P203B on Jaguar vehicles
P203B is named on 8 Jaguar model years (2016–2018): 8 manufacturer filings and 0 owner reports in NHTSA’s files, across E-Pace, F-Pace, XE, XF.
Which Jaguar model years name P203B
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2018 Jaguar E-Pace | Engine | 1 | — |
| 2018 Jaguar F-Pace | Electrical System | 1 | — |
| 2018 Jaguar XE | Engine | 1 | — |
| 2018 Jaguar XF | Engine | 1 | — |
| 2017 Jaguar F-Pace | Engine | 1 | — |
| 2017 Jaguar XE | Engine | 1 | — |
| 2017 Jaguar XF | Electrical System | 1 | — |
| 2016 Jaguar XF | 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.
Jaguar filings that name P203B
Source: NHTSA manufacturer communicationsBulletins and campaigns Jaguar filed with NHTSA whose summary names P203B. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- SSM73728 Service bulletin2018-05-16 · Engine
- Issue: The customer is unable to start their vehicle or a warning message displayed on the Instrument Cluster "Re-start will not be possible in xxxx miles". Any of the following DTC's may have been triggered: P203B, P203C, P203D, P215C. Although these DTC's can indicate an issue with the Urea system, multiple components have been returned to the supplier with no fault found following repairs on cu
What P203B means
Source: SAE J2012 / OBD-IIP203B 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 Jaguar 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 P203B a known problem on Jaguar vehicles?
It is a documented one: NHTSA's files hold 8 manufacturer filings and 0 owner reports naming P203B on 8 Jaguar model years (2016–2018). 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 Jaguar models does P203B appear on most?
2018 E-Pace (1 document), 2018 F-Pace (1 document), 2017 F-Pace (1 document).
Does P203B on a Jaguar 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.