RAM 3500 Service Brakes, Hydraulic Problems

Source: NHTSA · Updated Oct 12, 2026 · 198 complaints analyzed

Owners have filed 198 complaints with NHTSA about service brakes, hydraulic problems on the RAM 3500 across 7 model years. The 2018 model year has the most (144). The words owners use most often: “traction control” (36% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Traction control: mentioned in 71 of 198 complaints (36%)
  • Hydraulic contacted: mentioned in 48 of 198 complaints (24%)
  • Service ABS: mentioned in 19 of 198 complaints (10%)
  • Audible chime: mentioned in 11 of 198 complaints (6%)

At what mileage do service brakes, hydraulic problems happen?

Based on 147 complaints that reported the odometer reading.

Under 10k miles8 · 5%
10k–25k miles16 · 11%
25k–50k miles38 · 26%
50k–75k miles33 · 22%
75k–100k miles15 · 10%
100k–150k miles20 · 14%
150k+ miles17 · 12%

How serious are the reports?

Of 198 complaints, 4 mention a crash, 1 a fire.

RAM 3500 service brakes, hydraulic complaints by model year

Peak: 2018, with 144 complaints
2014: 1201412016: 1201612017: 472017472018: 14420181442020: 1202012022: 2202222026: 220262

n = 198 complaints · Source: NHTSA

Model yearService Brakes, Hydraulic complaintsShare of that yearMedian miles
2026 350027%458
2022 350021%41,085
2020 350011%7,000
2018 350014418%59,000
2017 35004715%65,000
2016 350011%117,000
2014 350010%63,000

When owners reported it

Peak: 2025, with 79 complaints
2019: 1201912021: 1202112022: 6202262023: 242023242024: 172024172025: 792025792026: 70202670

n = 198 complaints · Source: NHTSA

Related recalls (3)

Service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/moduleNov 27, 2024 · NHTSA campaign 24V896000 · 317,630 vehicles

Model years: 2017, 2018

Problem: Chrysler (FCA US, LLC) is recalling certain 2017-2018 Ram 2500 Pickup, Ram 3500 Pickup, 3500 Cab Chassis, 4500 and 5500 Cab Chassis vehicles. The hydraulic control unit (HCU) may fail, which can cause the anti-lock brake (ABS), electronic stability control (ESC), and traction control systems to fail.

Risk: A loss of anti-lock brakes, electronic stability control, or traction control can increase the risk of a crash.

Fix: Dealers will replace the brake HCU, or replace the HCU motor, free of charge. Owner notification letters were mailed beginning January 9, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is C4B.

Electronic stability control (esc); service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/moduleMar 10, 2022 · NHTSA campaign 22V140000 · 370,437 vehicles

Model years: 2019, 2020, 2021, 2022

Problem: Chrysler (FCA US, LLC) is recalling certain 2019-2022 Ram 2500 and 2021-2022 Dodge Durango vehicles, and 2019-2022 3500 cab chassis with GVWR less than 10,000 lbs. The ABS control module software may prevent the electronic stability control (ESC) malfunction indicator light from illuminating during certain conditions. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 126, "Electronic Stability Control Systems."

Risk: An ESC malfunction indicator light that fails to illuminate during an electronic stability control problem can increase the risk of a crash.

Fix: Dealers will update the ABS control module software, free of charge. Owner notification letters were mailed March 29, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Z20.

Service brakes, hydraulic:foundation components:disc:caliperAug 29, 2019 · NHTSA campaign 19V635000 · 5,495 vehicles

Model years: 2019

Problem: Chrysler (FCA US LLC) is recalling certain 2019 Ram 2500, 3500 and 3500 Cab Chassis trucks. The brake calipers may have been manufactured with an incorrect assembly fluid, which can cause the caliper's rubber seals to swell.

Risk: The swollen seals can cause the brakes to drag, potentially overheating the brakes and increasing the risk of a crash.

Fix: FCA US will notify owners, and dealers will replace the front brake calipers and brake hoses and bleed the brakes, free of charge. The recall began October 24, 2019. Owners may contact FCA US customer service at 1-800-853-1403. FCA US' number for this recall is V98.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

The contact owns a 2018 Ram 3500. The contact received notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair…

Received Sep 30, 2026 · NHTSA complaint 11768059

The contact owns a 2017 Ram 3500. The contact received notification of NHTSA Campaign Number: 24V896000 (SERVICE BRAKES, HYDRAULIC); however, the part to do the recall repair was unavailable. The manufacturer was contacted and it was confirmed that the part was not yet available. The contact stated…

Received Sep 28, 2026 · NHTSA complaint 11767488

The contact owns a 2018 Ram 3500. The contact stated that the ABS warning light intermittently flashed on the instrument panel while driving at various speeds. The contact stated that an audible chime was sounded with the warning light illuminated and the ABS, traction control, and cruise control…

Received Sep 25, 2026 · NHTSA complaint 11766920

The contact owns a 2018 Ram 3500. The contact received notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The dealer was contacted and referred the contact to the manufacturer for assistance. The…

Received Sep 21, 2026 · NHTSA complaint 11765765

The contact owns a 2017 Ram 3500. The contact received notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to complete the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the…

Received Sep 16, 2026 · NHTSA complaint 11764788

Frequently asked questions

Do all RAM 3500s have service brakes, hydraulic problems?

No. NHTSA has 198 owner complaints about service brakes, hydraulic for the RAM 3500. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the RAM 3500 service brakes, hydraulic?

Yes: 3 safety recalls list service brakes, hydraulic. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

What do owners say about service brakes, hydraulic problems on the RAM 3500?

The most frequent phrase is “traction control”, in 71 of 198 complaints, followed by “hydraulic contacted” (48).

Other RAM 3500 problems

See all RAM 3500 problems.