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P1646 Diagnostic Trouble Code Discussion for October 2015

Hydraulic Cooling Fan Control Circuit Low


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Trouble Ticket Help Requests for DTC P1646
Help Request Posted
2005 Jaguar X-Type 3.0L Excessive Emissions, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: SAJWA51C05
P1646: heated 02 sensor control module. i have started trying to check wires, ecm, fuses and fuse box, but i have been unable find any marks (numbers) on ecm harness .
October 20, 2015