WenmarOpen by Wenmar Pro

Service bulletins for the 2020 Ram 2500

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
S21080000932021-05-24. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; EQUIPMENT. Apple CarPlay Does Not Work Or Not Connecting
S1917000002 Rev.2021-05-24. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SUSPENSION. ASCM U0132 Loss Of Communication With Suspension Control Module (IPC) DTC
90043692021-05-24. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. CAMERA (surround view - digital) When vehicle is equipped with surround view system (XAK sales code) and rear camera is not functioning - If rear camera is not functioning we would expect to see these Diagnostic Trouble Code (DTCs) set by the Central Vision Processing Module (CVPM) - B217A-92 Rear Camera-Performance or Incorrect Operation U0264-00 Lost Communication With Camera Module - Rear 1. Take picture of head unit display so we can verify what part of the image is not functioning (Surround View vs. Rearview Camera) 2. Take vehicle scan and config report so we can verify s/w, DTCs, and vehicle config 3. If rear camera is not functioning, disconnect and reconnect the camera to ensure that the same camera is still not functioning. We want to ensure that the connection at the rear camera is secure. 4. Send information to FCA Redacted Content.
90043672021-05-24. Service bulletin. VEHICLE SPEED CONTROL; EQUIPMENT; SEATS. LATCH, Storage Bin Lid (Rambox) If the Rambox storage bin lid latch is being replaced for the lid not opening or latching properly, replace the latch and lid assembly with all of the sub components instead of just replacing the latch only. Do not replace the Rambox. Please ship all the replaced components to QEC. Please contact FCA Redacted Content or FCA Redacted Content to set up the part return to QEC. If no response in 15 minutes, proceed with repair.
08-029-21 REV. A2021-04-26. Service bulletin. VEHICLE SPEED CONTROL; AIR BAGS; VISIBILITY; ELECTRICAL SYSTEM. Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B18BA-12 - Window Control - Circuit Short to Battery B18BA-13 - Window Control - Circuit Open In addition the customer may notice one or more of the following: Driver and/or passenger windows stop working. If the window switch is held in the up position for at least two seconds,the obstruction auto-down function may not work. Windows may go up slower than expected.
08-052-212021-04-26. Service bulletin. SEAT BELTS; ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RF-HUB) Updates This bulletin involves reprogramming the RF-HUB with the latest software available. The customer may experience the following:The key fob won't unlock the doors while the vehicle is running and after a remote start.
18-012-21 REV. A2021-04-26. Service bulletin. FUEL SYSTEM, DIESEL; SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (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 more of the following Diagnostic Trouble Codes (DTCs) have been set:P20E8-00 - Reductant Pressure Too Low. P0301-00 - Cylinder 1 Misfire(Sym Cam Pump Only). P0302-00 - Cylinder 2 Misfire (Sym Cam Pump Only). P0303-00 - Cylinder 3 Misfire (Sym Cam Pump Only). P0304-00 - Cylinder 4 Misfire(Sym Cam Pump Only). P0305-00 - Cylinder 5 Misfire(Sym Cam Pump Only). P0306-00 - Cylinder 6 Misfire(Sym Cam Pump Only). P1C54-00 - SCR NOx Catalyst Missing. P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation (68RFE Only). P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1(68RFE Only). P1451-00 - Diesel Particulate Filter System Performance (68RFE Only). P0299-00 - Turbocharger Underboost. P2706-00 - MS Solenoid Circuit (68RFE Only). P1D73-00 - AGS Performance. P0299-00 - Turbocharger Underboost. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P1451-00 - Diesel Particulate Filter System Performance. P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation. P24A5-00 - EGR Cooler Bypass Bank 1 Control Stuck (Sales Code ETM). P20EE-00 - NOx Catalyst Efficiency Below Threshold(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:Harsh downshift clunk during exhaust brake
08-029-212021-04-26. Service bulletin. VISIBILITY. Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set:B18BA-12 - Window Control - Circuit Short to Battery B18BA-13 - Window Control - Circuit Open In addition the customer may notice one or more of the following:Driver and/or passenger windows stop working. If the window switch is held in the up position for at least two seconds,the obstruction auto-down function may not work. Windows may go up slower than expected.
S1923000015 Rev.2021-04-26. Service bulletin. POWER TRAIN. Transmission Column Shifter Lever Feels Loose
S1809000007 Rev.2021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include engine oil leak/consumption.
S21080000802021-04-26. Service bulletin. EQUIPMENT. Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
S1908000022 Rev.2021-04-26. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Navigation Search Feature Does Not Work
S1924000019 Rev.2021-04-26. Service bulletin. STRUCTURE. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
S1808000097 Rev.2021-04-26. Service bulletin. BACK OVER PREVENTION. Back Up Camera Inoperative Complaints, Radio Display Blue Or Blank When Placed In Reverse
S21230000192021-04-26. Service bulletin. STRUCTURE. Water In Hood And/Or Slosh Noise From Hood
S2014000002 Rev.2021-04-26. Service bulletin. FUEL SYSTEM, GASOLINE. Metal Or Other Debris Contamination In The High Pressure Fuel System. Parts Ordering, And Repair Process Information.
S21230000172021-04-26. Service bulletin. SEATS. Water Leak From Front Seat Grab Handle And Or A Pillar
S21080000692021-04-26. Service bulletin. EQUIPMENT. SXM Channels Inoperative Above Channel 450
S21230000142021-04-26. Service bulletin. ELECTRICAL SYSTEM. Winch Inoperative From Controller
90040172021-04-26. Service bulletin. BACK OVER PREVENTION. CAMERA, Rear View For concerns of back up camera flicker/blank/blue/black screen or camera inop, please ensure Radio is at latest software level. After update, system requires three sleep cycles to function properly. Please verify camera LVDS- Low-Voltage Differential Signaling cable connection at camera and radio head unit. Also verify harness connection between high mounted stop lamp and body harness for bent pins or loose connection at XY310A, XY485A inlines. Please create and send a copy of the vehicle scan report and specify radio SW version and radio head unit ID toFCA Redacted Content or call FCA Redacted Content for any additional questions or assistance needed. If no response in 15 minutes, proceed with repair. Please be sure to attach a copy of the Vehicle Scan Report on the repair order.
90043572021-04-26. Service bulletin. ELECTRICAL SYSTEM. CABLE ASSY, Power Sliding Backlite Power Sliding Backlite inop, binding. When customer comes in for Power Sliding Backlite inop or binding make note of what condition the part is in and take pictures before disassembly. Please send pictures to FCA Redacted Content and load to the warranty claims system.
90020542021-03-22. Service bulletin. STEERING; SUSPENSION. If replacing the steering linkage or drag link inner tie rod assembly at the pitman arm on a vehicle built before Febuary 14 th, 2008, verify that the pitman arm part number is 68039930AA. The part number is embossed on the pitman arm.~If the pitman arm is not a 68039930AA, it must be replaced with a 68039930AA.~ Issue 2: For 2003 to 2007 MY only. If the OE steering linkage has been replaced with 52122362AA, 52122362AB, 52122362AC, 52122362AD, 52122362AE, or 52122362AF and pitman arm 68039930AA the following service parts are available.
23-010-212021-03-15. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN. Passenger Side Power Side Step Inoperative This bulletin involves inspecting and if necessary replacing the passenger side power step motor. Customers may comment that the passenger side power step is not functioning properly and passenger side power side steps obstructed message appears in the instrument cluster.
18-012-212021-03-15. Service bulletin. FUEL SYSTEM, DIESEL; SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (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 more of the following Diagnostic Trouble Codes (DTCs) have been set. The customer may also notice one or more of the following:Harsh downshift clunk during exhaust brake decel
18-009-212021-03-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:P0299-00 - Turbocharger Underboost.

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