WenmarOpen by Wenmar Pro

Service bulletins for the 2021 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
S21080000982021-05-24. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Radio Screen Freeze, Blank Screen And Reset
S21240000032021-05-24. Service bulletin. AIR BAGS. A/C Performance Not As Hot/Cold On Driver Side - DTC's B11CB-92, B11CB-11
S1924000019 Rev.2021-05-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
S2008000113 Rev.2021-05-24. Service bulletin. POWER TRAIN. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle, Intermittent Key Not Detected Message
S21080000932021-05-24. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; EQUIPMENT. Apple CarPlay Does Not Work Or Not Connecting
S1917000002 Rev.2021-05-24. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SUSPENSION. ASCM U0132 Loss Of Communication With Suspension Control Module (IPC) DTC
S1823000029 Rev.2021-05-24. Service bulletin. STRUCTURE. Water Leak Carpet Wet At Front And Or Rear Seats
90043672021-05-24. Service bulletin. VEHICLE SPEED CONTROL; EQUIPMENT; SEATS. LATCH, Storage Bin Lid (Rambox) If the Rambox storage bin lid latch is being replaced for the lid not opening or latching properly, replace the latch and lid assembly with all of the sub components instead of just replacing the latch only. Do not replace the Rambox. Please ship all the replaced components to QEC. Please contact FCA Redacted Content or FCA Redacted Content to set up the part return to QEC. If no response in 15 minutes, proceed with repair.
08-029-21 REV. A2021-04-26. Service bulletin. VEHICLE SPEED CONTROL; AIR BAGS; VISIBILITY; ELECTRICAL SYSTEM. Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B18BA-12 - Window Control - Circuit Short to Battery B18BA-13 - Window Control - Circuit Open In addition the customer may notice one or more of the following: Driver and/or passenger windows stop working. If the window switch is held in the up position for at least two seconds,the obstruction auto-down function may not work. Windows may go up slower than expected.
08-052-212021-04-26. Service bulletin. SEAT BELTS; ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RF-HUB) Updates This bulletin involves reprogramming the RF-HUB with the latest software available. The customer may experience the following:The key fob won't unlock the doors while the vehicle is running and after a remote start.
22-001-212021-04-26. Service bulletin. WHEELS. Incorrect Rear Wheel Center Cap Installed This bulletin involves inspecting and replacement of the rear wheel center caps,if required. The customer/dealer may notice: The center caps on the rear wheels are chrome but they should be black.
S1923000015 Rev.2021-04-26. Service bulletin. POWER TRAIN. Transmission Column Shifter Lever Feels Loose
S1723000001 Rev.2021-04-26. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
S1809000007 Rev.2021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include engine oil leak/consumption.
S21080000802021-04-26. Service bulletin. EQUIPMENT. Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
S1924000019 Rev.2021-04-26. Service bulletin. STRUCTURE. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
S1808000097 Rev.2021-04-26. Service bulletin. BACK OVER PREVENTION. Back Up Camera Inoperative Complaints, Radio Display Blue Or Blank When Placed In Reverse
S21080000692021-04-26. Service bulletin. EQUIPMENT. SXM Channels Inoperative Above Channel 450
90040172021-04-26. Service bulletin. BACK OVER PREVENTION. CAMERA, Rear View For concerns of back up camera flicker/blank/blue/black screen or camera inop, please ensure Radio is at latest software level. After update, system requires three sleep cycles to function properly. Please verify camera LVDS- Low-Voltage Differential Signaling cable connection at camera and radio head unit. Also verify harness connection between high mounted stop lamp and body harness for bent pins or loose connection at XY310A, XY485A inlines. Please create and send a copy of the vehicle scan report and specify radio SW version and radio head unit ID toFCA Redacted Content or call FCA Redacted Content for any additional questions or assistance needed. If no response in 15 minutes, proceed with repair. Please be sure to attach a copy of the Vehicle Scan Report on the repair order.
S21080000522021-03-15. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; ELECTRICAL SYSTEM. Heated Seat LED Indicator Turns On And Back Off. One Or More Heated Seat DTC?s
S2008000042 Rev.2021-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Display Is Black After Replacing The Rear View Camera
S21080000452021-03-15. Service bulletin. EQUIPMENT:ELECTRICAL. Favorite Song On-Air Alert List Empty
S21080000432021-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT; BACK OVER PREVENTION. Backup Camera has Black Screen with ?Check Entire Surroundings? Message
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

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