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NHTSA defect investigation · Preliminary Evaluation

Honda preliminary evaluation PE24008

Inadvertent Automatic Emergency Braking. NHTSA’s Office of Defects Investigation opened this preliminary evaluation about the automatic emergency braking on 8 model years (2019–2022). Opened Mar 7, 2024, closed Jan 17, 2025 after 10 months without a recall. closed

What NHTSA says

Source: Office of Defects Investigation, as filed

On March 7, 2024, the Office of Defects Investigation (ODI) opened a Preliminary Evaluation (PE24008) to assess reports of inadvertent activation of the Automatic Emergency Braking (AEB) system in model year 2019-2022 Honda Insight and 2019-2022 Honda Passport vehicles. The complainants allege activation of the AEB system with no apparent obstruction in the vehicle's path, resulting in rapid vehicle deceleration. Honda indicated that it is aware of a total of 412 reports that may relate to the alleged defect. Honda provided analysis of the alleged defect and stated that some customers possibly had an inadequate understanding of the AEB system and its limitations. However, many consumer complaints received by ODI allege that Honda dealerships were unable to reproduce the condition or state that Honda dealerships informed the consumer that this is considered normal AEB operation. To date, ODI has received a total of 106 consumer complaints of inadvertent activation of AEB in the subject vehicles. In total, ODI reviewed 475 reports involving vehicles with unique VINs that may relate to the alleged defect. Of the reports reviewed by ODI, three (3) allege a crash caused by the inadvertent activation of AEB and two (2) allege injury. This Preliminary Evaluation is being upgraded to an Engineering Analysis (EA25002) to further assess the scope, frequency, and potential safety related consequences of the inadvertent AEB activations. Further, the scope of the Engineering Analysis is being expanded to include assessment of model year 2023 Honda Passport vehicles. To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

Stage Preliminary Evaluation — NHTSA works to complete one within eight months Opened Mar 7, 2024 Closed Jan 17, 2025 Manufacturer Honda (American Honda Motor Co.) Components Forward Collision Avoidance › Automatic Emergency Braking, Forward Collision Avoidance

A Preliminary Evaluation is the first formal stage: NHTSA has decided the complaints and other information it screened are worth a closer look, and asks the manufacturer for its own data on the condition. The summary is the agency’s own text from its investigation file, unedited; the resumes carrying the full reasoning are linked below.

The paperwork NHTSA filed

Source: every document on this action, at nhtsa.gov
DocumentCodeFiledAt NHTSA
Opening resumeINOA2024PDF
Closing resumeINCLA2024PDF
Information request to the manufacturerINIM2024PDF
Manufacturer's response — dataINRD202423 files 1234567891011121314151617181920212223
Manufacturer's response — full submissionINRL20243 files 123
Filed documentINOV2024PDF
Filed documentINPS2024PDF
Filed documentINCV2024PDF

These are NHTSA’s own files, served from the agency’s site — the resumes are what ODI wrote when it opened and closed the action, and the rest is the correspondence behind them, including what the manufacturer sent when the agency asked. They are linked, not copied: where a document names the people who wrote in, that redaction is the agency’s to make and its copy is the one you should read.

What owners had already reported

Source: complaints on file the day it opened

When NHTSA opened this on Mar 7, 2024, owners had filed 567 complaints with the agency about the model years above, of which 105 named the forward collision avoidance NHTSA went on to investigate. Owner complaints are the agency’s main early signal: ODI screens them, and a Preliminary Evaluation is usually where a pattern in them ends up.

This is what the complaint file held on that date, not a claim about which reports prompted the investigation — NHTSA’s complaint records carry no investigation number, so nobody can make that link from the data alone. The opening resume linked above names the reports ODI itself cited. Complaint records on this site begin with 2016.

What this means for an owner

Source: and what happens next

An investigation is not a finding that a defect exists, and it puts no duty on anyone. NHTSA opens a Preliminary Evaluation when complaints and other reports suggest a condition worth asking the manufacturer about; it upgrades to an Engineering Analysis when the answers warrant testing; it closes either when it recommends a recall, when the manufacturer recalls on its own, or when no defect trend is found. The agency’s own goals are about four months for a petition, eight for a Preliminary Evaluation or a Recall Query and eighteen for an Engineering Analysis; many run longer.

This one closed without a recall. That means NHTSA found no defect trend it chose to act on at the time, or the manufacturer addressed the condition another way (a service campaign or a bulletin, which have their own pages). A closed file can be reopened if new reports arrive.

Model years it names

Source: as NHTSA filed them

A vehicle page’s investigation list carries the same action; a name here is the scope NHTSA opened, not a list of affected VINs.

Common questions

Source: NHTSA Office of Defects Investigation

Is PE24008 a recall?

No. A preliminary evaluation is NHTSA asking questions, not a recall. A safety recall carries an NHTSA campaign number and a duty to repair for free; this one closed without one. Whether one particular vehicle has an open recall is a VIN question at nhtsa.gov/recalls.

Is PE24008 still open?

No. It closed on Jan 17, 2025 without a recall.

Which vehicles does PE24008 cover?

NHTSA opened it on 8 model years: 2022 Honda Insight, 2021 Honda Insight, 2020 Honda Insight, 2019 Honda Insight, 2022 Honda Passport, 2021 Honda Passport and more. That is the scope of the inquiry, not a list of affected vehicles; a recall, if one follows, defines its own population by VIN.