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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
90042982020-10-26. Service bulletin. ENGINE; EQUIPMENT. Intake Manifold, Intake Manifold Gaskets, Intake Manifold Bolts If the intake manifold is being removed for service and the vehicle build date is between 02/24/20 to 08/07/20, please inspect the intake manifold for cracks around the intake manifold mounting bolt holes. If cracks are found please replace the intake manifold and intake manifold mounting bolts with P/N 06510314AA or later, torquing the bolts to specification when installing. If no cracks are found around the mounting holes, the intake manifold is OK to re-install during re-assembly using NEW mounting bolts p/n 06510314AA or later and torquing to specification.
23-020-202020-09-28. Service bulletin. STRUCTURE:BODY:BUMPERS; STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS. Tailgate Slam Bumpers Pull Off This bulletin involves inspecting and replacing any over stop bumpers that are relocated or missing. The customer may comment that when the multi-function tailgate swing door is opened, the over-slam bumpersticks to the door and pulls out of the U-frame.
18-010-20 REV. A2020-09-28. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL:CRUISE CONTROL. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on one or more of the following:ECO light does not illuminate in the cluster when Multiple Displacement System (MDS) is active(EMEA, LATAM and APAC). 2-3 kph (1.3-1.9 mph) difference between cruise set speed and the actual vehicle speed(EMEA, LATAM and APAC). Bump sensation during a coast down with light acceleration. Abnormal vibration when accelerating lightly during stop and go driving conditions.
18-062-202020-09-28. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on one or more of the following: ECO light does not come on the cluster during Multiple Displacement System (MDS). 2-3 kph (1.3-1.9 mph) difference between cruise set speed and the actual vehicle speed.
S20080001302020-09-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Radio UConnect GPS Based Trip Computer Missing
S20240000032020-09-28. Service bulletin. STRUCTURE:INTERIOR PANELS:DASHBOARD. Customer Indicates A Whistle Noise From Dash During Certain Driving Parameters.
S2008000123 Rev.2020-09-28. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. (Revision A) Radio Resets While Driving Under 1000 RPM
S20080001242020-09-28. Service bulletin. EQUIPMENT; STRUCTURE:FRAME AND MEMBERS; ENGINE; ELECTRICAL SYSTEM. Power Side Steps, Running Boards, Do Not Extend When Exiting Vehicle Or Retract As Expected
S20080001262020-09-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start
S20080001232020-09-28. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ENGINE. Radio Resets While Driving Under 1000 RPM
S20180000092020-09-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Codes (DTCs) P00AF ? Turbocharger Boost Control Module ?A? Performance and/or P226C ? Turbocharger Boost Control Module ?A? Slow Response.
S1923000042 Rev.2020-09-28. Service bulletin. EQUIPMENT; SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY. (Revision C) Service Air Suspension System And Power Side Steps Obstructed message With Chime When Power Side Steps Are Obstructed
S20230000372020-09-28. Service bulletin. STRUCTURE:BODY. Wind Whistle Noise From Dash A Pillar Area While Driving
S1925000008 Rev.2020-09-28. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. (Revision A) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
S20080001142020-09-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SXM Is Inoperative, Button Grayed Out Or Stuck In Loading Screen
S20080001132020-09-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
90036372020-09-28. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT. USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android Auto or Apply Carplay functionality, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
90040182020-09-28. Service bulletin. EQUIPMENT. LAMP, Cargo (CHMSL) If the CHMSL is being replaced for a water leak, new screws should be used, refer to STAR parts for the latest screw PN Ensure the screws are tightened to 2.8 NM / 24" lbs.
90042892020-09-28. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT ADAPTIVE/MOBILITY. COMPRESSOR, Air Conditioning, Complete Diagnosing the vehicle for poor A/C performance call: FCA Redacted Content before changing the compressor. If no response in 15 minutes, proceed with repair.
08-007-20 REV. A2020-08-24. Service bulletin. EQUIPMENT. UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: UAQ radios - 34.2. UCQ - 30.24. 2019 LA and WD with UAQ or UCQ radios and 2020 WD with UCQ radio has been removed from the service bulletin and are now covered under a safety recall. Please refer to published information in DealerCONNECT/Service Library for more details. Customers may experience one or more of the following:Speaker crackling noise on non amplified vehicles (UAQ Only). Active call not transferred to vehicle Bluetooth®(UAQ Only). Voice Recognition (VR) not understanding commands to switch sources (UAQ Only). Bluetooth phonebook not available (UAQ Only). "Setting" button removed after ignition cycle (UAQ Only). Coolant temperature value incorrect (UAQ Only). Blank display screen at start up.
18-011-20 REV. A2020-08-24. Service bulletin. ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience the following: A hesitation or rough feeling during engine-starting. Extended or longer than usual engine crank time. This conditions usually happens after a cold engine start and the vehicle is turnedoff and turned on within 3-5 minutes this will result in an extended or longer crank than usual before the vehicle restarts.
S20080001102020-08-24. Service bulletin. TIRES. Oversized Tire Calibration For Mopar Custom Calibration for Dodge RAM, MVP Update Required, MVP Hotline
S20080001052020-08-24. Service bulletin. ELECTRICAL SYSTEM. Remote Start Inoperative
S20080000942020-08-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Uconnect Market Place APP Fatal Error Message
S20080000992020-08-24. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Vehicle Cranks And Does Not Start, Multiple Low Voltage DTC?s Setting

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