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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
S2018000007 Rev.2021-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Diagnostic Trouble Code (DTC) P0299 ? Turbocharger Underboost Additional Diagnostics
S21080000522021-03-15. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; ELECTRICAL SYSTEM. Heated Seat LED Indicator Turns On And Back Off. One Or More Heated Seat DTC?s
S2008000042 Rev.2021-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Display Is Black After Replacing The Rear View Camera
S21080000452021-03-15. Service bulletin. EQUIPMENT:ELECTRICAL. Favorite Song On-Air Alert List Empty
S21180000012021-03-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0471 ? Exhaust Pressure Sensor 1 Performance, Set.
S1625000007 Rev.2021-03-15. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P207F ? Reductant Quality Performance Set.
S2008000041 Rev.2021-03-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Device Not Supported Message On Radio Screen
S21240000012021-03-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. High Speed Blower Position Inoperable When Using Plow Controls.
S2024000003 Rev.2021-03-15. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT. Customer Indicates A Whistle Noise From Dash During Certain Driving Parameters.
90043512021-03-15. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES. PLATE - CLUTCH PRESSURE For 68RFE trans use selective fit pressure plates between the overdrive and reverse clutch packs and hence use all three 52119929A$, 52119930A$, 04799116A$ maintain clearance For 65RFE & 66RFE no selectives for this pressure plate: 65RFE use 04799116A$ 66RFE use 52119929A$
22-002-20 REV. A2021-03-01. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT. Tire Pressure Monitoring System (TPMS) Light On In Instrument Panel Cluster (IPC) This bulletin involves replacing and programing all Tire Pressure Monitor (TPM) Sensors. The customer may notice: The TPMS light illuminated in the instrument panel.
22-002-202021-03-01. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Tire Pressure Monitoring System (TPMS) Light On In Instrument Panel Cluster (IPC) This bulletin involves replacing and programing all Tire Pressure Monitor (TPM) Sensors. The customer may notice:The TPMS light illuminated in the instrument panel.
S20080001942021-03-01. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK; EQUIPMENT. The Doors Will Not Unlock Using The Fob After A Remote Start Event
S2008000182 Rev.2021-03-01. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Driver Or Passenger Power Windows Do Not Go Up Or Down
90043342021-03-01. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Power Window Regulator or Motor Owners may complain that the Driver and or Passenger Windows are inoperative. Technician may find DTC?s B18BA-12 - Window Control - Circuit Short to Battery, B18BA-13 - Window Control - Circuit Open (stored or active). Replace the DDM or PDM per detailed repair information in Service Library or reference Star Online Publlication S2008000182. Replacing regulators or motors will not correct this issue.
23-006-212021-02-16. Service bulletin. STRUCTURE:BODY:TAILGATE. Tailgate Cable Has Excessive Slack or is Loose This bulletin involves replacing one of the tailgate cables with a new tailgate service cable. The customer may comment on one or more of the following:One tailgate cable has too much slack or is loose. The tailgate cables are different lengths.
08-015-212021-02-16. Service bulletin. ELECTRICAL SYSTEM. Radio Enhancements This bulletin involves updating the radio software level to 1848.34. Customers may experience one or more of the following:Radio display screen flickers. Radio resets with RPM less than 1000 RPM (DT and JL with 3.0L Diesel). Clock loses 6 seconds per day (JL with 5 inch screen). Ghost Touch, features, modes and App?s changing without drivers input. Bluetooth pop noise. Pop message ?SXM Wait? displayed for extended period of time. The radio resets.
05-002-212021-02-16. Service bulletin. SERVICE BRAKES. Uneven Front Brake Pad Wear This bulletin involves inspecting the front brake pads for uneven wear and it involvesre-torquing front brake fasteners and checking for proper caliper slide action. The customer may comment on the following: Unusual noise when braking, likely a grinding noise as though pads are wornout.
S21080000222021-02-16. Service bulletin. ELECTRICAL SYSTEM. Service Trailer Brake Warning Message Displayed On The Cluster
S2018000005 Rev.2021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Code (DTC) P046C ? Exhaust Gas Recirculation Temperature Sensor ?A? Circuit Low Set.
S2021000006 Rev.2021-02-16. Service bulletin. POWER TRAIN. Transmission Slip/Flare During With No Diagnostic Trouble Codes (DTCs) Set. Manual Drive Learn Procedure.
S2108000009 Rev.2021-02-16. Service bulletin. LATCHES/LOCKS/LINKAGES. RKE Does Not Unlock The Doors After A Remote Start Event
S21090000012021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. Customer may complain of a MIL lamp on. Upon further investigation there could be a fault code in the PCM for P1524 ? Oil Pressure Out of Range ? Camshaft Advance/Retard Disabled.
S1709000010 Rev.2021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. Upon investigation, it may be found that there is excessive camshaft lobe wear/lifter wear (roller failure) on one or more cam lobes and that camshaft/lifter replacement is necessary.
S2108000003 Rev.2021-02-16. Service bulletin. ELECTRICAL SYSTEM; STEERING. Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change

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