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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
S21230000132022-09-26. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Sunroof And Or Sunshade Does Not Move
S210800006012022-09-26. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Service Park Assist Message Or Rear Park Assist Unavailable Message Displaying On The Cluster
S21080000622022-09-26. Service bulletin. SUSPENSION; ENGINE AND ENGINE COOLING. Rumbling, Rough Engine Vibration 1600 to1800, CEL (Check Engine Lamp) On, Cylinder Misfire DTC?s
S21210000022022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE; POWER TRAIN. Transmission Fluid Leak Inspection, Transmission Cooler Line Inspection
S21210000012022-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CVT. CV Boot Leak Inspection, Boot Inspection
S19080000412022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Check Engine Lamp On, DTC?s P0480 Cooling Fan Circuit Open Or U0465 Loss Communication With Active Air Dam
S21080000602022-09-26. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Service Park Assist Message Or Rear Park Assist Unavailable Message Displaying On The Cluster
S21080000502022-09-26. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Rear Back Up Camera Inoperative, DTC U0264-00 Lost Communication With Camera Module Rear
90040172022-09-26. Service bulletin. BACK OVER PREVENTION; VISIBILITY:REARVIEW MIRRORS/DEVICES. 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.
90043552022-09-26. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE, Complete If you are replacing the 3.0L Diesel engine assembly due to internal failure, the Diesel Engineering team is requesting more information regarding the repair. Please provide the following information to FCA Redacted Content and proceed with engine order. -Vehicle VIN -Vehicle Mileage -Symptoms and reason for engine replacement -STAR case # (if applicable) Someone from the Diesel Engineering team may respond back with further questions, requests for pictures, or provide a Fast track number if the symptomatic engine needs further analysis.
08072222022-09-26. Service bulletin. VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; STRUCTURE; SEATS. Race Cool Down Feature Inoperative This bulletin involves installing a hood latch, adding a hood latch switch jumper harness and a Body Control Module (BCM) Reconfiguration. Customers may experience: The ?Race Cool Down? feature does not work.One of the inputs the vehicle looks at for this feature to work properly, is the hood closed status. If the vehicle was built without remote start, the hood latch will not have a close switch in the latch. No Diagnostic Trouble Codes (DTCs) will set for this issue.
23014222022-09-26. Service bulletin. BACK OVER PREVENTION; PARKING BRAKE. Driver Side Seat incorrect fasteners This bulletin involves inspecting and if necessary replacing the driver?s side seattrack bolts. The customer may describe that the driver's side seat feels loose when adjusting and makes a rattling/clunk noise over bumps.
Y812022-09-26. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
S22080000822022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. Service 4WD Message Is Displayed In The Instrument Cluster
S21180000152022-09-26. Service bulletin. EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
S22080000802022-09-26. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. Ambient Air Temperature Missing, MIL Lamp On, DTC P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High
S22230000262022-09-26. Service bulletin. TIRES. Front Tire Rub On Fender Liner Splash Shield
S22080000732022-09-26. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; UNKNOWN OR OTHER. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S22080000112022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE; UNKNOWN OR OTHER. Wireless Qi Charger Not Charging
S17080001182022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER; UNKNOWN OR OTHER. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-09-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER. ?Device Not Supported? Message on the radio screen
S22090000022022-09-26. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S20230000372022-09-26. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; BACK OVER PREVENTION. Wind Whistle Noise From Dash A Pillar Area While Driving
S21230000592022-09-26. Service bulletin. AIR BAGS; STRUCTURE:BODY:ROOF AND PILLARS. Water Leak At Headliner Near Driver Microphone
S22080000582022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS; ELECTRICAL SYSTEM. AUX Switch ?Recall Last State?, ?Latching? or ?Momentary? Functions Are Not Remembered

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