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Service bulletins for the 2020 Ram 3500

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.

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

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By component

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S21210000082023-01-17. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P0756 ? UD Solenoid Circuit, and/or P0755 ? 2C Solenoid Circuit, Set.
90043802023-01-17. Service bulletin. ELECTRICAL SYSTEM. SOLENOID, Transmission 2020 and 2021MY D2&DJ Before swapping the solenoid module on a repeatable P0755 or P0765, please ensure to download event data and send to contact copied below. This event data will assist with the root cause analysis of the module. Contact: FCA Redacted Content
08-234-222023-01-17. Service bulletin. ENGINE AND ENGINE COOLING; STEERING; PARKING BRAKE; WHEELS; ELECTRICAL SYSTEM; BACK OVER PREVENTION. UAV and UCV 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.** ? Lost radio presets. ? SXM favorite song not displaying/playing. ? Incorrect navigation address/location/directions. ? Lost navigation settings. ? SXM icon inoperative (D-Truck). ? Radio display screen is black when the ignition is on (Rear View Camera (RVC) not affected (D-Truck)). ? Radio freeze intermittent (RVC not affected (D-Truck)). ? Wireless connectivity pair or connection issue (D-Truck). ? Radio channel changes by itself (D-Truck). ? 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) (D-Truck). ? High pitch chime noise (D-Truck). ? Contact list not loading (D-Truck). ? ?Device Not Supported? message (D-Truck). ? Remote app inoperative (D-Truck). ? Travel-Link fuel price incorrect (D-Truck). ? Backup camera gridlines missing (D-Truck). ? Unable to adjust volume (D-Truck). ? Radio may reset/reboots, turn itself off and then back on again (D-Truck). ? High pitch squeal, pop or humming sound coming from all of the speakers (WK RU Only). ? Radio display screen is black, intermittent (RVC not affected (WK RU Only)). ? Radio freeze intermittent (RVC not affected (WK RU Only)). ? Navigation stuck on loading screen or not appearing at all (WK RU Only). ? Radios resets when a wireless connectivity paired phone receives two text messages one after another simultaneously after approximately seven seconds. (ABD sales code). ? Speaker crackling noise on non amplified vehicles (WK RU, UAV Only). ? Active cal
1810222REVA2023-01-09. Service bulletin. POWER TRAIN; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (ECM/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 moreof the following (DTCs) have been set: P0506 - Idle Control System RPM Lower Than Expected. P0299-00 - Turbocharger Underboost. P20EE-00 - NOx Catalyst Efficiency Below Threshold. P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. P1451-00 - Diesel Particulate Filter System Performance. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P026B - Injection Timing Performance. P0607-00 - ECU Internal Performance. P20E8-00 - Reductant Pressure Too Low. P0301-00 - Cylinder 1 Misfire. P0302-00 - Cylinder 2 Misfire. P0303-00 - Cylinder 3 Misfire. P0304-00 - Cylinder 4 Misfire. P0305-00 - Cylinder 5 Misfire. P0306-00 - Cylinder 6 Misfire. P1C54-00 - SCR NOx Catalyst Missing. P2706-00 - MS Solenoid Circuit (68RFE Only). P1D73-00 - AGS Performance. P24A5-00 - EGR Cooler Bypass Bank 1 Control Stuck(Sales Code ETM). P0420-00 - Catalyst System Efficiency Below Threshold Bank 1(Sales Code ETM). P2002-00 - Diesel Particulate Filter Efficiency Below Threshold(Sales Code ETM). P0191-00 - Fuel Rail Pressure Sensor Circuit Performance(Sales Code ETM). P0461-00 - Fuel Level Sensor 1 Performance(Sales Code ETM). P0401-00 - EGR System Performance(Sales Code ETM). P208B-00 - Reductant Pump 1 Control Performance(Sales Code ETM). The customer may also notice one or more of the following: Idle Instability. Harsh downshift clunk during exhaust brake deceleration. Diesel Exhaust Fluid (DEF) gauge erratic when DEF level is low. Stall when putting in reverse in cold ambient temps. Engine stumble during engine warm up. Unstable idle when AC compressor cycles. Engine surge felt while driving(Sales Code ETM). Idle fluctuation.
S2008000186REVA2023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM. Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 ? ECU Application Software Code 1 Missing Or Corrupted
S228A0000172023-01-09. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
18055222023-01-09. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module (ECM) / PowertrainControl Module (PCM) with the latest available software.
S22080000112023-01-09. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ACCESSORY; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. Wireless Qi Charger Not Charging
S17080001182023-01-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682023-01-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
18089222022-12-19. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the correct software. This vehiclemay have been programmed with incorrect software. The customer may experience Active Noise Control (ANC) system not working. Upon further investigation the technician may find the followingDTCs have been set: P1404 - EGR Position Sensor Rationality Closed. B154F-64 - Lost Crankshaft Pulse Signal-Signal Plausibility Failure B154F-24 - Lost Crankshaft Pulse Signal-Signal Stuck High. P1404 - EGR Position Sensor Rationality Closed DTC can be erroneously set when other DTCs are set.In addition, customers may experience one or more of the following concerns: In Power Take-Off (PTO) mode, transmission gear engagement is abruptand idle speed is high when transitioning From Park To Drive/Reverse Gear.
18090222022-12-19. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set: P1404 - EGR Position Sensor Rationality Closed. In addition, customers may experience one or more of the following concerns: In Power Take-Off (PTO) mode, transmission gear engagement is abrupt and idle speedis high when transitioning From Park To Drive/Reverse Gear.
18088222022-12-19. Service bulletin. BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs have been set: P1404 - EGR Position Sensor Rationality Closed. P2457 - Exhaust Gas Recirculation Cooling System Performance. P1404 - EGR Position Sensor Rationality Closed DTC can be erroneously set when P2457 - Exhaust Gas Recirculation Cooling System Performance DTC is set.In addition, customers may experience one or more of the following concerns: In Power Take-Off (PTO) mode, transmission gear engagement is abruptand idle speed is high when transitioning From Park To Drive/Reverse Gear.
S22230000392022-12-19. Service bulletin. ELECTRICAL SYSTEM:WIRING; SEATS:FRONT ASSEMBLY:POWER ADJUST; UNKNOWN OR OTHER. Left Front Driver Seat Power Functions Inoperative
2102122REVA2022-12-12. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may comment on one or more of the following: Harsh shifts. Poor shift quality, with light pedal.(Sales Codes ETM and ETN Only). Poor shift quality, 32-48 kph (20-30 mph), at low rpm with light to mediumpedal apply, typically tipping in from zero pedal.(Sales Codes ETM and ETN Only). Coasting shift bump with exhaust brake and/or tow/haul active.(Sales Codes ETM and ETN Only). Poor shift quality, often when increasing pedal during a shift.(Sales Code ESB Only). Squawk/chirp/squeak type noise during a 3-4 upshift.(D2 Only). Poor 1-2 upshift quality.(D2 with ETM or DD/DP with Sales Code ESB Only). When decelerating from a 1 to 2 gear shift, the vehicle may have a harshshift. From a 1 to 2 gear change there may be a perceived bump feeling, whilehaving a light pedal(Sales Codes ETL and ETN Only). A harsh shift from a 2 to 3 gear shift while at almost or wide openthrottle. A harsh shift from a 3 to 4 shift and heavy on the pedal, lifting offthe pedal, then back on the pedal again. While coasting down a grade, an abrupt deceleration may be felt. A clunk heard when shifting from park to reverse or drive. Cold engine flare during a shift. A delay when coasting down, vehicle is in a downshift at low speedsand then trying to accelerate. (The vehicle will have a hesitation as the vehicle tries to change gears to accommodate the new pedaldemand). Excessive shifting(DD and DP Only). Engine flare caused by the transmission releasing the clutch too early duringa 1 to 2 shift. Poor shift quality. Shift or gear hunting. The following software enhancement is also available: Stored faults can only be cleared by a diagnostic scan tool, this softwarewill allow the TCM to self clear.
S228A0000282022-12-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Remained On After Ignition Is Switched Off, Dead Battery from Excessive Radio Current Draw
S2208000153RevA2022-12-12. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. Tire Pressure Lamp Flashing, No Tire Pressures Displayed, ?Tire Pressure Module (TPM) System Unavailable? Message Displayed on Cluster
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
S22230000632022-11-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Ambient Temperature Sensor Servicing.
S22080001532022-11-07. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; SERVICE BRAKES, HYDRAULIC. Tire Pressure Lamp Flashing, No Tire Pressures Displayed, ?Tire Pressure Module (TPM) System Unavailable? Message Displayed on Cluster
90044702022-11-07. Service bulletin. STRUCTURE:BODY:BUMPERS; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; TRAILER HITCHES. CONNECTOR Trailer Tow,WIRING Trailer Tow,CONNECTOR 7 Way,WIRING Rear Bumper If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
S228A0000172022-10-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
1810222REVA2022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; POWER TRAIN; SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, DIESEL. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (ECM/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 moreof the following (DTCs) have been set: P0506 - Idle Control System RPM Lower Than Expected. P0299-00 - Turbocharger Underboost. P20EE-00 - NOx Catalyst Efficiency Below Threshold. P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. P1451-00 - Diesel Particulate Filter System Performance. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P026B - Injection Timing Performance. P0607-00 - ECU Internal Performance. P20E8-00 - Reductant Pressure Too Low. P0301-00 - Cylinder 1 Misfire. P0302-00 - Cylinder 2 Misfire. P0303-00 - Cylinder 3 Misfire. P0304-00 - Cylinder 4 Misfire. P0305-00 - Cylinder 5 Misfire. P0306-00 - Cylinder 6 Misfire. P1C54-00 - SCR NOx Catalyst Missing. P2706-00 - MS Solenoid Circuit (68RFE Only). P1D73-00 - AGS Performance. P24A5-00 - EGR Cooler Bypass Bank 1 Control Stuck(Sales Code ETM). P0420-00 - Catalyst System Efficiency Below Threshold Bank 1(Sales Code ETM). P2002-00 - Diesel Particulate Filter Efficiency Below Threshold(Sales Code ETM). P0191-00 - Fuel Rail Pressure Sensor Circuit Performance(Sales Code ETM). P0461-00 - Fuel Level Sensor 1 Performance(Sales Code ETM). P0401-00 - EGR System Performance(Sales Code ETM). P208B-00 - Reductant Pump 1 Control Performance(Sales Code ETM). The customer may also notice one or more of the following: Idle Instability. Harsh downshift clunk during exhaust brake deceleration. Diesel Exhaust Fluid (DEF) gauge erratic when DEF level is low. Stall when putting in reverse in cold ambient temps. Engine stumble during engine warm up. Unstable idle when AC compressor cycles. Engine surge felt while driving(Sales Code ETM). Idle fluctuation.
S2208000080RevA2022-10-31. Service bulletin. ELECTRICAL SYSTEM. Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
S228A0000172022-10-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub

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