P0746 on Buick vehicles
P0746 is named on 9 Buick model years (2018–2025): 24 manufacturer filings and 0 owner reports in NHTSA’s files, across Enclave, Encore.
Which Buick model years name P0746
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2024 Buick Enclave | Power Train | 5 | — |
| 2024 Buick Encore | Power Train | 5 | — |
| 2020 Buick Encore | Power Train | 3 | — |
| 2021 Buick Enclave | Power Train | 2 | — |
| 2021 Buick Encore | Power Train | 2 | — |
| 2020 Buick Enclave | Power Train | 2 | — |
| 2019 Buick Enclave | Power Train | 2 | — |
| 2018 Buick Enclave | Power Train | 2 | — |
| 2025 Buick Encore | Power Train | 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.
Buick filings that name P0746
Source: NHTSA manufacturer communicationsBulletins and campaigns Buick filed with NHTSA whose summary names P0746. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- PIP5974A Service bulletin2024-08-13 · Power Train
- This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
- PIP5974B Service bulletin2024-08-13 · Power Train
- This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
- PIP5974C Service bulletin2024-09-04 · Power Train
- This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
- A202301230 Service bulletin2020-05-19 · Electrical System — Software
- SUB - Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a stop/start event. DTC?s P0746 and P0776 may also set illuminating a Check Engine Light. The main pump in the CVT has a priming delay under certain conditions. De
- PIE0720 Service bulletin2022-10-05 · Power Train
- This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Vehicle Will Not Move When in Drive, Neutral and/or Reverse and DTCs P0746, P0747 Set.
- PIE0720A Service bulletin2022-11-22 · Power Train
- This engineering information (EI) closure ends the need to gather further information from technicians in regards to Vehicle Will Not Move When in Drive, Neutral and/or Reverse and DTCs P0746, P0747 Set.
- PIP5974E Service bulletin2024-12-05 · Power Train
- This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
What P0746 means
Source: SAE J2012 / OBD-IIP0746 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 P0746 a known problem on Buick vehicles?
It is a documented one: NHTSA's files hold 24 manufacturer filings and 0 owner reports naming P0746 on 9 Buick model years (2018–2025). 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 P0746 appear on most?
2024 Enclave (5 documents), 2024 Encore (5 documents), 2020 Encore (3 documents).
Does P0746 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.