ECM software update available on Jaguar XK

Submitted by Jim Taddei · May 29, 2025

Published by RepairPal

Problem overview

The Check Engine Light may illuminate with fault codes P0491 or P0492 stored. Our technicians tell us that the engine control module (ECM) software should be upgraded to correct this concern.

14 people reported this problem

4 comments

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Jaguar XK vehicles with this problem

4 model years affected

Average mileage: 42,445 miles

(25,689 - 68,100)

Repairs related to this problem

Check Engine Light Diagnosis & Testing

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