Component

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

1,956 NHTSA complaints about service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module issues across 41 makes and 335 models.

Data updated August 2026. Counts render from the NHTSA Office of Defects Investigation standardized component field; severity flags cross-reference NHTSA ODI complaint flags for owner-reported crash, fire, and injury markers. This page is for informational purposes and does not replace NHTSA recall notices or a vehicle-specific inspection. Methodology · Corrections.

NHTSA ODI component intake brief

ODI category SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

1,956 filings · 335 models · 41 makes · vintage August 2026

  • FILINGS MODERATE 1,956 ODI rows
  • MODELS 335 nameplates citing this part
  • MAKES 41 manufacturers in corpus
  • CRASH 5.6% 109 crash-flagged
  • RANK #110 of 696 categories
  • SEV INJURY 2 deaths · 57 injuries
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE (this)SERVICE BRAKES, HYDRAULIC:AN…1,956STEERING:HYDRAULIC POWER ASSIST:PUMPSTEERING:HYDRAULIC POWER ASS…1,949ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTORENGINE AND ENGINE COOLING:EX…2,005ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLYENGINE AND ENGINE COOLING:CO…2,032
ODI filing volume neighbourhood: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE vs nearest complaint-total peers

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE sits MODERATE on ODI intake volume (#110 of 696 standardized categories) with a INJURY severity stamp (2 reported fatalities across 335 models). Open Toyota Prius (category leader) →

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE filing-volume reading

The standout signal for service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module is ODI intake volume: 1,956 filings (MODERATE band · #110 of 696 standardized categories) across 335 nameplates. Crash-flag share is 5.6%.

Moderate-volume categories still show a fingerprint in the model table below, cross-check each nameplate's recall and investigation history before inferring a defect pattern.

Next step: compare Toyota Prius against STEERING:HYDRAULIC POWER ASSIST:PUMP on filing totals before treating service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module volume as a purchase signal.

1,956
Complaints
335
Models Affected
109
Crashes
57
Fires
2
Deaths

Most Affected Vehicles

# Vehicle Complaints
1 Toyota Prius
194
2 Chevrolet Silverado
186
3 Volkswagen Passat
166
4 Ford Escape
68
5 Ford Windstar
64
6 GMC Sierra
47
7 Chevrolet Silverado 1500
42
8 Audi A4
40
9 Hyundai Genesis
32
10 Chevrolet Tahoe
31
11 Chevrolet Blazer
28
12 Toyota Sequoia
27
13 Ford F-150
26
14 Audi A6
26
15 Chevrolet Suburban
23
16 Volvo S70
19
17 Ford Explorer
19
18 Dodge Durango
19
19 Chevrolet S10
18
20 Volvo 850
17
21 Audi S4
15
22 Volvo V70
14
23 Honda Accord
14
24 Ford Expedition
14
25 Mazda Tribute
13
26 Isuzu Rodeo
13
27 GMC Yukon XL
12
28 Chevrolet C/K Pickups
12
29 Chevrolet Astro
12
30 GMC Yukon
11

Recent Complaints

2017 RAM 1500

The contact owns a 2017 RAM 1500. The contact stated that upon starting the vehicle, the check engine, ABS, and the traction control warning lights were illuminated. The vehicle was taken to an indepe

2013 Hyundai Azera Fire

The Car started to emit Smoke while Driving on highway. All the feature indicate that the issue is purely related to the recall but the Hyndai took in the vehicle and gave me a decision that the engin

2015 Ford Explorer

The contact owns a 2015 Ford Explorer. The contact stated while driving at an undisclosed speed, the ABS and several unknown warning lights illuminated. The contact stated that the failure had occurre

2016 RAM 1500

The contact owns a 2016 Ram 1500. The contact stated while the vehicle was parked, the ABS control module warning light and the braking system warning light illuminated. The vehicle was taken to a dea

2017 RAM 1500

The contact owns a 2017 Ram 1500. The contact stated that while driving at 45 MPH, the ABS, traction control, and brake warning lights were illuminated. The vehicle was taken to the local dealer, who

2016 RAM 1500

The contact owns a 2016 Ram 1500. The contact stated while operating the vehicle, the message "Service ABS" remained displayed with the check engine and traction control warning lights remaining illum

2018 RAM 3500

The contact owns a 2018 Ram 3500. The contact stated while driving at various speeds or while at a traffic light, the “Service ABS system Soon” message was displayed. There was an abnormal dinging sou

2023 BMW X1

See attached document for complaint

2018 RAM 2500

The contact owns a 2018 Ram 2500. The contact stated that while driving at an undisclosed speed, the electronic service system warning light illuminated, and the ABS, and traction control warning ligh

2018 RAM 2500

The contact owns a 2018 Ram 2500. The contact stated while driving 55 MPH, an alarm sounded, and the ABS and traction control warning lights illuminated. The contact stated that the failure had been r

2018 RAM 2500

The contact owns a 2018 Ram 2500. The contact stated that while driving at an undisclosed speed, the ABS warning light illuminated. The vehicle was taken to the dealer, where it was determined that th

2012 Hyundai Tucson

See attached document for complaint

2013 Hyundai Santa FE

See attached document for complaint

2012 Hyundai Elantra

See attached document for complaint

2017 RAM 3500

The contact owns a 2017 Ram 3500. The contact stated that while driving at unknown speeds, the ABS and traction control warning lights were flashing and turning on and off. The contact was unable to h

2018 RAM 2500

The contact owns a 2018 Ram 2500. The contact stated while operating the vehicle, the ABS and Traction Control warning lights continuously flashed off and on or remained illuminated. Also, during the

2018 RAM 2500

There is a failure in the brake system. Either the HCU or ABS module has failed. the cost of repair is in the 1500.00 range. I have since learned that this was/is a problem with this year of vehicle a

2018 RAM 2500

The contact owns a 2018 Ram 2500. The contact stated that while driving at various speeds, the ABS and traction control warning lights illuminated with the "Service Electronic Braking System" message

2015 Jeep Wrangler

The contact owns a 2015 Jeep Wrangler. The contact stated while driving at various speeds, the brake light, ABS, and traction control warning lights illuminated. The contact called an independent mobi

2018 RAM 2500

The contact owns a 2018 Ram 2500. The contact stated that while driving at an undisclosed speed, the ABS warning light and the traction control warning light intermittently illuminated. The vehicle wa

Verify with NHTSA · consumer-reported counts are not verified defect findings.