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B101D on Cadillac vehicles

B101D is named on 32 Cadillac model years (2016–2023): 87 manufacturer filings and 0 owner reports in NHTSA’s files, across Escalade, ATS, CTS, ELR, SRX and 5 more.

Body 32 model years 87 manufacturer filings

Which Cadillac model years name B101D

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2016 Cadillac EscaladeElectrical System8—
2016 Cadillac ATSElectrical System5—
2016 Cadillac CTSElectrical System5—
2016 Cadillac ELRElectrical System5—
2016 Cadillac SRXElectrical System5—
2016 Cadillac XTSElectrical System5—
2016 Cadillac CT6Electrical System4—
2017 Cadillac ATSElectrical System3—
2017 Cadillac CT6Electrical System3—
2017 Cadillac CTSElectrical System3—
2017 Cadillac XT5Electrical System3—
2017 Cadillac XTSElectrical System3—
2023 Cadillac XT4Equipment2—
2023 Cadillac XT5Back Over Prevention2—
2023 Cadillac XT6Electrical System2—
2022 Cadillac XT4Equipment2—
2022 Cadillac XT5Back Over Prevention2—
2022 Cadillac XT6Equipment2—
2021 Cadillac XT4Equipment2—
2021 Cadillac XT5Back Over Prevention2—
2021 Cadillac XT6Electrical System2—
2020 Cadillac CT6Electrical System2—
2020 Cadillac XT4Equipment2—
2020 Cadillac XT5Back Over Prevention2—
2020 Cadillac XT6Equipment2—
2019 Cadillac CT6Back Over Prevention2—
2019 Cadillac XT4Equipment2—
2018 Cadillac ATSElectrical System1—
2018 Cadillac CT6Electrical System1—
2018 Cadillac CTSElectrical System1—
2018 Cadillac XT5Electrical System1—
2018 Cadillac XTSElectrical System1—

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 51 Equipment 19 Back Over Prevention 12 Air Bags 5
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Cadillac filings that name B101D

Source: NHTSA manufacturer communications

Bulletins and campaigns Cadillac filed with NHTSA whose summary names B101D. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What B101D means

Source: SAE J2012 / OBD-II

B101D is a manufacturer-specific code: the second character is a 1, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.

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 B101D a known problem on Cadillac vehicles?

It is a documented one: NHTSA's files hold 87 manufacturer filings and 0 owner reports naming B101D on 32 Cadillac 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 Cadillac models does B101D appear on most?

2016 Escalade (8 documents), 2016 ATS (5 documents), 2016 CTS (5 documents).

Does B101D 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.