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Diagnostic trouble code · Cadillac

U0151 on Cadillac vehicles

U0151 is named on 5 Cadillac model years (2016–2020): 39 manufacturer filings and 0 owner reports in NHTSA’s files, across Escalade.

Network 5 model years 39 manufacturer filings

Which Cadillac model years name U0151

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2017 Cadillac EscaladeElectrical System14—
2018 Cadillac EscaladeElectrical System8—
2019 Cadillac EscaladeElectrical System7—
2020 Cadillac EscaladeElectrical System5—
2016 Cadillac EscaladeElectrical System5—

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 17 Equipment 5 Suspension 2 Engine 2
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Cadillac filings that name U0151

Source: NHTSA manufacturer communications

Bulletins and campaigns Cadillac filed with NHTSA whose summary names U0151. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What U0151 means

Source: SAE J2012 / OBD-II

U0151 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 Cadillac 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 U0151 a known problem on Cadillac vehicles?

It is a documented one: NHTSA's files hold 39 manufacturer filings and 0 owner reports naming U0151 on 5 Cadillac 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 Cadillac models does U0151 appear on most?

2017 Escalade (14 documents), 2018 Escalade (8 documents), 2019 Escalade (7 documents).

Does U0151 on a Cadillac 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.