P0302 on GMC vehicles Cylinder 2 is misfiring
P0302 is named on 7 GMC model years (2018–2022): 12 manufacturer filings and 1 owner report in NHTSA’s files, across Sierra, Canyon, Terrain, Acadia.
Which GMC model years name P0302
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2021 GMC Sierra | Engine | 3 | 1 |
| 2022 GMC Canyon | Engine | 3 | — |
| 2019 GMC Terrain | Equipment | 2 | — |
| 2021 GMC Canyon | Electrical System | 1 | — |
| 2020 GMC Canyon | Engine | 1 | — |
| 2018 GMC Acadia | Electrical System | 1 | — |
| 2018 GMC Canyon | Engine | 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.
GMC filings that name P0302
Source: NHTSA manufacturer communicationsBulletins and campaigns GMC filed with NHTSA whose summary names P0302. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 23-NA-043 Service bulletin2023-04-19 · Engine And Engine Cooling
- This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 Set.
- 23-NA-043 Service bulletin2023-05-08 · Engine And Engine Cooling
- This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 Set.
- 23-NA-043 Service bulletin2024-02-26 · Engine And Engine Cooling
- This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 Set.
- 21-NA-036 Service bulletin2022-03-11 · Engine And Engine Cooling
- This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305.
- PIE0688 Service bulletin2022-04-01 · Electrical System
- This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the malfunction indicator lamp (MIL) illuminated on the driver information center (DIC) with DTCs P0300, P0302 and/or P050D Set.
- PIE0688A Service bulletin2022-06-03 · Engine And Engine Cooling
- This engineering information (EI) closure ends the need for further information from the field regarding malfunction indicator lamp (MIL) illuminated on the driver information center (DIC) with DTCs P0300, P0302 and/or P050D Set.
- PIE0505 Service bulletin2019-02-08 · Equipment — Other — Owners/Service/Other Manual
- This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of Engine Running Rough and/or Check EngineLight Illuminated, DTCs P0300, P0301, P0302, P0303, P0304 Set.
- PIE0505A Service bulletin2019-03-18 · Engine
- This engineering informational bulletin ends the need for information from the field on a Condition of Engine Running Rough and/or Check Engine Light Illuminated, DTCs P0300, P0301, P0302, P0303, P0304 Set.
What P0302 means
Source: SAE J2012 / OBD-IICylinder 2 is misfiring.
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.
Common questions
Source: NHTSA files and the OBD-II standardIs P0302 a known problem on GMC vehicles?
It is a documented one: NHTSA's files hold 12 manufacturer filings and 1 owner report naming P0302 on 7 GMC model years (2018–2022). 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 P0302 appear on most?
2021 Sierra (4 documents), 2022 Canyon (3 documents), 2019 Terrain (2 documents).
Does P0302 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.