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Service bulletins for the 2020 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.

1228 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
S20230000282020-06-22. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; STRUCTURE:BODY:BUMPERS. Muti-Function Tailgate Over-slam Bumper Falls Off
S20080000732020-06-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. VP4 Panasonic Radio USB Software Update Error Codes And Guidelines For Recovery
S20090000022020-06-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. Oil Leak From The Front Timing Gear Housing Gasket. (Note: ETL, ETK, ETM, ETN Diesel Engines)
S19250000082020-06-22. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
S19230000272020-06-22. Service bulletin. STRUCTURE:BODY:TAILGATE; EXTERIOR LIGHTING:TAIL LIGHTS. Tail Light Too Close To Tailgate
S19080001742020-06-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Screen Black At Vehicle Startup After A Sleep Cycle
S17230000072020-06-22. Service bulletin. SUSPENSION. Air Suspension Inoperative And Or Compressor Freeze Up Or Sticking In Cold Weather.
90042592020-06-22. Service bulletin. SUSPENSION. Two-inch Lift Kit (Rear Shock) When installing the Mopar 2 Inch Lift Kit do not compress the rear shocks fully, as the rear shocks can be over-compressed prior to being installed; leading to damage of the shaft seal. Please go to STAR parts and download the latest I-sheet K6862538AC for further details. Lift Kit 77072424AC or later will have the updated I-sheet. NOTE- shocks with this type of damage are not considered warranty.
90042572020-06-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. FILTER KIT, Engine Oil When refilling oil on a JT, JL, DT, or RU equipped with a 3.6L Pentastar UPGRADE engine, please be advised that the engine oil capacity is 5 quarts of oil.
23-015-202020-05-26. Service bulletin. STRUCTURE; EQUIPMENT. Disinfectant Solution Recommended for COVID-19
02-001-202020-05-26. Service bulletin. SUSPENSION. Vehicle Pulls or Leads This bulletin involves properly correcting a lead/pull condition due to inaccuratealignment settings from the plant. The customer may describe the vehicle pulls or leads either left or right.
08-049-202020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
18-039-202020-05-26. Service bulletin. FUEL SYSTEM, GASOLINE. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season
08-048-202020-05-26. Service bulletin. ELECTRICAL SYSTEM. UAX, UCX, UAV and UCV Radio Over the Air Software Version Updates This bulletin provides information regarding the latest Flash 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 to 33.3. Customers may experience one or more of the following:Display screen is back with no backlighting. GPS unable to load and find location. Bluetooth® device is slow to pair. Loss of saved radio presets. No audio output coming from the radio. Can not control audio volume. Radio "locks up" or freezes. Rear view camera display will not turn off. This is an ?Information Only? Service Bulletin to inform the dealer how the FOTA update is performed. This document does not contain a LOP for reimbursement.
D-18-36 Rev. A2020-05-26. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Ram 1500 (DT) - All Models and Model Years Equipped With Truck Hero, Inc. Mopar Components - Warranty Coverage (Rev. A)
S18080001522020-05-26. Service bulletin. ELECTRICAL SYSTEM. CEL (Check Engine Lamp) Illuminates, Recent PCM Replace Or Flash Update Performed, DTC P057B Brake Pedal Position Sensor Circuit Performance
S19080000222020-05-26. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Navigation Search Feature Does Not Work
S20250000042020-05-26. Service bulletin. ELECTRICAL SYSTEM. Customer complains of the MIL lamp on. Technician observes DTC P0456 EVAP System Small Leak or P0455 EVAP System Large Leak detected set in PCM.
S20080000602020-05-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. Radio Issues With iPhone 11
S20080000592020-05-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. Error Code 20 Message On the Radio Screen
S20190000032020-05-26. Service bulletin. STEERING. Buzz Whine Noise From EPS At Slow Speeds on Tight Right Turns
S20230000242020-05-26. Service bulletin. STRUCTURE. Water Leak Rear Of Cab Rear Seat Or Headliner
S20080000482020-05-26. Service bulletin. EQUIPMENT. Phone Contacts Will Not Load
S20080000572020-05-26. Service bulletin. EQUIPMENT. Speakers Have Static, Hum, Buzz Or Cutting In And Out Conditions
S20080000522020-05-26. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. Service Trailer Brake Warning Message Displayed On The Cluster

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