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Service bulletins for the 2021 Ram 2500

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
755672022-05-31. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. LATCH - FRONT DOOR
756072022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING. Pending Emissions Recall and REQUIRED Customer Communication - Ram Heavy Duty/Chassis Cab
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
823042022-05-31. Service bulletin. EQUIPMENT; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Safety Recall Z20- Electronic Stability Control MY22 Repair Information
822942022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE; FUEL SYSTEM, GASOLINE. Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine & Fuel Injection Pump - 2019 - 2022 HD Ram - All Models (Rev. I)
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
S22230000282022-05-31. Service bulletin. STRUCTURE. Noise From A-Pillar Floor Area On Turns Or Body Movement
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
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22090000022022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S1923000050 RevA2022-05-31. Service bulletin. STRUCTURE:BODY:HOOD; STRUCTURE. Hood Shake Or Flutter While Driving
08-175-212021-12-13. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM; SUSPENSION; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following DTCs have been set:U0132 - Loss of Communication with Air Suspension Control Module. C15E1-97 - Left Rear Air Spring Intake - Component or System Operation Obstructed or Blocked. C220C-48 - Active Suspension Module Internal-Supervision Software Failure(2019 MY Only). C211B-92 - Ignition Run/Start Input-Performance Or Incorrect Operation(2019 MY Only). C156C-7A - Ride Height System Air Leak-Fluid Leak Or Seal Failure(2019 MY Only). In addition the customer may describe:Air suspension system is inoperable. During key ?On? or while driving, the ?service air suspension? light illuminates. Air spring deflated or ruptured. Right/left rear suspensions sits lower than the other side. Chime and "Service Air Suspension Immediately" message appeared in the cluster for 5 seconds. Excessive operation or noise from air suspension system when vehicle is stationary(2019 MY Only). "Air Suspension Disabled" message when attempting Bed Lowering Mode (BLM)(2019 MY Only). Excessive compressor valve cycling following a cold start(2019 MY with Diesel engine only). Erroneous "Bed Low Achieved" message through the Instrument Panel Cluster (IPC), when requesting lowering, even though the truck didn't physically lower. Ride height changes/valve actuations without operator request on rough roads.
18-034-21 REV. A2021-12-13. Service bulletin. FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; FUEL SYSTEM, DIESEL. P203E and P203F Additional Diagnostic Information This bulletin provides additional information regarding diagnosing Diesel Exhaust Fluid (DEF) issue in extreme cold weather. Diagnostic Trouble Codes (DTCs) P203E - Reductant Level Sensor 1 Circuit Intermittent and/or P203F - Reductant Level Too Low set.
08-171-212021-12-13. Service bulletin. STEERING; WHEELS; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE; UNKNOWN OR OTHER; SEATS; ELECTRICAL SYSTEM. Flash: Comfort Seat and Wheel Module (CSWM) Enhancements This bulletin involves updating the CSWM with the latest available software. The customer may describe the following:The heated steering wheel gets too hot for customer comfort.
S2124000017 Rev.2021-12-13. Service bulletin. UNKNOWN OR OTHER. Customer Indicates No Air Flow To Rear Seats
S21080002672021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. SXM Travel Link Weather map doesn't show precipitation properly
14-003-21 Rev. B2021-06-28. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel Smell and Fuel Leak This bulletin involves replacing the fuel pump module. Customers may experience the following: Fuel leak or fuel smell. This minor leak is coming from the fuel pump feed port.
08-088-212021-06-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following:Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers
08-076-21 Rev. A2021-06-28. Service bulletin. ELECTRICAL SYSTEM. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The following software enhancement is available:Amplifier update to eliminate static noise from the instrument panel mounted speakers.
14-003-21 Rev. A2021-06-28. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel Smell and Fuel Leak This bulletin involves replacing the fuel pump module. Customers may experience the following: Fuel leak or fuel smell. This minor leak is coming from the fuel pump feed port.
08-082-212021-06-28. Service bulletin. ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Diagnostic and System Improvements This bulletin involves reprogramming the BCM with the latest available software. The customer may describe the following: The shifter gets stuck in park.

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