P0496 on Buick vehicles
P0496 is named on 11 Buick model years (2016–2025): 22 manufacturer filings and 1 owner report in NHTSA’s files, across Encore, Enclave.
Which Buick model years name P0496
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2025 Buick Encore | Not specified | 3 | — |
| 2024 Buick Encore | Not specified | 3 | — |
| 2023 Buick Encore | Not specified | 3 | — |
| 2022 Buick Encore | Not specified | 3 | — |
| 2021 Buick Encore | Not specified | 3 | — |
| 2020 Buick Encore | Not specified | 3 | — |
| 2023 Buick Enclave | Fuel/Propulsion System | — | 1 |
| 2019 Buick Encore | Equipment | 1 | — |
| 2018 Buick Encore | Equipment | 1 | — |
| 2017 Buick Encore | Equipment | 1 | — |
| 2016 Buick Encore | Equipment | 1 | — |
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 Buick 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.
Note on code: This specific bulletin is strictly a noise concern and does NOT trigger a check engine light or throw trouble codes like P0496 on its own
Buick filings that name P0496
Source: NHTSA manufacturer communicationsBulletins and campaigns Buick filed with NHTSA whose summary names P0496. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- PIP6037 Service bulletin2025-01-16 · Fuel/Propulsion System
- This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
- PIP6037A Service bulletin2025-01-31 · Unknown Or Other
- This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
- PIP6037A Service bulletin2025-01-22 · Unknown Or Other
- This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
- PIP5284A Service bulletin2018-12-19 · Equipment — Other — Owners/Service/Other Manual
- This Preliminary Information communicates to the dealer that if DTC P0496 continues to set after performing Strategy Based Diagnostics, the current customers drive cycle as this may contribute to the concern. It provides information on specific drive cycle concerns that may affect the setting of this DTC. It advises the dealer to review the customers current drive cycle and to if necessary to prov
What P0496 means
Source: SAE J2012 / OBD-IIP0496 sits in the generic range of the OBD-II standard, so it means the same thing on every vehicle sold in the United States — but WhichTrim does not carry a definition for it and will not invent one. What is on this page is the record: who named it and on what.
A stored code names the test that failed, never the part that caused it. The record above is what Buick 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 P0496 a known problem on Buick vehicles?
It is a documented one: NHTSA's files hold 22 manufacturer filings and 1 owner report naming P0496 on 11 Buick model years (2016–2025). 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 Buick models does P0496 appear on most?
2025 Encore (3 documents), 2024 Encore (3 documents), 2023 Encore (3 documents).
Does P0496 on a Buick 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.