168Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; STRUCTURE:BODY
- Mfr Comm. #:
- 113804
- Date Added:
- August 13, 2026
- Manufacturer:
- JEEP
SummaryMODULE - LIFTGATE
Associated Products (3)Associated Documents - August 3, 2026•Document ID: 11036178Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- S2523000053 REV.C
- Date Added:
- August 13, 2026
- Manufacturer:
- JEEP
SummaryService Electric Power Steering (EPS) Message On Instrument Cluster. Rev B.
Associated Products (9)Associated Documents - July 30, 2026•Document ID: 11035971Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 08-289-26 REV. A
- Date Added:
- August 6, 2026
- Manufacturer:
- JEEP
SummaryTransmission Control Module (TCM) Diagnostic N/A - This bulletin was released in error. SYMPTOM:
Associated Products (4)Associated Documents - July 28, 2026•Document ID: 11035994Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 9100861 Rev 3
- Date Added:
- August 6, 2026
- Manufacturer:
- JEEP
SummaryPUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1) Key ON/OFF and let the after-run pump run for at least 20 minutes before moving on to step #2. 2) Inspect the pump connector area for presence of water. 3) Inspect the pump connector for corrosion. 4) Inspect the pump for coolant contamination as this can cause the pump to stall. 5) Inspect battery terminals for damage to rule out a battery drainage issue. 6) Ensure the PCM is up-to-date with the latest available flash. If correct repair is not performed then the claim or condition will be recovered by Warranty Operations.
Associated Products (12)Associated Documents - July 27, 2026•Document ID: 11035987Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; STRUCTURE:BODY
- Mfr Comm. #:
- 9100871
- Date Added:
- August 6, 2026
- Manufacturer:
- JEEP
SummaryPassive Entry Outside Door Han Prior to replacing an inoperative passive entry door handle, perform Star Online S2523000089.
Associated Products (1)Associated Documents - July 24, 2026•Document ID: 11035324Service Bulletin/Repair InstructionsPOWER TRAIN; ENGINE
- Mfr Comm. #:
- 18-074-26
- Date Added:
- July 29, 2026
- Manufacturer:
- JEEP
SummaryFlash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2AF6-00 - Starter Relay 3 Stuck Off (with DBSM). ● P014B-00 - O2 Sensor 2-2 Delayed Response-Lean To Rich. ● P062B-00 - Internal Control Module Fuel Injector Control Performance. Customers may also comment on the following: ● Engine Stop/Start (ESS) inoperative with "Auto Stop Start Not Ready" message in Instrument Panel Cluster (IPC). The following software enhancements are also available: ● Update to enable Exhaust Gas Recirculation (EGR) disable during gear shift for smoother shifting. ● Update for the Brake System Control Module (BSCM) MIL illumination request not setting the MIL on the Powertrain Control Module (PCM). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
Associated Products (1)Associated Documents - July 22, 2026•Document ID: 11035313Service Bulletin/Repair InstructionsPOWER TRAIN; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-289-26
- Date Added:
- July 29, 2026
- Manufacturer:
- JEEP
SummaryTransmission Control Module (TCM) Diagnostic Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following DTCs: ● P2797-00 - Auxiliary Transmission Fluid Pump Performance ● P1625-00 - Park Pawl System Failure NOTE: Park system still functions, no impact to park engagement. NOTE: Vehicle will not experience unintended movement. Customers may also experience one or more of the following: ● Vehicle no start due to battery discharge. ● 'Start/stop inop' message. ● 'Service Transmission' message on in Instrument Panel Cluster (IPC).
Associated Products (4)Associated Documents - July 21, 2026•Document ID: 11035320Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 18-070-26
- Date Added:
- July 29, 2026
- Manufacturer:
- JEEP
SummaryFlash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **U0104-00 - Lost Communication With Cruise Control Module (NA Market Only) (In Active or Stored status). ● U0405-00 - Invalid Data Received From Cruise Control Module (NA Market Only) (In Active or Stored status). NOTE: Vehicles setting DTCs U0405-00 and U0104-00 may experience an inability to be cleared.** ● P2AF6-00 - Dual Starter Relay Stuck (in active or stored status). ● P1CEA - Boost Side EVAP Purge System Performance (in active or stored status). ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected (in active or stored status). ● P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1 (in active or stored status). ● P0071-00 - Ambient Air Temperature Sensor Performance (in active or stored status). ● P0325-00 - Knock/Combustion Vibration Sensor 1 Circuit (in active or stored status). ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low (in active or stored status). ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High (in active or stored status). ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or (in active or stored status). ● P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1 (in active or stored status). ● U0673-00 - Lost Communication With Ion Sense Module (in active or stored status). ● P05BD-00 - Stop-Start Mode Switch Range/Performance (in active or stored status). ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off (in active or stored status). ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance (in active or stored status). ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking (in active or stored status). ● P0330-00 - Knock/Combustion Vibration Sensor 2 Circuit (in active or stored status). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
Associated Products (2)Associated Documents - July 21, 2026•Document ID: 11035319Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 18-069-26
- Date Added:
- July 29, 2026
- Manufacturer:
- JEEP
SummaryFlash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **U0104-00 - Lost Communication With Cruise Control Module (NA Market Only) (In Active or Stored status). ● U0405-00 - Invalid Data Received From Cruise Control Module (NA Market Only) (In Active or Stored status). NOTE: Vehicles setting DTCs U0405-00 and U0104-00 may experience an inability to be cleared.** ● P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1 (In Active or Stored status). ● P0071-00 - Ambient Air Temperature Sensor Performance (In Active or Stored status). ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low (In Active or Stored status). ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High (In Active or Stored status). ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or (In Active or Stored status). ● P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1 (In Active or Stored status). ● U0673-00 - Lost Communication With Ion Sense Module (In Active or Stored status). ● P05BD-00 - Stop-Start Mode Switch Range/Performance (In Active or Stored status). ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off (In Active or Stored status). ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance (In Active or Stored status). ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking (In Active or Stored status). ● P0325-00 - Knock/Combustion Vibration Sensor 1 Circuit (In Active or Stored status). ● P0330-00 - Knock/Combustion Vibration Sensor 2 Circuit (In Active or Stored status). ● P032A-00 - Knock - Combustion Vibration Sensor C Circuit (In Active or Stored status). ● P062B-00 - Internal Control Module Fuel Injector Control Performance (In Active or Stored status). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
Associated Products (2)Associated Documents - July 18, 2026•Document ID: 11035176Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 18-068-26
- Date Added:
- July 23, 2026
- Manufacturer:
- JEEP
SummaryFlash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **U0405-00 - Invalid Data Received From Cruise Control Module. ● U0104-00 - Lost Communication With Cruise Control Module. NOTE: Vehicles setting DTCs U0405-00 and U0104-00 may experience an inability to be cleared.** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. ● P06DD-00 - Engine Oil Pressure Control Circuit Stuck Off. ● P0604-00 - Internal Control Module Random Access Memory Ram Error. ● P060C-00 - Internal Control Module Main Processor Performance. This bulletin involves reprogramming the PCM with the latest available software.
Associated Products (2)Associated Documents - July 16, 2026•Document ID: 11035194Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 9100861 Rev 1
- Date Added:
- July 23, 2026
- Manufacturer:
- JEEP
SummaryPUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1) Key ON/OFF and let the after-run pump run for at least 20 minutes before moving on to step #2. 2) Inspect the pump connector area for presence of water. 3) Inspect the pump connector for corrosion. 4) Inspect the pump for coolant contamination as this can cause the pump to stall. 5) Inspect battery terminals for damage to rule out a battery drainage issue. 6) Ensure the PCM is up-to-date with the latest available flash.
Associated Products (11)Associated Documents - July 13, 2026•Document ID: 11035196Service Bulletin/Repair InstructionsSTEERING; ELECTRICAL SYSTEM
- Mfr Comm. #:
- S2523000053 REV.B
- Date Added:
- July 23, 2026
- Manufacturer:
- JEEP
SummaryService Electric Power Steering (EPS) Message On Instrument Cluster. Rev B.
Associated Products (9)Associated Documents