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Diagnostic trouble code · Chevrolet

P0302 on Chevrolet vehicles Cylinder 2 is misfiring

P0302 is named on 7 Chevrolet model years (2018–2022): 16 manufacturer filings and 2 owner reports in NHTSA’s files, across Suburban, Tahoe, Colorado, Camaro.

Powertrain 7 model years 16 manufacturer filings 2 owner reports

Which Chevrolet model years name P0302

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2021 Chevrolet SuburbanEngine6—
2021 Chevrolet TahoeEngine32
2022 Chevrolet ColoradoElectrical System3—
2022 Chevrolet CamaroEquipment1—
2021 Chevrolet ColoradoEngine1—
2020 Chevrolet ColoradoEngine1—
2018 Chevrolet ColoradoEngine1—

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.

Engine 14 Electrical System 2 Power Train 1 Equipment 1
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Chevrolet filings that name P0302

Source: NHTSA manufacturer communications

Bulletins and campaigns Chevrolet 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.

What P0302 means

Source: SAE J2012 / OBD-II

Cylinder 2 is misfiring.

A stored code names the test that failed, never the part that caused it. The record above is what Chevrolet 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 P0302 a known problem on Chevrolet vehicles?

It is a documented one: NHTSA's files hold 16 manufacturer filings and 2 owner reports naming P0302 on 7 Chevrolet 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 Chevrolet models does P0302 appear on most?

2021 Suburban (6 documents), 2021 Tahoe (5 documents), 2022 Colorado (3 documents).

Does P0302 on a Chevrolet 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.