AutoUtility currently tracks 21 official NHTSA owner defect complaints for the 2018 Cadillac ATS. Powertrain & Transmission issues are the most frequently reported category, appearing in 6 complaints (28.6% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash, 1 reports one or more injuries.
- • Total NHTSA Complaints: 21 reports
- • #1 Reported Problem Area: Powertrain & Transmission (6 reports • 28.6% of submitted complaints)
- • Secondary Problem Areas: Electrical System (3), Steering System (3)
- • Crash-Citing Complaints: 1 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 1 injury filings • 0 fatality filings
Most Reported Problems for 2018 Cadillac ATS
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Powertrain & Transmission
Electrical System
Steering System
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #25V175000 STEERING:ELECTRIC POWER ASSIST SYSTEM
Fuel & Propulsion System
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #18V358000 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Air Bags & Restraints
Recent NHTSA Owner Reports for 2018 Cadillac ATS
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Both side mirrors failed. Internal components corroded, one almost fell off when driving, the other later became completely detached. Failed parts that could have caused a major safety issue if they were to fail during operation."
"The contact owns a 2018 Cadillac ATS. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed, and the mechanic determined that the F-module, Part Number: 86815664, used to control the engine Auto START/STOP,..."
"Rear differential. This part will be available after removal. This put me at risk of potentially locking up while driving. According to the dealership, Faulkner Cadillac, "found rear differential bearings damaged, causing noise in the rear end. The Rear Differential will need replaced." There were..."
"My vehicle recently started experiencing an issue where the power steering would randomly cut out while I was driving. If I pulled over and shut the car off and then turned it back on the power steering would come back. But sometimes I would have to do this multiple times in a single drive just to..."
"The power steering will randomly stop working while driving! We have had it in the shop 3 times and they can't find anything! We have replaced alternator, battery and it still isn't fixed! I seen u had a recall on the 16, 17, and some 18s for this issue! We have always bought GMs and are very..."
Complaint History for Cadillac ATS
Reported defect complaint volume across sibling model years (2015–2019)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Cadillac ATS | 29 | 1 | 4 | View 2015 Problems → |
| 2016 Cadillac ATS | 35 | 3 | 3 | View 2016 Problems → |
| 2017 Cadillac ATS | 33 | 1 | 2 | View 2017 Problems → |
| 2018 Cadillac ATS Current Page | 21 | 1 | 2 | Current |
| 2019 Cadillac ATS | 2 | 0 | 0 | View 2019 Problems → |
Detailed NHTSA Component Breakdown for 2018 Cadillac ATS
Complete distribution of consumer defect reports across all 12 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Powertrain NHTSA category: POWER TRAIN | 5 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 3 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 2 | 1 | 0 | 1 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 2 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EQUIPMENT,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| Suspension NHTSA category: SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 1 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.