Jeep Grand Wagoneer Service Bulletins

1,385 manufacturer communications on file.

• March 25, 2026•Document ID: 11030416

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  08-136-26

  Date Added:

  April 1, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: Ignition System Control Module (ISCM) 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): ● P2C30-00 - Ignition Coil Primary Circuit Fuse A. ● P2C31-00 - Ignition Coil Primary Circuit Fuse B. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire Detected. ● P0302-00 - Cylinder 2 Misfire Detected. ● P0303-00 - Cylinder 3 Misfire Detected. ● P0304-00 - Cylinder 4 Misfire Detected. ● P0305-00 - Cylinder 5 Misfire Detected. ● P0306-00 - Cylinder 6 Misfire Detected. ● P0420-00 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430-00 - Catalyst System Efficiency Below Threshold Bank 2. Customers may also comment on the following: ● Engine hesitates/misfires. This bulletin involves inspecting and possibly reprogramming the ISCM with the latest available software.

  Associated Products (2)

  2023 Jeep Grand Wagoneer2023 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030416-0001.pdf↗
• March 24, 2026•Document ID: 11030414

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-134-26

  Date Added:

  April 1, 2026

  Manufacturer:

  DODGE

  Summary

  Universal Garage Door Opener (UGDO) Inoperable Technicians may or may not find the following Diagnostic Trouble Code (DTC) present: SYMPTOM: ● B251D1-00 - Universal Garage Door Opener Control. Customers may comment on the following: ● Operational questions regarding the usage of the HomeLink® UGDO. . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.

  Associated Products (49)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Charger2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Gladiator2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Charger+ 29 more
  Associated Documents

  • DownloadMC-11030414-0001.pdf↗
• March 21, 2026•Document ID: 11030270

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2608000014

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Near Field Communication Card (NFC) inoperative, Radio Frequency Hub (RFHUB) May Set Diagnostic Trouble Code U151F-87 Digital Key Control Module Secret Code-Missing Message (and/or) A Cluster Message May Appear “Processing Digital Key”

  Associated Products (2)

  2026 Jeep Grand Wagoneer2026 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030270-0001.pdf↗
• March 21, 2026•Document ID: 11030254

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-044-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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): ● **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) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P0604-00 - Internal Control Module Random Access Memory Ram Error. (In Active or Stored status) ● P060C-00 - Internal Control Module Main Processor Performance. (In Active or Stored status)** ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/performance. **(In Active or Stored status)** ● P1CEA-00 - Boost Side EVAP Purge System Performance. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. **(In Active or Stored status)** ● P0300-00 - Multiple Cylinder Misfire. **(In Active or Stored status)** Customers may also experience one or more of the following: ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** ● Fully Autonomous Parking Assist (FAPA) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi

  Associated Products (2)

  2024 Jeep Grand Wagoneer2024 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030254-0001.pdf↗
• March 21, 2026•Document ID: 11030253

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-043-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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): ● **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) ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off. (In Active or Stored status) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance. (In Active or Stored status)** ● 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)** ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking Bank 1. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P0461-00 - Fuel Level Sensor "A" Circuit Range/Performance. **(In Active or Stored status)** ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. **(In Active or Stored status)** ● P0604

  Associated Products (2)

  2023 Jeep Grand Wagoneer2023 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030253-0001.pdf↗
• March 21, 2026•Document ID: 11030252

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-042-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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 - 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). ● 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). ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance (in active or stored status). ● P00F3-00 - Humidity Sensor Circuit Range - Pe

  Associated Products (2)

  2024 Jeep Grand Wagoneer2024 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030252-0001.pdf↗
• March 21, 2026•Document ID: 11030251

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-041-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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): ● **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). ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance (In Active or Stored status). ● P00F3-00 - Humidity Sensor Circuit Range - Performance (In Active or Stored status). ● P0604-00 - Internal Control Module Random Access Memory RAM Error (In Active or Stored status). ● P060C-00 - Internal Control Module Main Processor Performance (In Active or Stored status). ● P0300 - Mul

  Associated Products (2)

  2023 Jeep Grand Wagoneer2023 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030251-0001.pdf↗
• March 21, 2026•Document ID: 11030250

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-040-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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): ● **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). ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off (In Active or Stored status). ● P05BD-00 - Stop-Start Mode Switch Range/Performance (In Active or Stored status). ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance (In Active or Stored status). ● P062B-00 - Internal Control Module Fuel Injector Control Performance (In Active or Stored status). ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance (In Active or Stored status). ● P0604-00 - Internal Control Module Random Access Memory RAM Error (In Active or Stored status). ● P060C-00 - Internal Control Module Main Processor Performance (In Active or Stored status). ● U0104-00 - Lost Communication With Cruise Control Module **(In Active or Stored status)**. **Customers may also comment on the following:** ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** This bulletin involves reprogramming the PCM with the latest available software.

  Associated Products (2)

  2022 Jeep Grand Wagoneer2022 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030250-0001.pdf↗
• March 21, 2026•Document ID: 11030238

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-123-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Instrument Panel Cluster (IPC) Heads Up Display (HUD) Failure The vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): SYMPTOM: ● B12B5-49 - Head Up Display Module-Internal Electronic Failure. Customers may experience the following: ● Audible ringing noise coming from the instrument panel around the HUD module area when on. s are to be made at this time. Once available, new PN 68613172AG will have the solution. A SW update is not available to the HUD module. POLICY: Information Only.

  Associated Products (2)

  2026 Jeep Grand Wagoneer2026 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030238-0001.pdf↗
• March 21, 2026•Document ID: 11030229

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-044-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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): ● **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) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P0604-00 - Internal Control Module Random Access Memory Ram Error. (In Active or Stored status) ● P060C-00 - Internal Control Module Main Processor Performance. (In Active or Stored status)** ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/performance. **(In Active or Stored status)** ● P1CEA-00 - Boost Side EVAP Purge System Performance. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. **(In Active or Stored status)** ● P0300-00 - Multiple Cylinder Misfire. **(In Active or Stored status)** Customers may also experience one or more of the following: ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** ● Fully Autonomous Parking Assist (FAPA) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi

  Associated Products (133)

  2026 Chrysler Pacifica2026 Chrysler Voyager2026 Dodge Durango2026 Jeep Cherokee2026 Jeep Compass2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2026 Jeep Wagoneer S2026 Jeep Wrangler2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Chrysler Pacifica2025 Chrysler Voyager2025 Dodge Durango2025 Jeep Compass+ 113 more
  Associated Documents

  • DownloadMC-11030229-0001.pdf↗
• March 21, 2026•Document ID: 11030228

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-043-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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): ● **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) ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off. (In Active or Stored status) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance. (In Active or Stored status)** ● 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)** ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking Bank 1. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P0461-00 - Fuel Level Sensor "A" Circuit Range/Performance. **(In Active or Stored status)** ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. **(In Active or Stored status)** ● P0604

  Associated Products (2)

  2023 Jeep Grand Wagoneer2023 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030228-0001.pdf↗
• March 21, 2026•Document ID: 11030227

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-042-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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 - 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). ● 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). ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance (in active or stored status). ● P00F3-00 - Humidity Sensor Circuit Range - Pe

  Associated Products (2)

  2024 Jeep Grand Wagoneer2024 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030227-0001.pdf↗
• March 21, 2026•Document ID: 11030226

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-041-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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): ● **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). ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance (In Active or Stored status). ● P00F3-00 - Humidity Sensor Circuit Range - Performance (In Active or Stored status). ● P0604-00 - Internal Control Module Random Access Memory RAM Error (In Active or Stored status). ● P060C-00 - Internal Control Module Main Processor Performance (In Active or Stored status). ● P0300 - Mul

  Associated Products (2)

  2023 Jeep Grand Wagoneer2023 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030226-0001.pdf↗
• March 21, 2026•Document ID: 11030225

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-040-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Flash: 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): ● **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). ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off (In Active or Stored status). ● P05BD-00 - Stop-Start Mode Switch Range/Performance (In Active or Stored status). ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance (In Active or Stored status). ● P062B-00 - Internal Control Module Fuel Injector Control Performance (In Active or Stored status). ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance (In Active or Stored status). ● P0604-00 - Internal Control Module Random Access Memory RAM Error (In Active or Stored status). ● P060C-00 - Internal Control Module Main Processor Performance (In Active or Stored status). ● U0104-00 - Lost Communication With Cruise Control Module **(In Active or Stored status)**. **Customers may also comment on the following:** ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** This bulletin involves reprogramming the PCM with the latest available software.

  Associated Products (2)

  2022 Jeep Grand Wagoneer2022 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030225-0001.pdf↗
• March 21, 2026•Document ID: 11030213

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  08-123-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Instrument Panel Cluster (IPC) Heads Up Display (HUD) Failure The vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): SYMPTOM: ● B12B5-49 - Head Up Display Module-Internal Electronic Failure. Customers may experience the following: ● Audible ringing noise coming from the instrument panel around the HUD module area when on. s are to be made at this time. Once available, new PN 68613172AG will have the solution. A SW update is not available to the HUD module. POLICY: Information Only.

  Associated Products (2)

  2026 Jeep Grand Wagoneer2026 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030213-0001.pdf↗
• March 19, 2026•Document ID: 11030266

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SEATS

  Mfr Comm. #:

  S2608000015

  Date Added:

  March 25, 2026

  Manufacturer:

  RAM

  Summary

  Memory Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from the Switch Diagnostic Trouble Code (DTC) B1D9B-54- Seat Horizontal Front Stop Not Learned-Missing Calibration

  Associated Products (45)

  2026 Dodge Durango2026 Jeep Grand Cherokee2026 Jeep Grand Cherokee L2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2026 Ram 15002026 Ram 25002026 Ram 35002026 Ram 45002026 Ram 55002025 Dodge Durango2025 Jeep Grand Cherokee2025 Jeep Grand Cherokee L2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2025 Ram 15002025 Ram 25002025 Ram 35002025 Ram 45002025 Ram 5500+ 25 more
  Associated Documents

  • DownloadMC-11030266-0001.pdf↗
• March 19, 2026•Document ID: 11030248

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  09-006-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Blocked Make-Up Air (MUA) Solenoid Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P051B-00 - Crankcase Pressure Sensor Circuit Range/performance. This bulletin involves replacing the clean air duct assembly.

  Associated Products (3)

  2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2026 Ram 1500
  Associated Documents

  • DownloadMC-11030248-0001.pdf↗
• March 19, 2026•Document ID: 11030223

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  09-006-26

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Blocked Make-Up Air (MUA) Solenoid Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P051B-00 - Crankcase Pressure Sensor Circuit Range/performance. This bulletin involves replacing the clean air duct assembly.

  Associated Products (3)

  2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2026 Ram 1500
  Associated Documents

  • DownloadMC-11030223-0001.pdf↗
• March 18, 2026•Document ID: 11030265

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  S2219000004 REV.A

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Service Electric Power Steering Message On Cluster. C0051-54 Steering Wheel Position Sensor Calibration, C0051-64 Steering Angle Set.

  Associated Products (10)

  2026 Jeep Grand Wagoneer2026 Jeep Wagoneer2025 Jeep Grand Wagoneer2025 Jeep Wagoneer2024 Jeep Grand Wagoneer2024 Jeep Wagoneer2023 Jeep Grand Wagoneer2023 Jeep Wagoneer2022 Jeep Grand Wagoneer2022 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030265-0001.pdf↗
• March 18, 2026•Document ID: 11030256

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  9100203 Rev 3

  Date Added:

  March 25, 2026

  Manufacturer:

  JEEP

  Summary

  Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract.

  Associated Products (6)

  2024 Jeep Grand Wagoneer2024 Jeep Wagoneer2023 Jeep Grand Wagoneer2023 Jeep Wagoneer2022 Jeep Grand Wagoneer2022 Jeep Wagoneer
  Associated Documents

  • DownloadMC-11030256-0001.pdf↗