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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
08086212022-05-31. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); ELECTRICAL SYSTEM:SOFTWARE. Flash: Driver Door Module DDM and Passenger Door Module PDM Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. Customers may notice: Exterior mirrors do not return to the original position after shifting out of reverse gear. Exterior mirrors continue to tilt downwards even after shifting out of reverse gear. For vehicles on the RRT VIN List this software is to improve the function and reliability of the power windows operation.
S17230000012022-05-31. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
S18090000072022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Customer Complaint May Include Engine Oil Leak Or Consumption
S21080001502022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. After-Run Race Cool Down Feature Does Not Operate
S21080001572022-05-31. Service bulletin. BACK OVER PREVENTION. Intermittently Backup Camera Does Not Display Red/Yellow/Green Gridlines Or Center Guideline
S21210000122022-05-31. Service bulletin. POWER TRAIN. Automatic Transmission Does Not Shift To Next Gear, Limp In Mode
S21230000412022-05-31. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Wind Or Whistle Noise From Sunroof And Or Rear Cab
S21250000022022-05-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
754902022-05-31. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. CAMSHAFT - INTAKE
757452022-05-31. Service bulletin. SUSPENSION:FRONT:HUB; SUSPENSION:FRONT:WHEEL BEARING. HUB AND BEARING - WHEEL
756102022-05-31. Service bulletin. STRUCTURE; EQUIPMENT. BASE - FLOOR CONSOLE
755672022-05-31. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. LATCH - FRONT DOOR
754462022-05-31. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. GLASS - SUNROOF
752672022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; ENGINE AND ENGINE COOLING:COOLING SYSTEM. TUBE - TURBO WATER FEED
752272022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING. MUFFLER AND TAILPIPE ? EXHAUST
08072222022-05-31. Service bulletin. LATCHES/LOCKS/LINKAGES:HOOD:LATCH; ENGINE AND ENGINE COOLING:COOLING SYSTEM. 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.
23014222022-05-31. 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.
Emissions Recall2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
S22080000822022-05-31. Service bulletin. POWER TRAIN. Service 4WD Message Is Displayed In The Instrument Cluster
S2118000015 RevB2022-05-31. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
S22080000802022-05-31. Service bulletin. ELECTRICAL SYSTEM. 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
S22230000262022-05-31. Service bulletin. STRUCTURE. Front Tire Rub On Fender Liner Splash Shield
S22080000732022-05-31. Service bulletin. ELECTRICAL SYSTEM. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S2208000011 RevB2022-05-31. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. Wireless Qi Charger Not Charging
S1708000118 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off

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