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Diagnostic trouble code · GMC

P0011 on GMC vehicles Camshaft timing on bank 1 is more advanced than commanded

P0011 is named on 8 GMC model years (2016–2023): 35 manufacturer filings and 1 owner report in NHTSA’s files, across Yukon, Sierra, Sierra 2500HD, Sierra 3500HD, Terrain.

Powertrain 8 model years 35 manufacturer filings 1 owner report

Which GMC model years name P0011

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2016 GMC YukonEngine13—
2018 GMC YukonEngine6—
2016 GMC SierraEngine6—
2020 GMC YukonEngine3—
2018 GMC Sierra 3500HDElectrical System3—
2016 GMC Sierra 2500HDEquipment3—
2023 GMC TerrainEngine—1
2016 GMC Sierra 3500HDEquipment1—

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 18 Equipment 12 Electrical System 4 Fuel/Propulsion System 2
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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.

Upon investigation the dealership found codes P0011, P0014, P0016, P0017, and quoted "Cylinder 4 intake rocker had fallen off and laying on head, found excessive debris and metal material around rocker 4, Found cylinder 2 intake rocker to…
2023 GMC Terrain Nov 7, 2025 NHTSA owner report

GMC filings that name P0011

Source: NHTSA manufacturer communications

Bulletins and campaigns GMC filed with NHTSA whose summary names P0011. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P0011 means

Source: SAE J2012 / OBD-II

Camshaft timing on bank 1 is more advanced than commanded.

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 P0011 a known problem on GMC vehicles?

It is a documented one: NHTSA's files hold 35 manufacturer filings and 1 owner report naming P0011 on 8 GMC model years (2016–2023). 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 P0011 appear on most?

2016 Yukon (13 documents), 2016 Sierra (6 documents), 2018 Yukon (6 documents).

Does P0011 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.