Component

POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

1,007 NHTSA complaints about power train:automatic transmission:cooling unit and lines issues across 36 makes and 229 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 POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

1,007 filings · 229 models · 36 makes · vintage August 2026

  • FILINGS MODERATE 1,007 ODI rows
  • MODELS 229 nameplates citing this part
  • MAKES 36 manufacturers in corpus
  • CRASH 1.1% 11 crash-flagged
  • RANK #157 of 696 categories
  • SEV QUIET 0 deaths · 40 injuries
POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES (this)POWER TRAIN:AUTOMATIC TRANSM…1,007SUSPENSION:FRONT:MACPHERSON STRUTSUSPENSION:FRONT:MACPHERSON …1,006ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)ENGINE AND ENGINE COOLING:EX…1,015EXTERIOR LIGHTING:TURN SIGNAL:SWITCHEXTERIOR LIGHTING:TURN SIGNA…1,016
ODI filing volume neighbourhood: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES vs nearest complaint-total peers

POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES sits MODERATE on ODI intake volume (#157 of 696 standardized categories) with a QUIET severity stamp (0 reported fatalities across 229 models). Open Dodge RAM (category leader) →

POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES severity reading

The standout signal for power train:automatic transmission:cooling unit and lines is severity: 0 reported fatalities and 40 injuries (QUIET stamp) on 1,007 filings (MODERATE volume).

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 Dodge RAM against SUSPENSION:FRONT:MACPHERSON STRUT on filing totals before treating power train:automatic transmission:cooling unit and lines volume as a purchase signal.

1,007
Complaints
229
Models Affected
11
Crashes
140
Fires
0
Deaths

Most Affected Vehicles

# Vehicle Complaints
1 Dodge RAM
69
2 Dodge RAM 2500
38
3 Buick Lesabre
31
4 Dodge Caravan
26
5 Ford Taurus
25
6 Mazda 626
22
7 Dodge Intrepid
20
8 Chevrolet Blazer
19
9 Jeep Grand Cherokee
17
10 Ford Explorer
16
11 Dodge Grand Caravan
16
12 Dodge Neon
15
13 Ford F-250
14
14 Ford F-150
14
15 Dodge RAM 3500
14
16 Dodge RAM 1500
14
17 Chevrolet Silverado 2500
14
18 Plymouth Grand Voyager
13
19 Oldsmobile 88
13
20 Mercury Sable
13
21 Jeep Cherokee
13
22 Chrysler Sebring
13
23 Pontiac Bonneville
12
24 Mitsubishi Galant
12
25 Ford Windstar
12
26 Eagle Vision
12
27 Dodge Stratus
12
28 Chevrolet S10
12
29 Dodge Dakota
11
30 Buick Park Avenue
11

Recent Complaints

2012 Toyota Tacoma

The contact owns a 2012 Toyota Tacoma. The contact stated that the undercarriage of the vehicle was significantly rusted. The TPMS warning light was illuminated. The vehicle was taken to the local dea

2000 Chevrolet Silverado 2500

The contact owns a 1989 Chevrolet C/K2500. The contact stated while driving at an undisclosed speed, the transmission was slipping. The vehicle was driven back to the residence. The contact’s husband

2015 Ford Fiesta Crash

The contact owns a 2015 Ford Fiesta. The contact stated that while attempting to park the vehicle with his foot on the brake pedal and off the accelerator, the vehicle inadvertently accelerated to an

2013 Ford Expedition

Transmission fluid cooler line ruptured causing loss of propulsion. There is a known and common problem with the cooler lines breaking at the fitting where the Transmission lines meet the cooler.

2008 Lexus GS Hybrid Crash

The contact owns a 2008 Lexus GS 450 Hybrid. The contact stated that after his vehicle was rear-ended by another vehicle, the check engine light was illuminated and the vehicle was not able to start.

2013 Nissan Rogue

TL* THE CONTACT OWNS A 2013 NISSAN ROGUE. THE CONTACT STATED WHILE HIS DAUGHTER WAS DRIVING 65 MPH, THE VEHICLE INDEPENDENTLY DECELERATED TO 35 MPH AND FAILED TO ACCELERATE. THERE WERE NO WARNING LIG

2012 Nissan Altima

TL* THE CONTACT OWNS A 2012 NISSAN ALTIMA. WHILE DRIVING 75 MPH, THE VEHICLE DECELERATED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO LARRY H. MILLER NISSAN HIGHLANDS RANCH (91320 PLUM VALLEY LN, HIGHLAN

2013 Nissan Rogue

TL* THE CONTACT OWNS A 2013 NISSAN ROGUE. WHILE DRIVING AT UNKNOWN SPEEDS FOR OVER AN HOUR, THE VEHICLE LOST POWER AND STALLED. ALSO, THE CHECK ENGINE INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO H

2007 Chevrolet Silverado 2500

TL* THE CONTACT OWNS A 2007 CHEVROLET SILVERADO 2500. AFTER PARKING THE VEHICLE, THERE WAS FLUID LEAKING FROM THE FRONT OF THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS

2011 Buick Regal

2011 BUICK REGAL. CONSUMER WRITES IN REGARDS TO VEHICLE REPAIR ISSUES. *SMD THE CONSUMER STATED HE RECENTLY NOTICED SEVERAL FLUID SPOTS UNDER THE VEHICLE. AN INSPECTION REVEALED THE TRANSMISSION CO

2002 Dodge Dakota

2002 DODGE DAKOTA CONSUMER IS CONCERNED ABOUT BRAKE LINE *CN THE CONSUMER STATED THE VEHICLE WAS MANUFACTURED WITH INFERIOR MATERIALS. THE GAS TANK STRAPS BROKE AND THE TRANSMISSION AND BRAKE LINES H

2003 GMC Sierra 2500

BRAKE LINE LEAKS, BRAKE STOPPED WORKING BECAUSE OF RUSTED BRAKE LINES. ALSO FUEL AND TRANSMISSION LINES ARE RUSTED BADLY. *TR

2012 Jeep Wrangler

WHEN I FIRST RECEIVED NOTICE OF THE RECALL FOR THE TRANSMISSION OIL COOLER TUBE PROBLEM I CONTACTED MY DEALER RIGHT AWAY, THEY SAID THEY WOULD NOT RECEIVE PARTS FOR AT LEAST 2 MONTHS. I CALLED AGAIN I

2006 Chevrolet Silverado

SERVICE BRAKELINES ROTTED AND CAUSED A COMPLETE LOSS OF SERVICE BRAKES - WHILE DRIVING AND CLOSE TO HOME - USED EMERGENCY BRAKES AND LOW GEAR TO GET TO HOME. SPOKE TO FRIEND AT CHEVY DEALER. THEY ARE

2012 Jeep Wrangler

I RESPONDED TO A SAFETY RECALL ( N29/NHTSA/ 13V-234 FOR A DEFECTIVE TRANSMISSION OIL COOLER TUBE) RECEIVED IN SEPT. 2013. I CALLED THE DEALER AND WAS TOLD THE PART WAS NOT IN STOCK, BUT WOULD BE ORD

2005 Chevrolet Silverado

DRIVING BACK TO WORK FROM LUNCH ON BUSY 4 LANE HIGHWAY, BRAKE PEDAL WENT TO FLOOR. NARROWLY AVOIDED A COLLISION AT A RED LIGHT. PUT FLASHERS ON, LOWERED THE GEAR SELECTOR, AND USED COMBO OF MINIMAL

2008 Ford Escape

2008 FORD ESCAPE. CONSUMER STATES VEHICLE LOSS ALL POWER WHILE DRIVING *TGW WHEN THE MECHANIC OPENED THE HOOD, HE DISCOVERED THE ENGINE WAS COVERED IN FLUID. THE TRANSMISSION COOLER WAS LEAKING, AS W

2005 Nissan Xterra

OUR DAUGHTER WAS DRIVING HOME, LATE AT NIGHT, WHEN THE ENGINE BEGAN MAKING STRANGE SOUNDS AND LURCHING AT ABOUT 50 MPH. SHE WAS ONLY A FEW BLOCKS FROM HOME, SO DROVE HOME VERY SLOWLY. ON LATER INSP

2011 Hyundai Tucson

2011 HYUNDAI TUSCAN. CONSUMER WRITES IN REGARDS TO COOLING LINES, TRANSMISSIONS AND BRAKE SWITCHES REPLACEMENTS MORE THAN ONCE. *TGW THE CONSUMER STATED THE VEHICLE WOULD NT ACCELERATE WHEN THE ACC

2000 Chevrolet Silverado 1500

HI I WAS HAULING DEBRIS FROM MY YARD AND TAKING TO LAND FILL.ABOUT 800 TO 900LBS TOTAL. STOPPED AT CONVENIENCE STORE FOR GAS AND FOOD. PULLING OUT OF PARKING LOT, BRAKES GAVE OUT, BRAKE PEDAL WENT TO

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