Component

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

2,005 NHTSA complaints about engine and engine cooling:exhaust system:emission control:catalytic convertor issues across 43 makes and 420 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 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

2,005 filings · 420 models · 43 makes · vintage August 2026

  • FILINGS MODERATE 2,005 ODI rows
  • MODELS 420 nameplates citing this part
  • MAKES 43 manufacturers in corpus
  • CRASH 0.7% 15 crash-flagged
  • RANK #109 of 696 categories
  • SEV INJURY 4 deaths · 41 injuries
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR (this)ENGINE AND ENGINE COOLING:EX…2,005ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLYENGINE AND ENGINE COOLING:CO…2,032EXTERIOR LIGHTING:BRAKE LIGHTSEXTERIOR LIGHTING:BRAKE LIGH…2,042FUEL SYSTEM, GASOLINE:DELIVERYFUEL SYSTEM, GASOLINE:DELIVE…2,045
ODI filing volume neighbourhood: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR vs nearest complaint-total peers

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR sits MODERATE on ODI intake volume (#109 of 696 standardized categories) with a INJURY severity stamp (4 reported fatalities across 420 models). Open Nissan Altima (category leader) →

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR filing-volume reading

The standout signal for engine and engine cooling:exhaust system:emission control:catalytic convertor is ODI intake volume: 2,005 filings (MODERATE band · #109 of 696 standardized categories) across 420 nameplates. Crash-flag share is 0.7%.

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 Nissan Altima against ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY on filing totals before treating engine and engine cooling:exhaust system:emission control:catalytic convertor volume as a purchase signal.

2,005
Complaints
420
Models Affected
15
Crashes
95
Fires
4
Deaths

Most Affected Vehicles

# Vehicle Complaints
1 Nissan Altima
101
2 KIA Soul
83
3 Honda Accord
59
4 Jeep Wrangler
50
5 Dodge Dakota
38
6 Ford F-150
37
7 Ford Explorer
35
8 Toyota Corolla
34
9 Ford Taurus
29
10 Jeep Grand Cherokee
28
11 Ford Contour
27
12 Nissan Pathfinder
25
13 KIA Sportage
25
14 Chevrolet Blazer
25
15 Volkswagen Jetta
24
16 Jeep Cherokee
24
17 Chevrolet Impala
23
18 Volkswagen Passat
21
19 Toyota Camry
21
20 Mazda 626
21
21 Ford Escape
20
22 Dodge RAM 1500
20
23 Mazda MPV
19
24 Honda Civic
19
25 Mercedes-Benz Ml320
18
26 Dodge RAM
17
27 Ford Mustang
16
28 Nissan Sentra
15
29 Nissan Maxima
14

Recent Complaints

2018 Hyundai Tucson

The contact owns a 2018 Hyundai Tucson. The contact stated that while driving at an undisclosed speed, the vehicle lost automotive power. The vehicle was pulled over to the shoulder lane, engine oil w

2013 Dodge Grand Caravan

The contact owns a 2013 Dodge Grand Caravan. The contact stated that while driving at various speeds, the vehicle jolted and hesitated while depressing the accelerator pedal. The check engine warning

2019 Cadillac XT5

The contact owns a 2019 Cadillac XT5. The contact stated that while leaving the driveway, there was an abnormal sound coming from the vehicle. The contact stated that while driving at 65 MPH, there wa

2016 Hyundai Tucson

The contact owns a 2016 Hyundai Tucson. The contact stated that after coming to a complete stop, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The vehicle went i

2015 Chevrolet Tahoe

The contact owns a 2015 Chevrolet Tahoe. The contact stated that while driving 65 MPH, the vehicle hesitated and the temperature gauge failed to function as needed, with an abnormally loud sound comin

2016 KIA Soul

The contact owns a 2016 Kia Soul. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The contact became aware that there was oil leaking from th

2019 Ford Expedition

The contact owns a 2019 Ford Expedition. The contact received notification of NHTSA Campaign Number: 25E070000 (Power Train); however, the part to do the recall repair was unavailable. The contact sta

2019 Cadillac CTS

The contact owns a 2019 Cadillac CTS. The contact stated that while driving at 40 MPH, the check engine warning light illuminated. The vehicle was taken to an Auto Parts Store and was diagnosed with c

2018 Hyundai Tucson

The contact's sister owns a 2018 Hyundai Tucson. The contact stated that while his sister was driving at an undisclosed speed, the vehicle briefly jerked and jolted, prompting her to pull over to the

2020 Chevrolet Traverse

The contact owns a 2020 Chevrolet Traverse. The contact stated that while driving at undisclosed speeds, there were abnormal sounds coming from the exhaust system. The contact stated that the vehicle

2016 KIA Soul

Catalytic converter may become damaged due to overheating caused by and excessive increase of exhaust gas temperatures.

2013 KIA Soul

The contact owns a 2013 Kia Soul. The contact stated that while driving at 45 MPH, the vehicle stalled and experienced a loss of automotive power, with the check engine warning light illuminated. The

2016 KIA Soul

The contact owns a 2016 Kia Soul. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate as intended while depressing the accelerator pedal. No warning lights

2018 Chevrolet Traverse

The contact owns a 2018 Chevrolet Traverse. The contact stated that while operating the vehicle, the check engine warning light remained illuminated. The vehicle was taken to an independent mechanic w

2015 Subaru Outback

The contact owns a 2015 Subaru Outback. The contact stated that while starting the vehicle, there was an abnormal exhaust odor entering the cabin of the vehicle through the vents. No warning lights we

2014 Jeep Compass

The contact's daughter owns a 2014 Jeep Compass. The contact stated that initially, while driving approximately 65 MPH, the rear-end of the vehicle was swaying. Upon inspection, there was severe rust

2017 Buick Envision

The contact's friend owns a 2017 Buick Envision. The contact stated that while driving at approximately 45 MPH, the engine warning light illuminated. The vehicle was taken to an independent mechanic,

2019 Ford F-150

The contact owns a 2019 Ford F-150. The contact stated that while operating the vehicle, the check engine warning light illuminated, and an egg-like odor was present during start-up. The vehicle was t

2019 Ford F-150

The contact owns a 2019 Ford F-150. The contact stated while driving 30 MPH, the vehicle started to jerk and stalled while in fifth gear and depressing the accelerator pedal. The check engine warning

2017 Mercedes-Benz Sprinter 2500

The contact owns a 2017 Mercedes-Benz Sprinter 2500. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intende

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