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Diagnostic trouble code · GMC

P023F on GMC vehicles

P023F is named on 22 GMC model years (2020–2024): 133 manufacturer filings and 4 owner reports in NHTSA’s files, across Yukon, Savana, Acadia, Sierra, Terrain and 3 more.

Powertrain 22 model years 133 manufacturer filings 4 owner reports

Which GMC model years name P023F

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2023 GMC YukonElectrical System15—
2023 GMC SavanaElectrical System14—
2022 GMC YukonFuel/Propulsion System12—
2021 GMC YukonFuel/Propulsion System12—
2021 GMC AcadiaFuel/Propulsion System72
2023 GMC AcadiaElectrical System71
2022 GMC AcadiaFuel/Propulsion System71
2022 GMC SavanaElectrical System8—
2021 GMC SavanaFuel/Propulsion System8—
2023 GMC SierraElectrical System7—
2023 GMC TerrainElectrical System7—
2022 GMC TerrainFuel/Propulsion System7—
2022 GMC SierraFuel/Propulsion System6—
2021 GMC TerrainElectrical System5—
2024 GMC SavanaEngine3—
2020 GMC SavanaEngine2—
2024 GMC AcadiaEngine1—
2024 GMC CanyonEngine1—
2024 GMC TerrainEngine1—
2023 GMC CanyonEngine1—
2023 GMC Sierra 2500HDEngine1—
2023 GMC Sierra 3500HDEngine1—

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.

Electrical System 53 Engine 44 Fuel/Propulsion System 40
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What GMC owners said

Source: NHTSA complaint database

Owners’ own words, scrubbed of anything identifying. Unverified reports filed with NHTSA — what was said, not a finding that it was true.

The independent mechanic attached the mobile diagnostic tester to the vehicle and retrieved DTC: P023F, which indicated fuel pump secondary circuit failure
2021 GMC Acadia at 78,200 miles Jan 21, 2026 NHTSA owner report

GMC filings that name P023F

Source: NHTSA manufacturer communications

Bulletins and campaigns GMC filed with NHTSA whose summary names P023F. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P023F means

Source: SAE J2012 / OBD-II

P023F 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 GMC and its owners have filed about it; the code’s page across every make has the whole file.

From here

Common questions

Source: NHTSA files and the OBD-II standard

Is P023F a known problem on GMC vehicles?

It is a documented one: NHTSA's files hold 133 manufacturer filings and 4 owner reports naming P023F on 22 GMC model years (2020–2024). 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 GMC models does P023F appear on most?

2023 Yukon (15 documents), 2023 Savana (14 documents), 2022 Yukon (12 documents).

Does P023F on a GMC 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.