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Service bulletins for the 2020 Ram 1500

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.

1228 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
S21190000012021-02-16. Service bulletin. STEERING. Click Pop Creak Noise While Turning Steering Wheel
S2108000006 Rev.2021-02-16. Service bulletin. ELECTRICAL SYSTEM. Cluster Speedometer Digital Value Appears Slightly Discolored
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
S1923000026 Rev.2021-02-16. Service bulletin. STRUCTURE. Water Leak At A Pillar Onto Floor
S21080000092021-02-16. Service bulletin. LATCHES/LOCKS/LINKAGES. RKE Does Not Unlock The Doors After A Remote Start Event
S21080000062021-02-16. Service bulletin. EQUIPMENT. Cluster Speedometer Digital Value Appears Slightly Discolored
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
S21230000012021-02-16. Service bulletin. WHEELS. Rear Wheel Spat Has A Gap Or Appears Loose
S20080001932021-02-16. Service bulletin. SEAT BELTS. Air Bag Warning Lamp Illuminates, DTC B007F-2B Passenger Seat Belt Pretensioner Circuit
90043462021-02-16. Service bulletin. STRUCTURE. MOLDING, Day light opening If the complaint for this part is coming loose or pulling away from the door please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the part condition and an overall picture of the affected door/area and send them to FCA Redacted Content.
90043452021-02-16. Service bulletin. ENGINE AND ENGINE COOLING. COOLER, EGR If you are replacing the high pressure EGR cooler (p/n 68490113A$) for a suspected internal coolant leak that was detected by wetness in the EGR pipe or valve, please perform proper cooling system pressure test first to verify the leak. Refer to all published service information regarding Cooling Diagnosis and Testing (LEAK TESTING) before proceeding.
90043432021-02-16. Service bulletin. SERVICE BRAKES, HYDRAULIC. VALVE, HIGH PRESSURE EGR If you are replacing the high pressure EGR valve (68490212A$) due to DTC P0407 or P0408 please refer to all published service information regarding proper diagnosis before proceeding. These DTCs are for the low pressure EGR system.
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.
90040392021-02-16. Service bulletin. WHEELS. Spat, Wheel Well Splash Shield If replacing this for a warrantable concern, prior to removal of the Spat, please contact FCA Redacted Content by phone at FCA Redacted Content. If no response within 15 minutes. Please take pictures and highlight the area concern; email pictures to FCA Redacted Content.
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.
05-004-202020-12-28. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SERVICE BRAKES. Rear Brake (Moan) Noise This bulletin involves installing a rear brake anti-moan kit. The customer may comment on the following: A low frequency moan or howl noise from the rear brakes, primarily in cold/humid conditions, typically on the first brake stop in forward or reverse, after vehicle has been sitting for lengthy periods of time (cold brakes).
05-003-202020-12-28. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. Brake Pedal with Booster Service This bulletin is informing the technician that when servicing the brake pedal or the brake booster both components need to be serviced together.
08-100-202020-12-28. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Incorrect Starter Motor Installed This bulletin involves inspecting and possible replacement of the starter motor, for a whining noise upon vehicle start up. The customer may hear a whining noise coming from the start motor when the vehicle is started.
S1908000102 Rev.2020-12-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. (Rev. A) Audio Mute On All Sources Except AM
S2008000126 Rev.2020-12-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. (Rev. B) RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start
S1923000044 Rev.2020-12-28. Service bulletin. STRUCTURE:FRAME AND MEMBERS; EQUIPMENT. (Rev. D) Dust Intrusion Or Air Leak In Cab
S20080001722020-12-28. Service bulletin. ELECTRICAL SYSTEM. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
S1925000008 Rev.2020-12-28. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES; FUEL SYSTEM, GASOLINE. (Rev. B) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
S1625000005 Rev.2020-12-28. Service bulletin. EQUIPMENT; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. (Rev. A) Malfunction Indicator Light (MIL) Illuminated. Service Diesel Exhaust Fluid (DEF) System ? See Dealer Soon Message on Electronic Vehicle Information Center (EVIC) Along With Possible Diagnostic Trouble Code (DTC) P241D - SCR Inducement - Forced Engine Shutdown.
S20080001712020-12-28. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC Blower Motor Operates Intermittently Or Changes Speeds

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