NHTSA defect investigations in 2026: so far
OQRO holds 18 defect investigations from Jan 1, 2026 to Oct 9, 2026 from NHTSA Office of Defects Investigation, across 6 listed companies. Ford (F) has the most, with 6, ahead of General Motors (4) and Tesla (4). By kind: 7 defect petitions, 5 engineering analyses, 2 audit queries, 2 preliminary evaluations, 2 recall queries. The busiest month was August, with 4.
2026 is still running: the figures are year to date and grow as records arrive.
- Defect investigations
- 18
- Companies
- 6
- with at least one on file
- Most frequent: kind of case
- Defect petition
- 7
- Most on file
- F
- Ford, 6
Defect investigations per month, 2026
Companies with the most defect investigations, 2026
By kind of case, 2026
- Defect petition7
- Engineering analysis5
- Audit query2
- Preliminary evaluation2
- Recall query2
The most recent defect investigations of 2026
Tesla TSLAOpened Oct 9, 2026
Defect petition DP26010: electrical system, adas, autonomous/self driving, open
2026 Tesla Robotaxi (Model Y) and 2026 Tesla Robotaxi (Cybercab) · Exceeds posted speed limits in active school zones
General Motors GMOpened Oct 9, 2026
Recall query RQ26003: structure, body, bumpers, open
2024 Gmc Sierra 1500, 2023 Gmc Sierra 1500, 2022 Gmc Sierra 1500 · Upper Grille Deflector Detachment
Tesla TSLAOpened Sep 3, 2026
Audit query AQ26002, open
2026 Tesla Robotaxi (Cybercab) · Tesla Cybercab FMVSS Certification
Ford FOpened Sep 3, 2026
Defect petition DP26008: engine and engine cooling, open
2018 Ford Edge, 2017 Ford Edge, 2016 Ford Edge and 1 more · Loss of Motive Power
Ford FOpened Aug 24, 2026
Defect petition DP26007: service brakes, open
2024 Ford Maverick Hybrid · 2024 Ford Maverick Hybrid Intermittent Loss of Braking
General Motors GMOpened Aug 21, 2026
Engineering analysis EA26006: service brakes, open
2026 Gmc Canyon, 2026 Gmc Acadia, 2026 Chevrolet Traverse and 31 more · Electronic Brake Module Component Failure
Toyota Motor TMOpened Aug 20, 2026
Defect petition DP26006: engine and engine cooling, cooling system, open
2026 Toyota Grand Highlander Hybrid, 2026 Toyota Grand Highlander, 2025 Toyota Grand Highlander Hybrid and 3 more · Road debris/rocks damaging the heat exchangers
General Motors GMOpened Aug 20, 2026
Engineering analysis EA26005: engine, open
2026 Gmc Yukon Xl, 2026 Gmc Yukon, 2026 Gmc Sierra 1500 and 45 more · Loss of motive power due to engine failure post recall remedy
Ford FOpened Jul 31, 2026
Engineering analysis EA26004: engine and engine cooling, engine, gasoline, open
2018 Ford Focus, 2017 Ford Focus, 2017 Ford Fiesta and 5 more · Timing Belt Failure
Tesla TSLAOpened Jul 29, 2026
Preliminary evaluation PE26006: suspension, front, control arm, open
2023 Tesla Model Y, 2023 Tesla Model 3, 2022 Tesla Model Y and 4 more · Lower Lateral Link detachment
Honda Motor HMCOpened Jul 13, 2026
Defect petition DP26005: air bags, air bag/restraint control module, closed Sep 24, 2026
Filed as Honda (American Honda Motor Co.) · 2017 Honda Odyssey, 2016 Honda Odyssey, 2015 Honda Odyssey and 4 more · Inadvertent Deployment of Air Bags
Ford FOpened Jun 9, 2026
Audit query AQ26001: none, open
2025 Hyundai Palisade and 2021 Ford Expedition · NU Car rental of vehicles with open recalls
Rivian Automotive, Inc. RIVNOpened May 26, 2026
Preliminary evaluation PE26004: suspension, rear, open
2025 Rivian R1t, 2025 Rivian R1s, 2024 Rivian R1t and 5 more · Rear Toe Link May Separate
Ford FOpened Apr 9, 2026
Defect petition DP26004: service brakes, hydraulic, antilock/traction control/electronic limited slip, control unit/module, open
2010 Ford Fusion Hybrid · Anti-lock brake system (ABS) Malfunction Indicator Lamp (MIL) illuminated
Tesla TSLAOpened Mar 18, 2026
Engineering analysis EA26002: electrical system, adas, open
2026 Tesla Model Y, 2026 Tesla Model X, 2026 Tesla Model S and 40 more · FSD Collisions in Reduced Roadway Visibility Conditions
Honda Motor HMCOpened Mar 6, 2026
Defect petition DP26001: power train, automatic transmission, closed Aug 4, 2026
Filed as Honda (American Honda Motor Co.) · 2023 Acura Tlx Type S, 2023 Acura Tlx, 2023 Acura Mdx Type S and 7 more · All wheel drive allegation
Ford FOpened Jan 30, 2026
Engineering analysis EA26001: power train, automatic transmission, control module (tcm/pcm/tecm), open
2017 Ford F-150, 2016 Ford F-150, 2015 Ford F-150 · Unintended Transmission Downshift and Rear Wheel Lock-up
General Motors GMOpened Jan 16, 2026
Recall query RQ26001: engine, closed Aug 20, 2026
2024 Gmc Yukon Xl, 2024 Gmc Yukon, 2024 Gmc Sierra 1500 and 29 more · Loss of motive power due to engine failure post recall remedy
Common questions
How many defect investigations were there in 2026?
OQRO holds 18 defect investigations from Jan 1, 2026 to Oct 9, 2026 from NHTSA Office of Defects Investigation, across 6 listed companies.
Which company had the most defect investigations in 2026?
Ford (F) has the most, with 6, ahead of General Motors (4) and Tesla (4).
Where does the data come from?
NHTSA Office of Defects Investigation, read on a schedule and matched to listed companies by name. Cases come from NHTSA's investigations file, matched to a listed company by the manufacturer name NHTSA records. An investigation is a question the agency is asking, not a finding: many close without a recall.











