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Diesel Exhaust Fluid (Def) Supply And Metering System Malfunctions: Notes

WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

The OBD system monitors components and the functionality of the DEF supply and metering system. If a malfunction is detected a message center warning is displayed. If no action is taken to rectify the warning malfunction, this will eventually lead to a 'No engine restart' situation

STAGES CAUSE WARNING MESSAGE DESCRIPTION
Stage 1 Supply system or monitoring component malfunction Amber symbol No engine restart possible in 515mls/830km. Diesel Exhaust Fluid system malfunction The DEF supply system or component used for monitoring is malfunctioning. The system must be checked by a Jaguar Land Rover service department
Stage 2 Supply system or monitoring component malfunction Red symbol No engine restart possible. Diesel Exhaust Fluid system malfunction The DEF supply system or component used for monitoring is malfunctioning. The system must be checked by a Jaguar Land Rover service department
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