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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

Bulletins, newest first
08230232023-12-18. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Over The Air Updating From QR39.6 to QR40.12 Software Version Customers may experience one or more of the following symptoms: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from QR39.6 to QR40.12. NOTE: National launch for this FOTA update is expected to begin November 06, 2023.
09019232023-12-18. Service bulletin. BACK OVER PREVENTION. Cold Engine Ticking Noise From Exhaust Manifold Area The customer may describe an ticking noise from the exhaust manifold location(s) when cold. This bulletin involves replacing the exhaust manifolds.
23098232023-12-18. Service bulletin. STRUCTURE. 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.
91002622023-12-18. Service bulletin. ELECTRICAL SYSTEM. SWITCH Headlamp Before replacing the Headlamp Switch, due to an issue on the I/P Dimmer. Please follow the next steps to corroborate if the Headlamp Switch is malfunctioning: 1.- Please disconnect and reconnect the headlamp Switch. And verify if the issue is corrected. 2.- Review the resistance value between Pins 6 & 3. The value should be around 5.74 KOhms, when in the lowest position to 311 ohms in the top position (Parade Detent). If a problem is found in the resistor values. Please replace the Switch.
91002472023-12-18. Service bulletin. BACK OVER PREVENTION; VEHICLE SPEED CONTROL. ERG Hydraulic Tensioner Before replacing any FEAD components, please check FEAD belt layout as per the engine sales code. Customer complaint may include a noise from under the hood described as a squeal, screech, squeak, chirp or belt-related noise and/or noisy tensioner/pulley. Please refer to SOL# S2309000007.
23098232023-10-30. Service bulletin. STRUCTURE. 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.
934462023-10-30. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT. FCA Caribbean Warranty Bulletin ID-23-21 (XL1) Backlite Select 2019 - 2021 RAM 1500 Pickup (DT)
934382023-10-30. Service bulletin. EQUIPMENT. Warranty Bulletin D-23-17 (XL1) Backlite Select 2019 - 2021 RAM 1500 Pickup (DT)
S22210000032023-10-30. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S23190000082023-10-30. Service bulletin. STEERING. Clicking Noise From Steering Column While Turning Steering Wheel.
S22080000112023-10-30. Service bulletin. EQUIPMENT:ELECTRICAL. Wireless Qi Charger Not Charging
S19230000442023-10-30. Service bulletin. STRUCTURE. Dust Intrusion Or Air Leak Into Cab
91002292023-10-30. Service bulletin. SUSPENSION. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
91002262023-10-30. Service bulletin. ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
91002122023-10-30. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. PUMP Water For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may be normal, but coolant should not be dripping from this location. If unsure about, use the Pressurized Coolant System Inspection process as found in the Dealer Connect Cooling Diagnosis and Testing Procedures.
24006232023-10-02. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change
18086232023-10-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.
931202023-10-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
930232023-10-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Bulletin D-16-03 - "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC (Rev. B)
S23070000022023-10-02. Service bulletin. ENGINE AND ENGINE COOLING. Suspected engine coolant leak.
S23080001102023-10-02. Service bulletin. ENGINE AND ENGINE COOLING. Check Engine Light On, P0113 Intake Air Temperature Sensor 1 Circuit High
S23080001022023-10-02. Service bulletin. SEATS; SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. The Heated Seats Do Not Meet The Customers Expectations
S23080001012023-10-02. Service bulletin. UNKNOWN OR OTHER; SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. The Replacement CSWM/HSM Sets DTC?s U1446-00, B1EB4-1B, B1EB3-1B, B11DC-13
S18080000972023-10-02. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; BACK OVER PREVENTION. Back-Up Camera Inoperative Complaints, Radio Display Blue or Blank When Placed in Reverse
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

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