2021 Ram 1500 TSBs

1,124 manufacturer communications for the 2021 Ram 1500 sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2021 1500 problem report covers complaints, recalls, and investigations.

1,124Communications
8Campaigns & extensions

What the bulletins cover

Electrical373 bulletins
Engine163 bulletins
Transmission & drivetrain144 bulletins
Body & structure136 bulletins
Driver assistance101 bulletins
Visibility & wipers80 bulletins

Warranty extensions, campaigns & software updates

Worth checking your VIN against — these can mean free or reimbursed work if your vehicle qualifies.

Engine 109767 January 21, 2026 Warranty extension

ID-25-14 Rev. A ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and/or Rocker Arm Replacements

Engine 109621 January 21, 2026 Warranty extension

D-25-17 Rev. A ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and/or Rocker Arm Replacements

Engine 107564 September 24, 2025 Warranty extension

ID-25-14 ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and Rocker Arm Replacements

Engine 107563 September 24, 2025 Warranty extension

D-25-17 ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and Rocker Arm Replacements

Warranty extension 105591 June 11, 2025 Warranty extension

FCA Caribbean Warranty Newsletter – Volume 11, Issue 6

Engine · Transmission & drivetrain 100681 September 25, 2024 Warranty extension

Warranty Bulletin D-24-16 (XR1) Urea Delivery Module – Select 2019 - 2022 RAM Trucks (DJ/D2/DD/DP)

Transmission & drivetrain 100595 September 18, 2024 Warranty extension

WARRANTY BULLETIN D-24-15 announces the addition of the Rear Axle Assembly replacement for 2019 - 2024 RAM 3500 Cab Chassis (DD), RAM 4500/ 5500 Cab Chassis (DP), RAM 3500 Pickup (D2), RAM 2500 Pickup (DJ), RAM 1500 Pickup (DS) and RAM 1500 Pickup (DT) vehicles to the Powertrain…

Transmission & drivetrain 100599 September 18, 2024 Warranty extension

FCA Caribbean Warranty Bulletin ID-24-16 Rev. Announces the addition of the Rear Axle Assembly replacement for 2019 - 2024 RAM 3500 Cab Chassis (DD), RAM 4500/ 5500 Cab Chassis (DP), RAM 3500 Pickup (D2), RAM 2500 Pickup (DJ), RAM 1500 Pickup (DS) and RAM 1500 Pickup (DT)…

Most recent service bulletins

The 20 most recent of 1,124 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Driver assistance 9100274 Rev 1 July 28, 2026

Blindspot Module For concern on Blindspot Module setting U11FB-00 Lost Communication with Left Blind Spot Sensor, U11FA-00 Lost Communication with Right Blind Spot Sensor. Some vehicle(s) where the Blindspot Module was replaced had no issues found with the Blindspot Module after…

Body & structure · Electrical S2608000033 July 17, 2026

Cluster Message “To Operate Tailgate Shift to Park” Vehicle is In Park

Transmission & drivetrain 21-056-26 July 9, 2026

Flash: Transmission Control Module (TCM) Updates Customers may comment on one or more of the following: SYMPTOM: ● **Harsh or slipping feeling during upshifts (1st - 5th). ● Harsh or slipping feeling during kickdown events under throttle. ● Transmission fluid odor (burnt…

Fuel system 9100833 REV1 July 6, 2026

Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for…

Service bulletin 113277 July 6, 2026

CORE – HEATER

Service bulletin 113276 July 6, 2026

CORE – HEATER

Brakes & stability 113123 June 29, 2026

SPRING KIT - DISC BRAKE PAD

Body & structure · Electrical 113070 June 29, 2026

SWITCH – HEADLAMP

Body & structure · Electrical 113069 June 29, 2026

SWITCH – HEADLAMP

Body & structure S2208000045 REV.D June 26, 2026

Backup Camera Poor Image Quality Inspection

Service bulletin 113065 June 25, 2026

OUTLET - AIR CONDITIONING & HEATER

Service bulletin 113066 June 25, 2026

OUTLET - AIR CONDITIONING & HEATER

Service bulletin 9100845 June 17, 2026

For concerns of an inoperative A/C system (no relay activation, no compressor engagement, or no response to commands), technicians need to utilize Star Online Publication S2624000007 prior to component replacement. Failure to follow this star online publication may result in…

Fuel system 9100833 June 17, 2026

Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for…

Engine S2609000009 June 15, 2026

Check Engine Light (CEL) Illuminated with Diagnostic Trouble Code (DTC) P0106 Manifold Absolute Pressure Sensor Performance Setting In The Powertrain Control Module (PCM)

Body & structure 23-007-26 REV. A June 13, 2026

Instrument Panel Delamination Customers may comment on the following: ● Wrinkles or bubbles in the instrument panel cover Fig. 1. This bulletin involves inspecting and possibly replacing the instrument panel cover.

Electrical · Body & structure S1623000028 Rev. K June 12, 2026

Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.

Suspension 112652 June 10, 2026

SHOCK ABSORBER - SUSPENSION

Suspension 112651 June 10, 2026

SHOCK ABSORBER - SUSPENSION

Engine 9100839 June 9, 2026

3-way valves are available in STAR Parts as two distinct components and must be selected correctly based on application. The High Temp 3-way valve (68309834AC) is located between the engine and the bulkhead at the rear of the engine compartment. The Low Temp 3-way valve…

← 2021 1500 problems All 1500 TSB years
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.