P0441 on Acura vehicles The evaporative purge is not flowing the way it should
P0441 is named on 12 Acura model years (2018–2026): 41 manufacturer filings and 1 owner report in NHTSA’s files, across MDX, TLX, RDX.
Which Acura model years name P0441
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2024 Acura MDX | Engine | 5 | — |
| 2018 Acura MDX | Engine | 4 | 1 |
| 2020 Acura MDX | Fuel/Propulsion System | 4 | — |
| 2020 Acura TLX | Fuel/Propulsion System | 4 | — |
| 2019 Acura MDX | Engine | 4 | — |
| 2019 Acura TLX | Fuel/Propulsion System | 4 | — |
| 2018 Acura TLX | Fuel/Propulsion System | 4 | — |
| 2026 Acura MDX | Engine | 3 | — |
| 2025 Acura MDX | Engine | 3 | — |
| 2023 Acura MDX | Engine | 2 | — |
| 2022 Acura MDX | Engine | 2 | — |
| 2018 Acura RDX | Fuel/Propulsion System | 2 | — |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
What Acura owners said
Source: NHTSA complaint databaseOwners’ own words, scrubbed of anything identifying. Unverified reports filed with NHTSA — what was said, not a finding that it was true.
MIL is displaying the following DTCs: P0441 P04F1 Acura dealership is stating TSB - 21-081 does not apply to my year, make, model vehicle
Acura filings that name P0441
Source: NHTSA manufacturer communicationsBulletins and campaigns Acura filed with NHTSA whose summary names P0441. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- B23-035 Service bulletin2023-12-15 · Fuel System, Gasoline
- Service Bulletin - Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow Malfunction).
- B23-035 Service bulletin2024-01-10 · Engine And Engine Cooling — Exhaust System — Emission Control
- Service Bulletin - The MIL comes on during vehicle operation due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow Malfunction).
- BTI&04202026901 Other2026-04-20 · Engine
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
- BPaS03302021901 Service bulletin2021-03-30 · Fuel System, Gasoline
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 MDXs (non-Hybrid) & TLX V6s with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kin
- BPaS04222021902 Service bulletin2021-04-22 · Engine And Engine Cooling
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 MDXs (non-Hybrid) & TLX V6s with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kin
- BTI&04292026901 Other2026-04-29 · Engine
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
- BTI&05122026901 Other2026-05-13 · Engine
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
What P0441 means
Source: SAE J2012 / OBD-IIThe evaporative purge is not flowing the way it should.
A stored code names the test that failed, never the part that caused it. The record above is what Acura and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P0441 a known problem on Acura vehicles?
It is a documented one: NHTSA's files hold 41 manufacturer filings and 1 owner report naming P0441 on 12 Acura model years (2018–2026). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Acura models does P0441 appear on most?
2024 MDX (5 documents), 2018 MDX (5 documents), 2020 MDX (4 documents).
Does P0441 on a Acura mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.