Acura bulletin BTI&01192022901
What it saysDealer Message - American Honda Motor Co., Inc. NHTSA’s full summary ↓
Acura filed this with NHTSA as a service bulletin dated Jan 19, 2022, received Jan 26, 2022, about the equipment adaptive/mobility. It names 4 model years (2017). 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.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationDealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2017 MDXs, RDXs, RLXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P2652 (Rocker Arm Oil Pressure Switch B [Bank 1] Stuck On) & P3400 (Valve Pause System [VPS] Stuck Off Bank 1) stored. Client may also complain of rough engine running conditions. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
Trouble codes it names: P2652 P3400
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| BTI&01192022901 | Service bulletin | Jan 19, 2022 | 10206793 | PDF, 47 KB |
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.
Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.
Find the equipment adaptive/mobility for the 2017 MDX →Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 4 model years this bulletin names have filed 422 complaints with NHTSA since 2015. 144 of them name Engine — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
On the 2017 Acura MDX, the 36 owners who gave an odometer reading for Engine reported it at a median of 86,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
The contact owns a 2017 Acura Rdx. The contact stated while driving 45 MPH, the vehicle failed to accelerate and loss motive power. The vehicle coasted to a stop. The vehicle was restarted and operated as designed for less than one minute before the failure recurred. The contact stated the failure reoccurred at 35-40 MPH.
2017 Acura RDX · Engine · filed with NHTSA Oct 19, 2020 · ODI 11365183
Yesterday while stopped a light, the Mdx refused to move once I took my foot off the break. The engine became very loud and 'emissions system problem' and 'brake parking problem' appeared on the dashboard. The trunk opened but wdnt close automatically. I had to have the vehicle towed to the dealer.
2017 Acura MDX · Engine · filed with NHTSA Sep 9, 2018 · ODI 11128347
Catastrophic engine failure at speed, connecting rod failure, which is a known failure for this engine. Engine blew, lost all power, and hot oil hit the hot exhaust and the car caught on fire. A fire truck came to put out the engine fire
2017 Acura RLX · Engine · filed with NHTSA Apr 3, 2026 · ODI 11728965
In depth: 2017 Acura MDX engine problems →
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.

Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Acura, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Acura BTI&01192022901 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 BTI&01192022901 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. Every Honda warranty extension on file lists the ones Honda has filed.
Which vehicles does BTI&01192022901 cover?
The manufacturer filed it against 4 model years: 2017 Acura MDX, 2017 Acura RDX, 2017 Acura RLX, 2017 Acura TLX. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.