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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.

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Only bulletins with component: Driver assistance are shown. Show all

Bulletins, newest first
18008212023-01-17. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC; 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 one or more of the following DTCs have been set: P225D-00 - Nox Sensor 1/1 Performance - Signal Stuck Low. P249C-00 - Excessive Time to Enter Closed Loop Reductant Injection Control. P065A - Generator System Performance. P00F4-00 - Humidity Sensor Circuit Low. Improved VGT cleaning to reduce false failures for P00AF field issue. P0106-00 - Manifold Absolute Pressure Sensor Performance. P20FB-00 - Reductant Pump 2 Control Performance. P200A-00 - Intake Manifold Runner Performance - Bank 1. P200B-00 - Intake Manifold Runner Performance - Bank 2. P2610 - PCM Internal Engine Off Timer Performance. 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. 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 .
19001212023-01-17. Service bulletin. STEERING; BACK OVER PREVENTION. Noise In Steering Column Tailshaft When Turning Steering Wheel This bulletin involves inspecting and replacing the steering column if necessary. The customer may notice there is a noise coming from the tailshaft of the steering column while turning.
S21230000342023-01-17. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). C15A1-00 Unable To Obtain Desired Ride Height Service Air Suspension Message On Cluster
S21230000332023-01-17. Service bulletin. BACK OVER PREVENTION. Underbody Ticking Noise That Increases With Vehicle Speed
08-003-22 REV. A2023-01-17. Service bulletin. STEERING; EQUIPMENT:ELECTRICAL:INFOTAINMENT; BACK OVER PREVENTION. UAQ and UCQ Radio Enhancements Customers may experience one or more of the following: ? **Wi-Fi hotspot connection failure. ? Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. ? Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** ? Intermittent, black radio display screen (Rear View Camera (RVC) not affected). ? Intermittent, radio freezes (RVC not affected). ? Wireless connectivity pairing and/or connection issues. ? Lost radio presets. ? Radio channels change by itself. ? SXMT icon inoperative. ? SXMT favorite song not displaying/playing. ? Incorrect navigation address/location/directions. ? Backup camera has black display screen or only displays Check Entire Surroundings with black screen (occurs when vehicle is shifted immediately to reverse upon key-on before RVC signal is received, recoverable with key cycle) . ? High pitch chime noise. ? Contact list not loading. ? Device not supported message. ? Remote app inoperative. ? Travel-Link fuel price incorrect. ? Backup camera gridlines missing. ? Unable to adjust volume. In addition, the following enhancement are included in this update: ? Enables map updates. ? Heavy Duty (HD) Truck USB HUB improvements. ? HD Truck heated steering wheel improvements This bulletin involves inspecting and if required, updating the radio software level to 40.1. Depending on the radio?s current software level the radio may need a one or two USB update.
08007202023-01-09. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS; BACK OVER PREVENTION; PARKING BRAKE. 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.
S20250000062023-01-09. Service bulletin. BACK OVER PREVENTION; EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P206D ? Reductant Quality Sensor Circuit High Set.
S20080000952023-01-09. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. Service Shifter Is Displayed In the EVIC
S22230000262023-01-09. Service bulletin. BACK OVER PREVENTION. Front Tire Rub On Fender Liner Splash Shield
S20230000372023-01-09. Service bulletin. BACK OVER PREVENTION. Wind Whistle Noise From Dash A Pillar Area While Driving
S18080000972022-11-07. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; BACK OVER PREVENTION. Back-Up Camera Inoperative Complaints, Radio Display Blue or Blank When Placed in Reverse
S19020000082022-11-07. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE; SUSPENSION; ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Air Suspension Compressor Module Assembly Replacement.
05004202022-10-17. Service bulletin. BACK OVER PREVENTION. Rear Brake (Moan) Noise This bulletin involves installing a rear brake anti-moan kit. The customer may comment on the following:A low frequency moan or howl noise from the rear brakes, primarily in cold/humid conditions, typically on the first brake stop in forward or reverse, after vehicle has been sitting for lengthy periods of time (cold brakes).
08100202022-10-17. Service bulletin. ENGINE AND ENGINE COOLING; BACK OVER PREVENTION; ELECTRICAL SYSTEM. Incorrect Starter Motor Installed This bulletin involves inspecting and possible replacement of the starter motor, for a whining noise upon vehicle start up. The customer may hear a whining noise coming from the start motor when the vehicle is started.
S20250000012022-10-17. Service bulletin. EXTERIOR LIGHTING; BACK OVER PREVENTION. (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
S20080001692022-10-17. Service bulletin. BACK OVER PREVENTION. Drivers Front Window Makes Noise While Raising And Lowering
03002202022-10-17. Service bulletin. BACK OVER PREVENTION. Front Axle Noise While in 4WD Mode This bulletin involves replacing the front axle assembly. The customer may experience a growling noise from the front axle which is more noticeable at lower speeds in 4WD mode.
S20080000932022-10-17. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. Blind Spot Or Park Assist Warnings, False Activation
90042622022-10-17. Service bulletin. STRUCTURE:BODY:TAILGATE; VEHICLE SPEED CONTROL; STRUCTURE:BODY:BUMPERS; BACK OVER PREVENTION. BUMPER, Tailgate (U-frame) When swing doors are opened on multi-function tailgate the overslam bumper sticks to the door and pulls out of the U-frame. If bumper is still stuck to the swing door remove and resecure using Mopar Bond-All Gel PN 04467709AA. It is recommended to apply adhesive to the mounting face of all 4 bumpers and replace any missing bumpers as required. Use adhesive sparingly to avoid squeeze out and follow manufacturers recommendations for surface preparation and cure time.
18008212022-10-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM; BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. 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 one or more of the following DTCs have been set: P225D-00 - Nox Sensor 1/1 Performance - Signal Stuck Low. P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P065A - Generator System Performance. P00F4-00 - Humidity Sensor Circuit Low. Improved VGT cleaning to reduce false failures for P00AF field issue. P0106-00 - Manifold Absolute Pressure Sensor Performance. P20FB-00 - Reductant Pump 2 Control Performance. P200A-00 - Intake Manifold Runner Performance - Bank 1. P200B-00 - Intake Manifold Runner Performance - Bank 2. P2610 - PCM Internal Engine Off Timer Performance. 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. 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).
19001212022-10-17. Service bulletin. STEERING; STEERING:COLUMN; BACK OVER PREVENTION. Noise In Steering Column Tailshaft When Turning Steering Wheel This bulletin involves inspecting and replacing the steering column if necessary. The customer may notice there is a noise coming from the tailshaft of the steering column while turning.
S21230000342022-10-17. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. C15A1-00 Unable To Obtain Desired Ride Height Service Air Suspension Message On Cluster
S21230000342022-10-17. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). C15A1-00 Unable To Obtain Desired Ride Height Service Air Suspension Message On Cluster
S21230000332022-10-17. Service bulletin. BACK OVER PREVENTION. Underbody Ticking Noise That Increases With Vehicle Speed
90043822022-10-17. Service bulletin. BACK OVER PREVENTION; SEATS; SUSPENSION. BUSHING, Tailgate Pivot For vehilces built after Dec 1 2020 if the tailgate is making a noise when opening or closing or if the bushing is being replaced for any reason please call FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the inside of the pivot cup after plastic bushing removal and pictures of the pivot post on the box side hinge. Mail pictures to FCA Redacted Content.

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