Technical Service Bulletins (TSBs) for the 2021 2500 are official communications between Ram & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #S2108000003 Rev.

      Date Announced:
      JAN 16, 2021
      NHTSA ID:
      #10187051

      Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change Read More »

    • TSB #S2108000003

      Date Announced:
      JAN 07, 2021
      NHTSA ID:
      #10187031

      Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change Read More »

    • TSB #9002054

      Date Announced:
      JUN 05, 2013
      NHTSA ID:
      #10189179

      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. Read More »

    SUSPENSION

    • TSB #9002054

      Date Announced:
      JUN 05, 2013
      NHTSA ID:
      #10189179

      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. Read More »

    ENGINE (PWS)

    • TSB #S2008000186

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184426

      Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 ? ECU Application Software Code 1 Missing Or Corrupted Read More »

    ENGINE AND ENGINE COOLING

    • TSB #S1809000007 Rev.

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190667

      Customer complaint may include engine oil leak/consumption. Read More »

    • TSB #S2109000001

      Date Announced:
      JAN 21, 2021
      NHTSA ID:
      #10187060

      Customer may complain of a MIL lamp on. Upon further investigation there could be a fault code in the PCM for P1524 ? Oil Pressure Out of Range ? Camshaft Advance/Retard Disabled. Read More »

    • TSB #S1709000010 Rev.

      Date Announced:
      JAN 16, 2021
      NHTSA ID:
      #10187058

      Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. Upon investigation, it may be found that there is excessive camshaft lobe wear/lifter wear (roller failure) on one or more cam lobes and that ... Read More »

    POWER TRAIN

    • TSB #S1923000015 Rev.

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190671

      Transmission Column Shifter Lever Feels Loose Read More »

    • TSB #S2021000006 Rev.

      Date Announced:
      JAN 21, 2021
      NHTSA ID:
      #10187070

      Transmission Slip/Flare During With No Diagnostic Trouble Codes (DTCs) Set. Manual Drive Learn Procedure. Read More »

    ELECTRICAL SYSTEM

    • TSB #08-029-21 REV. A

      Date Announced:
      MAR 27, 2021
      NHTSA ID:
      #10190733

      Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Read More »

    • TSB #08-052-21

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190730

      Flash: Radio Frequency Hub Module (RF-HUB) Updates This bulletin involves reprogramming the RF-HUB with the latest software available. Read More »

    • TSB #S2123000014

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10190622

      Winch Inoperative From Controller Read More »

    • TSB #S2108000052

      Date Announced:
      FEB 19, 2021
      NHTSA ID:
      #10188767

      Heated Seat LED Indicator Turns On And Back Off. One Or More Heated Seat DTC?s Read More »

    • TSB #S2124000001

      Date Announced:
      FEB 16, 2021
      NHTSA ID:
      #10188722

      High Speed Blower Position Inoperable When Using Plow Controls. Read More »

    • TSB #S2108000003 Rev.

      Date Announced:
      JAN 16, 2021
      NHTSA ID:
      #10187051

      Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change Read More »

    • TSB #S2008000182 Rev.

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10187644

      Driver Or Passenger Power Windows Do Not Go Up Or Down Read More »

    • TSB #9004334

      Date Announced:
      DEC 02, 2020
      NHTSA ID:
      #10187603

      Power Window Regulator or Motor Owners may complain that the Driver and or Passenger Windows are inoperative. Read More »

    • TSB #S2008000182

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187638

      Driver Or Passenger Power Windows Do Not Go Up Or Down Read More »

    • TSB #S2008000186

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184426

      Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 ? ECU Application Software Code 1 Missing Or Corrupted Read More »

    VISIBILITY

    • TSB #S1723000001 Rev.

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190669

      Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger Read More »

    • TSB #08-029-21 REV. A

      Date Announced:
      MAR 27, 2021
      NHTSA ID:
      #10190733

      Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Read More »

    • TSB #9004342

      Date Announced:
      JAN 13, 2021
      NHTSA ID:
      #10187012

      WINDSHIELD Windshield cracked or blemish. When customer comes in for a cracked windshield, please note the location of crack and take pictures before repair. Read More »

    • TSB #S2008000182 Rev.

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10187644

      Driver Or Passenger Power Windows Do Not Go Up Or Down Read More »

    • TSB #S2008000182

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187638

      Driver Or Passenger Power Windows Do Not Go Up Or Down Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #9004334

      Date Announced:
      DEC 02, 2020
      NHTSA ID:
      #10187603

      Power Window Regulator or Motor Owners may complain that the Driver and or Passenger Windows are inoperative. Read More »

    AIR BAGS

    • TSB #08-029-21 REV. A

      Date Announced:
      MAR 27, 2021
      NHTSA ID:
      #10190733

      Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Read More »

    SEAT BELTS

    • TSB #08-052-21

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190730

      Flash: Radio Frequency Hub Module (RF-HUB) Updates This bulletin involves reprogramming the RF-HUB with the latest software available. Read More »

    STRUCTURE

    • TSB #S1924000019 Rev.

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190651

      Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other. Read More »

    • TSB #23-008-21

      Date Announced:
      FEB 05, 2021
      NHTSA ID:
      #10188804

      Missing (Power Wagon) Decals on Tailgate and Both Front Doors This bulletin involves inspecting and if necessary installing the ?Power Wagon? decals on the front doors and tailgate. Read More »

    LATCHES/LOCKS/LINKAGES

    LATCHES/LOCKS/LINKAGES:DOORS:LOCK

    • TSB #S2008000194

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10187650

      The Doors Will Not Unlock Using The Fob After A Remote Start Event Read More »

    VEHICLE SPEED CONTROL

    • TSB #08-029-21 REV. A

      Date Announced:
      MAR 27, 2021
      NHTSA ID:
      #10190733

      Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Read More »

    SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

    • TSB #S2108000052

      Date Announced:
      FEB 19, 2021
      NHTSA ID:
      #10188767

      Heated Seat LED Indicator Turns On And Back Off. One Or More Heated Seat DTC?s Read More »

    LANE DEPARTURE

    • TSB #S2108000003

      Date Announced:
      JAN 07, 2021
      NHTSA ID:
      #10187031

      Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change Read More »

    BACK OVER PREVENTION

    • TSB #S1808000097 Rev.

      Date Announced:
      MAR 20, 2021
      NHTSA ID:
      #10190649

      Back Up Camera Inoperative Complaints, Radio Display Blue Or Blank When Placed In Reverse Read More »

    • TSB #9004017

      Date Announced:
      MAR 03, 2021
      NHTSA ID:
      #10190582

      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. Read More »

    • TSB #S2108000043

      Date Announced:
      FEB 12, 2021
      NHTSA ID:
      #10188750

      Backup Camera has Black Screen with ?Check Entire Surroundings? Message Read More »

    EQUIPMENT

    • TSB #S2108000080

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190658

      Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out Read More »

    • TSB #S2108000069

      Date Announced:
      MAR 13, 2021
      NHTSA ID:
      #10190630

      SXM Channels Inoperative Above Channel 450 Read More »

    • TSB #S2124000001

      Date Announced:
      FEB 16, 2021
      NHTSA ID:
      #10188722

      High Speed Blower Position Inoperable When Using Plow Controls. Read More »

    • TSB #S2008000194

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10187650

      The Doors Will Not Unlock Using The Fob After A Remote Start Event Read More »

    • TSB #9004334

      Date Announced:
      DEC 02, 2020
      NHTSA ID:
      #10187603

      Power Window Regulator or Motor Owners may complain that the Driver and or Passenger Windows are inoperative. Read More »

    EQUIPMENT:ELECTRICAL

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT

    • TSB #S2108000043

      Date Announced:
      FEB 12, 2021
      NHTSA ID:
      #10188750

      Backup Camera has Black Screen with ?Check Entire Surroundings? Message Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #9004334

      Date Announced:
      DEC 02, 2020
      NHTSA ID:
      #10187603

      Power Window Regulator or Motor Owners may complain that the Driver and or Passenger Windows are inoperative. Read More »