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Diagnostic trouble code · Chevrolet

U0029 on Chevrolet vehicles

U0029 is named on 18 Chevrolet model years (2016–2020): 125 manufacturer filings and 0 owner reports in NHTSA’s files, across Silverado, Suburban, Tahoe, Silverado 2500HD, Silverado 3500HD.

Network 18 model years 125 manufacturer filings

Which Chevrolet model years name U0029

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2017 Chevrolet SilveradoElectrical System13—
2017 Chevrolet SuburbanElectrical System13—
2017 Chevrolet TahoeEquipment13—
2018 Chevrolet SuburbanElectrical System9—
2018 Chevrolet TahoeEquipment9—
2016 Chevrolet SuburbanSteering8—
2016 Chevrolet TahoeElectrical System8—
2019 Chevrolet SilveradoElectrical System6—
2019 Chevrolet Silverado 2500HDElectrical System6—
2019 Chevrolet SuburbanElectrical System6—
2019 Chevrolet TahoeElectrical System6—
2018 Chevrolet SilveradoElectrical System6—
2016 Chevrolet Silverado 2500HDEquipment5—
2020 Chevrolet SuburbanElectrical System4—
2020 Chevrolet TahoeElectrical System4—
2018 Chevrolet Silverado 2500HDEquipment4—
2016 Chevrolet SilveradoElectrical System3—
2019 Chevrolet Silverado 3500HDEquipment2—

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 52 Equipment 32 Steering 11 Equipment Adaptive/Mobility 5
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Chevrolet filings that name U0029

Source: NHTSA manufacturer communications

Bulletins and campaigns Chevrolet filed with NHTSA whose summary names U0029. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What U0029 means

Source: SAE J2012 / OBD-II

U0029 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 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 U0029 a known problem on Chevrolet vehicles?

It is a documented one: NHTSA's files hold 125 manufacturer filings and 0 owner reports naming U0029 on 18 Chevrolet model years (2016–2020). 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 U0029 appear on most?

2017 Silverado (13 documents), 2017 Suburban (13 documents), 2017 Tahoe (13 documents).

Does U0029 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.