WenmarOpen by Wenmar Pro

Service bulletins for the 2021 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.

1129 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
S20250000082021-03-01. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT. Excessive Diesel Exhaust Fluid (DEF) Consumption.
S2024000007 Rev.2021-03-01. Service bulletin. STRUCTURE:INTERIOR PANELS:DASHBOARD; EQUIPMENT ADAPTIVE/MOBILITY. Customer Indicates There Is A Whistle Noise After The Vehicle Is Turned Off.
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.
S21080000062021-02-16. Service bulletin. EQUIPMENT. Cluster Speedometer Digital Value Appears Slightly Discolored
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
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
S2025000001 Rev.2020-12-28. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT. (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
9004324 Rev. A2020-12-28. Service bulletin. STRUCTURE:BODY:DOOR; STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS; EQUIPMENT. SEAL, REAR DOOR GLASS RUN Loose, deformed and torn door seals. If the door seal in question is being ordered for any of these conditions please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the area identifying the door and seal affected as well as the VIN of the vehicle and email pictures to FCA Redacted Content.
S20080001832020-12-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. The Stop/Start (ESS) Off Switch Does Not Illuminate When Pressed
S2008000126 Rev.2020-12-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE. (Rev. B) RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start
S20080001722020-12-21. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
S20080001712020-12-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC Blower Motor Operates Intermittently Or Changes Speeds
9004324 Rev. A2020-12-21. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT. SEAL, REAR DOOR GLASS RUN Loose, deformed and torn door seals. If the door seal in question is being ordered for any of these conditions please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the area identifying the door and seal affected as well as the VIN of the vehicle and email pictures to FCA Redacted Content.
90043242020-12-21. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. SEAL, REAR DOOR GLASS RUN Loose, deformed and torn door seals. If the door seal in question is being ordered for any of these conditions please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the area identifying the door and seal affected as well as the VIN of the vehicle and email pictures to FCA Redacted Content
S20240000072020-11-30. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Customer Indicates There Is A Whistle Noise After The Vehicle Is Turned Off.
S2008000123 Rev.2020-10-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. (Revision B) Radio Resets While Driving Under 1000 RPM
90036372020-09-28. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT. USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android Auto or Apply Carplay functionality, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
90040182020-09-28. Service bulletin. EQUIPMENT. LAMP, Cargo (CHMSL) If the CHMSL is being replaced for a water leak, new screws should be used, refer to STAR parts for the latest screw PN Ensure the screws are tightened to 2.8 NM / 24" lbs.

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