TSB A24-085 — Honda Service bulletin

A24-085 is a service bulletin on file with NHTSA for 4 Honda models, 2016–2024 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Service Bulletin - MIL flashes and vehicle will not accelerate, low power. After cycling the ignition, the symptom does not return with no stored DTCs. This issue is more common in regions with cold weather (specifically near or below freezing temperatures). Usually after a long…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

2Documents filed
4Vehicles named
9Model years

Vehicles and model years A24-085 names

VehicleModel years
Honda Odyssey 2018, 2019, 2020, 2021
Honda Passport 2019, 2020, 2021, 2022, 2024
Honda Pilot 2016, 2017, 2018, 2019, 2020, 2021
Honda Ridgeline 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024

Every document filed under A24-085

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
A24-085 July 20, 2024 Service bulletin
A24-085 June 19, 2024 Service bulletin

What A24-085 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Honda Odyssey TSB years TSB lookup by model

Questions buyers ask

What is TSB A24-085?

A24-085 is a service bulletin filed with NHTSA by Honda, covering 4 Honda models across the 2016–2024 model years. NHTSA's summary reads: Service Bulletin - MIL flashes and vehicle will not accelerate, low power. After cycling the ignition, the symptom does not return with no stored DTCs. This issue is more common in regions with cold weather (specifically near or below freezing temperatures). Usually after a long…

Which vehicles does A24-085 cover?

NHTSA's file names Honda Odyssey (2018–2021); Honda Passport (2019–2022, 2024); Honda Pilot (2016–2021); Honda Ridgeline (2017–2024). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB A24-085 a recall, and is the repair free?

No. A24-085 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of A24-085?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under A24-085, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under A24-085. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.