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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

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Bulletins, newest first
91002122024-01-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. PUMP Water For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may be normal, but coolant should not be dripping from this location. If unsure about, use the Pressurized Coolant System Inspection process as found in the Dealer Connect Cooling Diagnosis and Testing Procedures.
08045232024-01-02. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware 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 from 34.4 to 34.42.
31001232024-01-02. Service bulletin. STRUCTURE. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates. NOTE: **Verify current warranty policy to determine if digital imaging pre authorization is required or Pre Approval is required from Regional Office depending on market.** This bulletin involves inspecting and if necessary removing corrosion and refinishing the suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.
S20250000012024-01-02. Service bulletin. EXTERIOR LIGHTING; BACK OVER PREVENTION. Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
S18080001522024-01-02. Service bulletin. SERVICE BRAKES. CEL (Check Engine Lamp) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes (DTCs) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042-54 Brake Pedal Missing Calibration
S23070000012024-01-02. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include a coolant leak, or, a coolant leak is detected during a routine oil change inspection.
S228A0000282024-01-02. Service bulletin. ELECTRICAL SYSTEM. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
S23230000172024-01-02. Service bulletin. POWER TRAIN. Enabling A New Power Side Step Module.
S23230000162024-01-02. Service bulletin. STRUCTURE. Power Side Step Does Not Operate Or Operates Intermittently
9003357A2024-01-02. Service bulletin. ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
90033572024-01-02. Service bulletin. BACK OVER PREVENTION. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
09019232023-12-18. Service bulletin. BACK OVER PREVENTION. Cold Engine Ticking Noise From Exhaust Manifold Area The customer may describe an ticking noise from the exhaust manifold location(s) when cold. This bulletin involves replacing the exhaust manifolds.
23098232023-12-18. Service bulletin. STRUCTURE. Back Glass Water Leak Warranty Extension XL1 The customer may experience one or more of the following: ? A cracked backlite frame Fig. 1 resulting in an interior water leak (crack is visible to the customer). ? Water leak from at top of the backlite. This bulletin involves replacing the backlite.
91002622023-12-18. Service bulletin. ELECTRICAL SYSTEM. SWITCH Headlamp Before replacing the Headlamp Switch, due to an issue on the I/P Dimmer. Please follow the next steps to corroborate if the Headlamp Switch is malfunctioning: 1.- Please disconnect and reconnect the headlamp Switch. And verify if the issue is corrected. 2.- Review the resistance value between Pins 6 & 3. The value should be around 5.74 KOhms, when in the lowest position to 311 ohms in the top position (Parade Detent). If a problem is found in the resistor values. Please replace the Switch.
91002472023-12-18. Service bulletin. BACK OVER PREVENTION; VEHICLE SPEED CONTROL. ERG Hydraulic Tensioner Before replacing any FEAD components, please check FEAD belt layout as per the engine sales code. Customer complaint may include a noise from under the hood described as a squeal, screech, squeak, chirp or belt-related noise and/or noisy tensioner/pulley. Please refer to SOL# S2309000007.
23098232023-10-30. Service bulletin. STRUCTURE. Back Glass Water Leak Warranty Extension XL1 The customer may experience one or more of the following: ? A cracked backlite frame Fig. 1 resulting in an interior water leak (crack is visible to the customer). ? Water leak from at top of the backlite. This bulletin involves replacing the backlite.
934462023-10-30. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT. FCA Caribbean Warranty Bulletin ID-23-21 (XL1) Backlite Select 2019 - 2021 RAM 1500 Pickup (DT)
934382023-10-30. Service bulletin. EQUIPMENT. Warranty Bulletin D-23-17 (XL1) Backlite Select 2019 - 2021 RAM 1500 Pickup (DT)
S22210000032023-10-30. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S23190000082023-10-30. Service bulletin. STEERING. Clicking Noise From Steering Column While Turning Steering Wheel.
S22080000112023-10-30. Service bulletin. EQUIPMENT:ELECTRICAL. Wireless Qi Charger Not Charging
S19230000442023-10-30. Service bulletin. STRUCTURE. Dust Intrusion Or Air Leak Into Cab
91002292023-10-30. Service bulletin. SUSPENSION. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
91002262023-10-30. Service bulletin. ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
91002122023-10-30. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. PUMP Water For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may be normal, but coolant should not be dripping from this location. If unsure about, use the Pressurized Coolant System Inspection process as found in the Dealer Connect Cooling Diagnosis and Testing Procedures.

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