2021 Ram 3500 TSBs

582 manufacturer communications for the 2021 Ram 3500 sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2021 3500 problem report covers complaints, recalls, and investigations.

582Communications
9Campaigns & extensions

What the bulletins cover

Electrical189 bulletins
Engine89 bulletins
Transmission & drivetrain62 bulletins
Driver assistance48 bulletins
Body & structure45 bulletins
Visibility & wipers42 bulletins

Warranty extensions, campaigns & software updates

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

Warranty extension 105591 June 11, 2025 Warranty extension

FCA Caribbean Warranty Newsletter – Volume 11, Issue 6

Warranty extension 104558 April 11, 2025 Warranty extension

FCA Caribbean Warranty Newsletter – Volume 11, Issue 4

Warranty extension 104557 April 9, 2025 Warranty extension

Warranty Newsletter – Volume 11, Issue 4

Transmission & drivetrain · Engine 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)…

Transmission & drivetrain 100494 September 11, 2024 Warranty extension

"FCA CARIBBEAN WARRANTY BULLETIN ID-24-16 Addition of Rear Axle / Differential Assembly for 2019 - 2024 RAM 3500 Cab Chassis (DD) to the Powertrain Service Center (PTSC) Pre-Authorization Program"

Transmission & drivetrain 100490 September 11, 2024 Warranty extension

"WARRANTY BULLETIN D-24-15 Addition of Rear Axle / Differential Assembly for 2019 - 2024 RAM 3500 Cab Chassis (DD) to the Powertrain Service Center (PTSC) Pre-Authorization Program ALL DEALERS"

Service campaign 90A Combo Rev1 June 27, 2024 Service campaign

Customer Satisfaction Notification 90A Diesel Exhaust Fluid

Most recent service bulletins

The 20 most recent of 582 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Electrical · Engine 113742 July 29, 2026

SENSOR - TURBOCHARGER SPEED

Electrical · Engine 113744 July 29, 2026

SENSOR - TURBOCHARGER SPEED

Service bulletin 113277 July 6, 2026

CORE – HEATER

Service bulletin 113276 July 6, 2026

CORE – HEATER

Body & structure · Electrical 113070 June 29, 2026

SWITCH – HEADLAMP

Electrical · Body & structure 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

Transmission & drivetrain 9100841 Rev 1 June 25, 2026

If customer concern diagnosis leads to suspect u-joint issue with the prop shaft, u-joint service kit should be utilized to fix concern. Prop shaft replacement would not be required.

Engine 112906 June 17, 2026

BEARING - CRANKSHAFT THRUST and KIT

Transmission & drivetrain 9100841 June 17, 2026

HD Front and Rear Prop Shafts Increase U-Joint Usage If customer concern diagnosis leads to suspect u-joint issue or failure with the prop shaft, u-joint service kit should be utilized to fix concern. Prop shaft replacement would not be required.

Engine 112906 June 17, 2026

BEARING - CRANKSHAFT THRUST and KIT

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.

Electrical 9100835 June 8, 2026

Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.

Body & structure · Electrical S2623000040 June 5, 2026

Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.

Body & structure S1623000028 REV.J June 5, 2026

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

Body & structure 9100831 June 4, 2026

For Dealer awareness, HD truck, eliminate 1 of 2 M8 Joints for Sidestep bracket to Body Attachment, Bolt and rivet (06102165AA, 06511062AA) per TCR # 402632, CN 80403-T18

Electrical · Body & structure S1623000028 REV.I May 29, 2026

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

Engine 111478 May 21, 2026

RADIATOR - ENGINE COOLING

← 2021 3500 problems All 3500 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.