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Service bulletins for the 2020 Ram 3500

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
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.
21-004-212021-02-16. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may comment on one or more of the following:Poor shift quality. Shift or gear hunting.
21-003-212021-02-16. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may comment on one or more of the following:Poor shift quality. Shift or gear hunting.
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
S21080000092021-02-16. Service bulletin. LATCHES/LOCKS/LINKAGES. RKE Does Not Unlock The Doors After A Remote Start Event
S21080000032021-02-16. Service bulletin. LANE DEPARTURE; STEERING. Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change
90043422021-02-16. Service bulletin. VISIBILITY. WINDSHIELD Windshield cracked or blemish. When customer comes in for a cracked windshield, please note the location of crack and take pictures before repair. Please send pictures to FCA Redacted Content or load to the warranty claims system.
24-001-202020-12-28. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC Housing Service This bulletin informing the Technician about an HVAC housing redesign with components that need to be serviced together when servicing the HVAC housing. Customers may experience the following: Poor Air conditioning system performance (Slow or excess time to cool down). HVAC is slow to cool, left center instrument panel outlet is warmer than right side instrument panel outlets.
08-101-202020-12-28. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE; ELECTRICAL SYSTEM. Heating, Ventilation and Air Conditioning (HVAC) Controls Inoperative This bulletin involves replacing the HVAC module. Customers may experience not being able to change the HVAC modes, both on the radios display or HVAC controls.
14-002-202020-12-28. Service bulletin. FUEL SYSTEM, GASOLINE; POWER TRAIN:AUTOMATIC TRANSMISSION. 50 Gallon Fuel Tank Reconfiguration This bulletin involves inspecting the Powertrain Control Module (PCM) configuration data and performing the enable 50 gallon tank routine in wiTECH. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P0461 - Fuel Level Sensor 1 Performance(Set in the Powertrain Control Module (PCM)).
W39 Combo Rev12020-12-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Customer Satisfaction Notification W39 Bed Step
703272020-12-28. Service bulletin. FUEL SYSTEM, GASOLINE. Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine - 2019 & 2020 HD Ram & Fuel Injection Pump - All Models (Rev. F)
S20210000062020-12-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. Transmission Slip/Flare During Shifts With No Diagnostic Trouble Codes (DTCs) Set. Manual Drive Learn Procedure.

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