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Jaguar XK Problems

ECM software update available on Jaguar XK

Problem Description and Possible Solution

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.

(12 people reported this problem)

Jaguar XK Vehicles With This Problem

RepairPal Verified
Average mileage: 44,241 (25,689–68,100)
3 model years affected: 2007, 2008, 2009
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Brake problem? Or maybe a faulty head gasket cylinder?
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