Ram 4500 Service Bulletins (2020)

569 manufacturer communications on file.

• June 28, 2023•Document ID: 10241129

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

  Mfr Comm. #:

  2308023

  Date Added:

  August 21, 2023

  Manufacturer:

  RAM

  Summary

  Intermittently Poor HVAC Performance Customers may comment on the following: ? Intermittently the HVAC blow feel/output maybe reduced. This issue only happens in temperature that are just below freezing and snowing. This bulletin involves removing the right side rubber flaps from the cowl baffles.

  Associated Products (10)

  2023 Ram 45002023 Ram 55002022 Ram 45002022 Ram 55002021 Ram 45002021 Ram 55002020 Ram 45002020 Ram 55002019 Ram 45002019 Ram 5500
  Associated Documents

  • DownloadMC-10241129-0001.pdf↗
• June 9, 2023•Document ID: 10241074

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

  Mfr Comm. #:

  0814023

  Date Added:

  August 21, 2023

  Manufacturer:

  JEEP

  Summary

  Radio Over The Air JR34.41F Updating to JR34.42F Software Version ? Mobile WiFi inoperative upon start up. ? WiFi hotspot gives ?No Internet? connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from JR34.41F to JR34.42F. NOTE: The National campaign for this FOTA update launched July 5, 2023.

  Associated Products (16)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Jeep Cherokee2020 Jeep Compass2020 Jeep Gladiator2020 Jeep Grand Cherokee2020 Jeep Renegade2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002020 Ram 5500
  Associated Documents

  • DownloadMC-10241074-0001.pdf↗
• May 26, 2023•Document ID: 10239980

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  1806823

  Date Added:

  July 31, 2023

  Manufacturer:

  RAM

  Summary

  Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P1404 - EGR Position Sensor Rationality Closed. ? P2457 - Exhaust Gas Recirculation Cooling System Performance. NOTE: P1404 - EGR Position Sensor Rationality Closed DTC can be erroneously set when P2457 -Exhaust Gas Recirculation Cooling System Performance DTC is set. In addition, the customer may notice one or more of the following conditions: ? **Power Take Off (PTO) disable to high engine oil temperature (DD DP with DF3 Only).** ? In PTO mode, transmission gear engagement is abrupt and idle speed is high when transitioning From Park To Drive/Reverse Gear. This bulletin involves reprogramming the PCM with the latest available software.

  Associated Products (3)

  2020 Ram 35002020 Ram 45002020 Ram 5500
  Associated Documents

  • DownloadMC-10239980-0001.pdf↗
• May 24, 2023•Document ID: 10240002

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  BulletinA

  Date Added:

  July 31, 2023

  Manufacturer:

  CHRYSLER

  Summary

  Customer Satisfaction Notification ZD7 - Radio Software Update

  Associated Products (62)

  2022 Jeep Commander2021 Chrysler 3002021 Chrysler Pacifica2021 Chrysler Voyager2021 Dodge Challenger2021 Dodge Charger2021 Dodge Durango2021 Jeep Cherokee2021 Jeep Compass2021 Jeep Gladiator2021 Jeep Grand Cherokee2021 Jeep Wrangler2021 Ram 15002021 Ram 25002021 Ram 35002021 Ram 45002021 Ram 55002020 Chrysler 3002020 Chrysler Pacifica2020 Chrysler Voyager+ 42 more
  Associated Documents

  • DownloadMC-10240002-0001.pdf↗
• May 18, 2023•Document ID: 10240004

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

  Mfr Comm. #:

  S238A000024

  Date Added:

  July 31, 2023

  Manufacturer:

  CHRYSLER

  Summary

  SOS, Assistance Calls Not Successful After Radio Replacement or Radio Software Update

  Associated Products (79)

  2023 Chrysler 3002023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Jeep Cherokee2023 Jeep Gladiator2023 Jeep Renegade2023 Jeep Wrangler2023 Ram 15002022 Chrysler 3002022 Chrysler Voyager2022 Dodge Challenger2022 Dodge Charger2022 Jeep Cherokee2022 Jeep Gladiator2022 Jeep Grand Cherokee2022 Jeep Renegade2022 Jeep Wrangler2022 Ram 15002021 Chrysler 300+ 59 more
  Associated Documents

  • DownloadMC-10240004-0001.pdf↗
• May 18, 2023•Document ID: 10239957

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  0700723

  Date Added:

  July 31, 2023

  Manufacturer:

  JEEP

  Summary

  Water Quality When Mixed With Engine Coolant

  Associated Products (297)

  2024 Alfa Romeo Stelvio2024 Alfa Romeo Tonale2024 Dodge Hornet2024 Jeep Cherokee2024 Jeep Grand Cherokee2024 Jeep Grand Wagoneer2024 Jeep Wagoneer2024 Jeep Wrangler2024 Ram 15002024 Ram 25002024 Ram 35002024 Ram 45002024 Ram 55002023 Alfa Romeo Stelvio2023 Alfa Romeo Tonale2023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger+ 277 more
  Associated Documents

  • DownloadMC-10239957-0001.pdf↗
• April 25, 2023•Document ID: 10236969

  Service Bulletin/Repair Instructions
  VISIBILITY:REARVIEW MIRRORS/DEVICES

  Mfr Comm. #:

  9100142

  Date Added:

  May 30, 2023

  Manufacturer:

  JEEP

  Summary

  Mirror

  Associated Products (111)

  2023 Alfa Romeo Stelvio2023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Jeep Cherokee2023 Jeep Commander2023 Jeep Compass2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Grand Wagoneer2023 Jeep Renegade2023 Jeep Wagoneer2023 Jeep Wrangler2023 Ram 15002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 5500+ 91 more
  Associated Documents

  • DownloadMC-10236969-0001.pdf↗
• April 22, 2023•Document ID: 10236873

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2208000080

  Date Added:

  May 30, 2023

  Manufacturer:

  RAM

  Summary

  Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High

  Associated Products (43)

  2023 Jeep Grand Cherokee2023 Jeep Wrangler2023 Ram 15002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 55002022 Jeep Grand Cherokee2022 Ram 15002022 Ram 25002022 Ram 35002022 Ram 45002022 Ram 55002021 Ram 15002021 Ram 25002021 Ram 35002021 Ram 45002021 Ram 55002020 Ram 15002020 Ram 2500+ 23 more
  Associated Documents

  • DownloadMC-10236873-0001.pdf↗
• April 20, 2023•Document ID: 10236871

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S2223000063

  Date Added:

  May 30, 2023

  Manufacturer:

  RAM

  Summary

  Ambient Temperature Sensor Servicing.

  Associated Products (49)

  2023 Jeep Compass2023 Jeep Grand Cherokee2023 Jeep Grand Wagoneer2023 Jeep Wagoneer2023 Ram 15002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 55002022 Dodge Durango2022 Jeep Compass2022 Jeep Grand Wagoneer2022 Jeep Wagoneer2022 Ram 15002022 Ram 25002022 Ram 35002022 Ram 45002022 Ram 55002021 Dodge Durango2021 Ram 1500+ 29 more
  Associated Documents

  • DownloadMC-10236871-0001.pdf↗
• April 15, 2023•Document ID: 10236935

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  1400323

  Date Added:

  May 30, 2023

  Manufacturer:

  RAM

  Summary

  Diesel Exhaust Fluid (DEF) Fluid Freezing Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: ? P203E-00 - Reductant Level Sensor 1 Circuit Intermittent-Erratic. This bulletin involves replacing the urea delivery module and grade vent valve and updating the Dosing Control Unit (DCU) software.

  Associated Products (24)

  2022 Chrysler 3002022 Dodge Challenger2022 Dodge Charger2022 Ram 25002022 Ram 35002022 Ram 45002022 Ram 55002021 Chrysler 3002021 Dodge Challenger2021 Dodge Charger2021 Ram 25002021 Ram 35002021 Ram 45002021 Ram 55002020 Dodge Challenger2020 Dodge Charger2020 Ram 25002020 Ram 35002020 Ram 45002020 Ram 5500+ 4 more
  Associated Documents

  • DownloadMC-10236935-0001.pdf↗
• April 15, 2023•Document ID: 10236933

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  1804823

  Date Added:

  May 30, 2023

  Manufacturer:

  JEEP

  Summary

  wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK

  Associated Products (296)

  2023 Alfa Romeo Stelvio2023 Alfa Romeo Tonale2023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Dodge Hornet2023 Jeep Cherokee2023 Jeep Commander2023 Jeep Compass2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Grand Wagoneer2023 Jeep Renegade2023 Jeep Wagoneer2023 Jeep Wrangler2023 Ram 15002023 Ram 25002023 Ram 3500+ 276 more
  Associated Documents

  • DownloadMC-10236933-0001.pdf↗
• February 28, 2023•Document ID: 10247965

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  S1808000152

  Date Added:

  January 2, 2024

  Manufacturer:

  RAM

  Summary

  CEL (Check Engine Lamp) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes (DTCs) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042-54 Brake Pedal Missing Calibration

  Associated Products (39)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Dodge Journey2020 Jeep Grand Cherokee2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002020 Ram 55002019 Chrysler 3002019 Chrysler Pacifica2019 Dodge Challenger2019 Dodge Charger2019 Dodge Durango2019 Dodge Journey2019 Jeep Grand Cherokee+ 19 more
  Associated Documents

  • DownloadMC-10247965-0001.pdf↗
• February 28, 2023•Document ID: 10234438

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

  Mfr Comm. #:

  S1808000152

  Date Added:

  April 17, 2023

  Manufacturer:

  CHRYSLER

  Summary

  CEL (Check Engine Lamp) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes (DTCs) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042-54 Brake Pedal Missing Calibration

  Associated Products (39)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Dodge Journey2020 Jeep Grand Cherokee2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002020 Ram 55002019 Chrysler 3002019 Chrysler Pacifica2019 Dodge Challenger2019 Dodge Charger2019 Dodge Durango2019 Dodge Journey2019 Jeep Grand Cherokee+ 19 more
  Associated Documents

  • DownloadMC-10234438-0001.pdf↗
• February 15, 2023•Document ID: 10247953

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S228A000028

  Date Added:

  January 2, 2024

  Manufacturer:

  JEEP

  Summary

  Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw

  Associated Products (77)

  2023 Chrysler 3002023 Dodge Challenger2023 Dodge Charger2023 Jeep Gladiator2023 Jeep Renegade2023 Jeep Wrangler2023 Ram 15002022 Chrysler 3002022 Dodge Challenger2022 Dodge Charger2022 Jeep Gladiator2022 Jeep Grand Cherokee2022 Jeep Renegade2022 Jeep Wrangler2022 Ram 15002022 Ram 25002022 Ram 35002022 Ram 45002022 Ram 55002021 Chrysler 300+ 57 more
  Associated Documents

  • DownloadMC-10247953-0001.pdf↗
• February 15, 2023•Document ID: 10234424

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S228A000028

  Date Added:

  April 17, 2023

  Manufacturer:

  JEEP

  Summary

  Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw

  Associated Products (73)

  2023 Dodge Challenger2023 Dodge Charger2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Renegade2023 Jeep Wrangler2022 Chrysler 3002022 Dodge Challenger2022 Dodge Charger2022 Jeep Cherokee2022 Jeep Gladiator2022 Jeep Grand Cherokee2022 Jeep Renegade2022 Jeep Wrangler2021 Chrysler 3002021 Dodge Challenger2021 Dodge Charger2021 Jeep Cherokee2021 Jeep Compass2021 Jeep Gladiator+ 53 more
  Associated Documents

  • DownloadMC-10234424-0001.pdf↗
• February 14, 2023•Document ID: 10234420

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  S1408000384

  Date Added:

  April 17, 2023

  Manufacturer:

  RAM

  Summary

  Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On

  Associated Products (247)

  2023 Alfa Romeo Stelvio2023 Chrysler 3002023 Chrysler Pacifica2023 Chrysler Voyager2023 Dodge Challenger2023 Dodge Charger2023 Jeep Commander2023 Jeep Compass2023 Jeep Gladiator2023 Jeep Grand Cherokee2023 Jeep Grand Wagoneer2023 Jeep Renegade2023 Jeep Wagoneer2023 Jeep Wrangler2023 Ram 15002023 Ram 25002023 Ram 35002023 Ram 45002023 Ram 55002022 Alfa Romeo Stelvio+ 227 more
  Associated Documents

  • DownloadMC-10234420-0001.pdf↗
• February 10, 2023•Document ID: 10248014

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  0804523

  Date Added:

  January 2, 2024

  Manufacturer:

  RAM

  Summary

  Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 34.4 to 34.42.

  Associated Products (16)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Jeep Cherokee2020 Jeep Compass2020 Jeep Gladiator2020 Jeep Grand Cherokee2020 Jeep Renegade2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002020 Ram 5500
  Associated Documents

  • DownloadMC-10248014-0001.pdf↗
• February 10, 2023•Document ID: 10234487

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  0804523

  Date Added:

  April 17, 2023

  Manufacturer:

  DODGE

  Summary

  Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 34.4 to 34.42.

  Associated Products (16)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Jeep Cherokee2020 Jeep Compass2020 Jeep Gladiator2020 Jeep Grand Cherokee2020 Jeep Renegade2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002020 Ram 5500
  Associated Documents

  • DownloadMC-10234487-0001.pdf↗
• January 31, 2023•Document ID: 10231815

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  08-038-23

  Date Added:

  February 13, 2023

  Manufacturer:

  CHRYSLER

  Summary

  Radio Over The Air JR34.3 Updating to JR34.32.Software Version Customers may experience one or more of the following: Not be able to use Mobile Wi-Fi upon start up. Hotspot gives a no Internet connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from JR34.3 to JR34.32. NOTE: National launch for this FOTA update is expected to begin February 20, 2023.

  Associated Products (29)

  2020 Chrysler 3002020 Chrysler Pacifica2020 Dodge Challenger2020 Dodge Charger2020 Dodge Durango2020 Jeep Cherokee2020 Jeep Compass2020 Jeep Gladiator2020 Jeep Grand Cherokee2020 Jeep Renegade2020 Jeep Wrangler2020 Ram 15002020 Ram 25002020 Ram 35002020 Ram 45002019 Chrysler 3002019 Chrysler Pacifica2019 Dodge Challenger2019 Dodge Charger2019 Dodge Durango+ 9 more
  Associated Documents

  • DownloadMC-10231815-0001.pdf↗
• January 24, 2023•Document ID: 10231792

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  08-022-23

  Date Added:

  February 13, 2023

  Manufacturer:

  JEEP

  Summary

  Radio Over The Air Updating to 40.12 Software Version Mobile Wi-Fi inoperative upon start up. Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 39.5 to 40.12.

  Associated Products (37)

  2022 Chrysler 3002022 Dodge Challenger2022 Dodge Charger2022 Jeep Cherokee2022 Jeep Gladiator2022 Jeep Grand Cherokee2022 Jeep Renegade2022 Jeep Wrangler2022 Ram 15002021 Chrysler 3002021 Dodge Challenger2021 Dodge Charger2021 Jeep Cherokee2021 Jeep Compass2021 Jeep Gladiator2021 Jeep Grand Cherokee2021 Jeep Renegade2021 Jeep Wrangler2021 Ram 15002021 Ram 2500+ 17 more
  Associated Documents

  • DownloadMC-10231792-0001.pdf↗