Jaguar check engine codes
Overview
Jaguar models use V6, V8, and Ingenium four cylinder engines. Cooling system and vacuum leak faults are common topics, but documentation for specific codes is limited.
Codes notably common on Jaguar
We have not found well documented brand patterns for our 20 codes on this make. Every code works the same way here as on other vehicles.
Jaguar specific notes
- We have not found well documented Jaguar patterns for these 20 codes. Watch coolant level and temperature, and use the general code pages.
Repair manuals
Step-by-step service manuals for Jaguar with torque specs and wiring diagrams:
Haynes manuals for Jaguar Chilton manuals
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Recall lookup
Check open Jaguar recalls with your VIN at the NHTSA recall lookup.
Sources
Sources checked October 2026. Bulletins apply only to the models and years they list.
All other codes
These work the same on Jaguar as on any vehicle:
P0420 P0430 P0300 P0301 P0302 P0303 P0304 P0171 P0174 P0440 P0442 P0455 P0456 P0128 P0135 P0141 P0101 P0299 P2135 P0401