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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: Glass, wipers and mirrors are shown. Show all

Bulletins, newest first
960762024-07-02. Other. VISIBILITY/WIPER. MOTOR - WINDSHIELD WIPER & WIPERUNIT - WINDSHIELD WIPER
989272024-06-26. Other. VISIBILITY/WIPER. MOTOR - WINDSHIELD WIPER & WIPERUNIT - WINDSHIELD WIPER
23098232024-01-08. Service bulletin. STRUCTURE; VISIBILITY:GLASS, SIDE/REAR. Back Glass Water Leak Warranty Extension XL1 The customer may experience one or more of the following: ? A cracked backlite frame Fig. 1 resulting in an interior water leak (crack is visible to the customer). ? Water leak from at top of the backlite. This bulletin involves replacing the backlite.
934462024-01-08. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. FCA Caribbean Warranty Bulletin ID-23-21 (XL1) Backlite Select 2019 - 2021 RAM 1500 Pickup (DT)
934382024-01-08. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Warranty Bulletin D-23-17 (XL1) Backlite Select 2019 - 2021 RAM 1500 Pickup (DT)
24006232023-10-02. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change
S20230000372023-10-02. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; STRUCTURE:BODY:ROOF AND PILLARS; BACK OVER PREVENTION. Wind Whistle Noise From Dash A Pillar Area While Driving
24006232023-08-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change (Except Alfa Romeo Vehicles)
91001422023-05-30. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. Mirror
91001142023-05-30. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:AIR HANDLER/CHAMBER, DUCTS, AND VALVES; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Duct Assy Charge Air Cooler In If the seal is missing from inside a Henn connector, please search for the missing seal. It could have been pulled out while removal of the hose from the spigot if it was partially stuck to the spigot. It could have been blown into the hose or CAC. If that is the only concern with the CAC Hose Assembly, then replace the seal with a new replacement seal instead of replacing the entire hose assembly.
S1623000028 Rev.2023-02-13. Service bulletin. VEHICLE SPEED CONTROL; BACK OVER PREVENTION; POWER TRAIN; VISIBILITY; PARKING BRAKE. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S23230000042023-02-13. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Defogger Is Not Working. Terminal Detached From The Glass.
S22080001432023-01-17. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Driver And Passenger Window Make a Small Window Reversal After Stopping the Express Up Request at The Mid-way Point And Re-engaging The Express Up Request
S17230000012023-01-17. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
90043982023-01-17. Service bulletin. PARKING BRAKE; VISIBILITY. GLASS, Mirror Replacement If the glass is found loose or detached from the glass holder, please return the Mirror Assembly to QEC for analysis.
08086212023-01-17. Service bulletin. VISIBILITY; VEHICLE SPEED CONTROL; AIR BAGS; ELECTRICAL SYSTEM; POWER TRAIN. Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. This software is for vehicles on the RRT VIN List is to improve the function and reliability of the power windows operation.
S22230000632023-01-09. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Ambient Temperature Sensor Servicing.
S1923000052RevA2023-01-09. Service bulletin. VISIBILITY:WINDSHIELD. Wind Noise From Lower Center Windshield Area At Highway Speed
S22230000592023-01-09. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Rattle Squeak Noise From Sunroof Area
S2208000080RevA2023-01-09. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
S2224000001RevA2023-01-09. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Customer indicates AC does not blow cool air. Possible DTC B11FE-11 or B11FE-15 Variable Compressor Control Circuits.
S22230000702022-11-07. Service bulletin. VISIBILITY; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Exterior Mirror Lamp Service
S22080001622022-11-07. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Check Engine Lamp (CEL) on Diagnostic Trouble Codes (DTC?s) P0073 Ambient Air Temperature Sensor Circuit High, U113D-00 Lost Communication with Master Power Window Switch
S22230000632022-11-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Ambient Temperature Sensor Servicing.
S1923000052RevA2022-10-31. Service bulletin. VISIBILITY:WINDSHIELD. Wind Noise From Lower Center Windshield Area At Highway Speed

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