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Diagnostic trouble code · GMC

P06DD on GMC vehicles

P06DD is named on 10 GMC model years (2016–2025): 50 manufacturer filings and 3 owner reports in NHTSA’s files, across Yukon, Sierra.

Powertrain 10 model years 50 manufacturer filings 3 owner reports

Which GMC model years name P06DD

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2022 GMC YukonElectrical System8—
2021 GMC YukonEngine8—
2021 GMC SierraEngine51
2018 GMC YukonEngine6—
2017 GMC YukonEngine6—
2020 GMC SierraEngine41
2016 GMC YukonEngine5—
2022 GMC SierraEngine4—
2019 GMC YukonEngine4—
2025 GMC YukonEngine—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.

Engine 44 Electrical System 9
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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 contact scanned the vehicle and retrieved DTCs: P0011, P0016, P006DD, and P0521, stored DTCs: P06DD P0011, and permanent DTCs: P0011 and P0016
2021 GMC Sierra at 101,148 miles Nov 24, 2025 NHTSA owner report

GMC filings that name P06DD

Source: NHTSA manufacturer communications

Bulletins and campaigns GMC filed with NHTSA whose summary names P06DD. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P06DD means

Source: SAE J2012 / OBD-II

P06DD 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 P06DD a known problem on GMC vehicles?

It is a documented one: NHTSA's files hold 50 manufacturer filings and 3 owner reports naming P06DD on 10 GMC model years (2016–2025). 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 GMC models does P06DD appear on most?

2022 Yukon (8 documents), 2021 Yukon (8 documents), 2021 Sierra (6 documents).

Does P06DD 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.