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P1646 Diagnostic Trouble Code Discussion for January 2011

Hydraulic Cooling Fan Control Circuit Low

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Trouble Ticket Help Requests for DTC P1646
Help Request Posted
2001 Jaguar Vanden Plas 4.0L MIL Lamp on VIN: SAJDA24C51
P1646: Fuel Pump Realy 2 Malfunction. According to Mitchel p1646 is a fuel pump relay 2 malfunction for a supercharge motor. This vehicle is not a s/c motor. Just wondering if someone has ran into this or does this code have a different meaning. (oxygen sensor, etc.) We normally do not work on Jag...
January 05, 2011