NHTSA

Defect investigations

NHTSA opens defect investigations when complaint patterns suggest a possible safety risk. Browse all 4,173 investigations, including 93 currently open.

According to the National Highway Traffic Safety Administration (NHTSA), the agency Office of Defects Investigation has opened 4,161 formal defect investigations into U.S. vehicles as of June 2026. Each investigation can precede a recall; see our methodology for how these federal case files are tracked.

4,173
Total
93
Open
2329
Preliminary
871
Engineering
210
Recall Queries
Status: All Open
Type: All PEEARQ
PE89074 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89072 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89071 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89069 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89089 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89067 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89066 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89065 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89064 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89063 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89062 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89061 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89060 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89059 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89058 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89056 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89055 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89053 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89052 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89050 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89048 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89046 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89045 Preliminary Evaluation Closed
1989-02-17

UNDERHOOD FIRES

PE89041 Preliminary Evaluation Closed
1989-02-15

INADEQUATE CAP LUG NUTS

PE89043 Preliminary Evaluation Closed
1989-02-15

HEATER HOSE MISROUTING

PE89042 Preliminary Evaluation Closed
1989-02-13

HEADLIGHT RETAINING RING

PE89039 Preliminary Evaluation Closed
1989-02-09

PARKING BRAKE FAILURE

PE89040 Preliminary Evaluation Closed
1989-02-09

UNDERHOOD FIRES

Ford Ford

EA89013 Engineering Analysis Closed
1989-02-09

ROLLOVER PROPENSITY

PE89038 Preliminary Evaluation Closed
1989-02-09

UNDERHOOD FIRES

PE89037 Preliminary Evaluation Closed
1989-01-30

SEATBELT RETRACTOR JAMS

EA89012 Engineering Analysis Closed
1989-01-27

INJURES FINGERS

DP89005 Defect Petition Closed
1989-01-26

F-SERIES FUEL TANK FIRES

EA89011 Engineering Analysis Closed
1989-01-26

FAILS

DP89004 Defect Petition Closed
1989-01-23

SUDDEN ACCELERATION

PE89035 Preliminary Evaluation Closed
1989-01-19

STOP LAMPS

Chevrolet Chevrolet

PE89033 Preliminary Evaluation Closed
1989-01-18

SEAT ARM REST FAILURES

EA89010 Engineering Analysis Closed
1989-01-17

BRAKE INEFFECTIVENESS

PE89034 Preliminary Evaluation Closed
1989-01-17

FIRES

PE89032 Preliminary Evaluation Closed
1989-01-11

AIR BRAKE EMERGENCY VALVE

PE89031 Preliminary Evaluation Closed
1989-01-10

BRAKE LIGHT SWITCH

PE89030 Preliminary Evaluation Closed
1989-01-10

FRONT SEAT FAILURE

PE89029 Preliminary Evaluation Closed
1989-01-09

WIPERS

PE89036 Preliminary Evaluation Closed
1989-01-09

TRANSMISSION DOWNSHIFTING

EA89008 Engineering Analysis Closed
1989-01-05

DOOR HINGE PINS

EA89009 Engineering Analysis Closed
1989-01-05

POWER STEERING BRACKET

PE89028 Preliminary Evaluation Closed
1989-01-04

ELECTRONIC ACCEL

EA89007 Engineering Analysis Closed
1988-12-23

BRAKE LIGHT SWITCH

PE89026 Preliminary Evaluation Closed
1988-12-20

AIR SUSPENSION FAILURE

PE89027 Preliminary Evaluation Closed
1988-12-20

TAIL LIGHT WIRING FIRES

Understanding NHTSA Investigations

Preliminary Evaluation (PE)

Initial assessment of a potential safety defect, typically opened after receiving multiple consumer complaints about similar issues.

Engineering Analysis (EA)

In-depth technical evaluation that may include testing, data collection from manufacturers, and detailed defect analysis.

Recall Query (RQ)

Evaluation of the effectiveness of a previously issued recall remedy, often triggered when complaints persist after a recall.

Investigation Outcomes

Investigations may result in a voluntary recall by the manufacturer, a mandatory recall order, or closure if no defect is found.

Data from NHTSA Office of Defects Investigation. PlainCars does not rate or recommend vehicles. about how PlainCars sources NHTSA data.