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Service bulletins for the 2020 Ram 2500

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
S18080001522024-01-02. Service bulletin. SERVICE BRAKES. 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
S228A0000282024-01-02. Service bulletin. ELECTRICAL SYSTEM. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
Recall06A2023-10-30. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT:OTHER:LABELS. Emissions Recall 06A - Vehicle Emission Control Information Label
S22080000112023-10-30. Service bulletin. EQUIPMENT:ELECTRICAL. Wireless Qi Charger Not Charging
91002292023-10-30. Service bulletin. SUSPENSION. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
91002262023-10-30. Service bulletin. ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
931202023-10-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
930232023-10-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Bulletin D-16-03 - "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC (Rev. B)
S18080000972023-10-02. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; BACK OVER PREVENTION. Back-Up Camera Inoperative Complaints, Radio Display Blue or Blank When Placed in Reverse
S21080000932023-10-02. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; UNKNOWN OR OTHER. Apple CarPlay Does Not Work Or Not Connecting
S18080001522023-10-02. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL; BACK OVER PREVENTION. CEL (Check Engine Lamp) Illuminated, P057B Brake Pedal Position Sensor Performance
08183232023-09-25. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; BACK OVER PREVENTION:SOFTWARE. Radio Over The Air Updates LR34.4 to LR35.41 Customers may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? 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 version will be updated from LR34.4 to LR35.41 and the radio cell modem firmware level from MR5 to MR6. NOTE: National launch for this FOTA update is expected to begin August 16, 2023.
09013232023-09-25. Service bulletin. ENGINE AND ENGINE COOLING. 6.7L New Oil Usage Information Incorrect oil used. This bulletin provides information regarding the correct oil grade to use on the 6.7L Cummins used in the 2023 to 2013 HD Trucks. The following information is intended to eliminate confusion.
ZD72023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 - Radio Software update
S21090000112023-09-25. Service bulletin. ENGINE AND ENGINE COOLING. Squeak, Chirp, Or Tick Noise From The Serpentine Belt Area. Additional Diagnostics.
S22080000112023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL. Wireless Qi Charger Not Charging
91001962023-09-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used
90044332023-09-25. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM; SERVICE BRAKES; ELECTRICAL SYSTEM. PUMP, Vacuum For DTC Code P258B - ELECTRONIC VACUUM PUMP PERFORMANCE. Due to brake vacuum pumps returned with trouble not found, please follow the proper diagnostics outline in the service library this also includes checking all electrical and vacuum hose connections prior to replacement of the vacuum pump. This will avoid unnecessary repair and potential charge back on the vacuum pump.
08140232023-08-21. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. 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.
ReferenceZD72023-08-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 - Radio Software Update
S23230000202023-08-21. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY:STEP/LADDER. Power Side Steps Reverse, Stop In Motion, And/Or Do Not Deploy Or Stow
S238A0000242023-07-31. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. SOS, Assistance Calls Not Successful After Radio Replacement or Radio Software Update
BulletinA2023-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 - Radio Software Update
18067232023-07-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. . This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software.
07007232023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. Water Quality When Mixed With Engine Coolant

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