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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
S22230000262022-09-26. Service bulletin. TIRES. Front Tire Rub On Fender Liner Splash Shield
S22080000732022-09-26. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; UNKNOWN OR OTHER. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S22080000112022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE; UNKNOWN OR OTHER. Wireless Qi Charger Not Charging
S17080001182022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER; UNKNOWN OR OTHER. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-09-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER. ?Device Not Supported? Message on the radio screen
S22090000022022-09-26. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S20230000372022-09-26. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; BACK OVER PREVENTION. Wind Whistle Noise From Dash A Pillar Area While Driving
S21230000592022-09-26. Service bulletin. AIR BAGS; STRUCTURE:BODY:ROOF AND PILLARS. Water Leak At Headliner Near Driver Microphone
90045102022-09-26. Service bulletin. STRUCTURE; POWER TRAIN. FRAME, Front Seat Cushion If replacing this for a power seat does not move, refer to STAR parts section 050 - Interior Trim 905.02 - Adjusters, Recliners, Shields and Risors - Drivers Seat, Power Seat Motors The motors are available separately from the frame Assembly
90045052022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. Lithium Ion Batteries Beginning April 1, 2022, a $5,000 penalty will be assessed to dealers who return any visually damaged battery to the supplier. Improper handling of damaged lithium ion batteries can cause property damage, serious injury or even death. Exemptions will not be made for any dealer who fails to follow the appropriate handling process. To read the DCMail communication, go to DealerCONNECT > DCMail (ID: 81758) For details on recyclers, please visit the Mopar Dealer Site Lithium Ion Battery Handling page: https://www.dealers-mopar.com/moparone/retail/programs/battery-program/lithium-ion.jsp
18022212022-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following DTCs have been set:P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. P0307 - Cylinder 7 Misfire. P0308 - Cylinder 8 Misfire. The customer may also experience one or more of the following:Rough idle/misfire only after cold start Auto Park system is unable to be manually over-ridden after an Auto Park event. Auto Park disabled message will not display in cluster. 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.
25001212022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Dual EVAP System Extreme Duty Vapor Canister Filter Kit This informational bulletin is to make technicians aware that an EVAP dual vapor canister filter kit(Mopar part #68478013AA)is available in place of the OEM single vapor canister filter.This kit should not be installed on vehicles driven in normal conditions that are not subjected to the below symptom/conditions. Customers operating fleet or severe/extreme duty gasoline vehicles in continuous dusty driving conditions can plug the single OE filter system and may experience a Malfunction Indicator Lamp (MIL) illumination. Upon furtherinvestigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set:P0441 - EVAP Purge System Performance. P062A - Fuel Pump Control Performance. Customers may also experience the following conditions:Hard to fill fuel tank with fuel. Premature shut-off of the gas nozzle when refueling. Flow back of fuel while refueling.
18008212022-09-26. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM; BACK OVER PREVENTION; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the followingDiagnostic Trouble Codes (DTCs) have been set:Change DTC number from P0101-00 to P0109-00 - Mass Air Flow Sensor Performance. P015E - Excessive Time to Enter Closed Loop Fuel Timing Control. P0534-00 - AC Refrigerant System A Charge Loss. P26FB-00 - EGR Cooler Bypass Control Stuck Closed Bank 1. P04DB-00 - Crankcase Ventilation System Disconnected. P204F-00 - Reductant System Performance. P200A-00 - Intake Manifold Runner Performance - Bank 1. P200B-00 - Intake Manifold Runner Performance - Bank 2. P2D2D-00 - Cold Start Intake Manifold Runner Performance Bank 1. P2D2E-00 - Cold Start Intake Manifold Runner Performance Bank 2. P2199-00 - Intake Air Temperature Sensor 1 / 2 Correlation. P22FA-00 - NOX Sensor Performance - Slow Response High To Low Bank 1 Sensor 1. P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. P0087-00 - Fuel Rail Pressure Too Low. P0128-00 - Thermostat Rationality(additional software enhancement). P0300-00 - Multiple Cylinder Misfire(cold ambient temperature). P0301-00 - Cylinder 1 Misfire(cold ambient temperature). P0302-00 - Cylinder 2 Misfire(cold ambient temperature). P0303-00 - Cylinder 3 Misfire(cold ambient temperature). P0304-00 - Cylinder 4 Misfire(cold ambient temperature). P0305-00 - Cylinder 5 Misfire(cold ambient temperature). P0306-00 - Cylinder 6 Misfire (cold ambient temperature). P01CB-00 - Cylinder 1 Injection Timing Performance - Over Retarded. P01CC-00 - Cylinder 1 Injection Timing Performance - Over Advanced. P01CD-00 - Cylinder 2 Injection Timing Performance - Over Retarded. P01CE-00 - Cylinder 2 Injection Timing Performance - Over Advanced. P01CF-00 - Cylinder 3 Injection Timing Performance - Over Retarded.
S21080000522022-09-26. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. Heated Seat LED Indicator Turns On And Back Off. One Or More Heated Seat DTC?s
S21230000112022-09-26. Service bulletin. BACK OVER PREVENTION. Rattle Tapping Fluttering Noise From A Pillar Or Dash Driving At Highway Speeds
S2008000042RevA2022-09-26. Service bulletin. BACK OVER PREVENTION. Radio Display Is Black After Replacing The Rear View Camera
S21080000492022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE. Windshield Washer Fluid Pump Does Not Function. Interior Rear Dome, Vanity And Glove Box Lamps Do Not Illuminate
S2123000009RevA2022-09-26. Service bulletin. EXTERIOR LIGHTING; AIR BAGS. Water is leaking into cab through the third brake light CHMSL
S2008000126RevC2022-09-26. Service bulletin. ELECTRICAL SYSTEM. RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start, Key Not Detected Message
S21080000452022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Favorite Song On-Air Alert List Empty
S21080000392022-09-26. Service bulletin. BACK OVER PREVENTION. Back Up Camera Inoperative Complaints, Radio Display Blue Or Blank When Placed In Reverse
S21230000092022-09-26. Service bulletin. EXTERIOR LIGHTING. Water is leaking into cab through the third brake light CHMSL
S2008000041RevA2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Device Not Supported Message On Radio Screen
S21080000332022-09-26. Service bulletin. STRUCTURE:BODY:TAILGATE. Rear Tailgate Does Not Unlock, DTC U114E-00 Lost Communication With Multi-Function Tailgate Module
S1808000233RevA2022-09-26. Service bulletin. SEAT BELTS; VEHICLE SPEED CONTROL. The Passive Entry Door Handle Does Not Unlock The Door And B25A3-00 Or B25A4-00 May Be Active

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