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HomeBulletinsHonda ATI&04152024902
Manufacturer communication · Service bulletin

Honda bulletin ATI&04152024902

Honda filed this with NHTSA as a service bulletin dated Apr 15, 2024, received Apr 17, 2024, about the engine and engine cooling. It names 1 model year (2018). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.

What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold] stored. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to your attempting a repair of any kind.

Kind Service bulletin Manufacturer date Apr 15, 2024 Received by NHTSA Apr 17, 2024 Components Engine And Engine Cooling

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
ATI&04152024902Service bulletinApr 15, 202410253302not yet checked

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.

Model years it names

Source: as the manufacturer filed them

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

Common questions

Source: NHTSA, 49 CFR 579.5

Is Honda ATI&04152024902 a recall?

No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the ATI&04152024902 repair free?

Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.

Which vehicles does ATI&04152024902 cover?

The manufacturer filed it against 1 model year: 2018 Honda Fit. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.