P0642 on Bentley vehicles
P0642 is named on 8 Bentley model years (2021–2024): 12 manufacturer filings and 0 owner reports in NHTSA’s files, across Continental, Flying Spur.
Which Bentley model years name P0642
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2024 Bentley Continental | Electrical System | 2 | — |
| 2023 Bentley Continental | Electrical System | 2 | — |
| 2022 Bentley Continental | Electrical System | 2 | — |
| 2021 Bentley Continental | Engine | 2 | — |
| 2024 Bentley Flying Spur | Engine | 1 | — |
| 2023 Bentley Flying Spur | Electrical System | 1 | — |
| 2022 Bentley Flying Spur | Engine | 1 | — |
| 2021 Bentley Flying Spur | Engine | 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.
Bentley filings that name P0642
Source: NHTSA manufacturer communicationsBulletins and campaigns Bentley filed with NHTSA whose summary names P0642. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 2081243/2 Service bulletin2026-07-16 · Electrical System
- Service Info: Engine Control Module (ECM) 5V Reference Circuits. Customer statement / workshop findings: This TPI provides supplementary technical information to support diagnosis of ECM 5V reference circuit DTCs. It details the sensors associated with each reference circuit (A, B, and C) and outlines relevant guidance to assist in isolating faults when any of the following DTCs are stored in the
What P0642 means
Source: SAE J2012 / OBD-IIP0642 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 Bentley and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P0642 a known problem on Bentley vehicles?
It is a documented one: NHTSA's files hold 12 manufacturer filings and 0 owner reports naming P0642 on 8 Bentley model years (2021–2024). 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 Bentley models does P0642 appear on most?
2024 Continental (2 documents), 2023 Continental (2 documents), 2022 Continental (2 documents).
Does P0642 on a Bentley 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.