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Jaguar XJ8 ABS light on gives P1643 error code

My 1998 Jaguar XJ8 has recently had the ABS warning light come on full time. The engine error code given is P1643 CAN Link Engine Control Module/Transmission Control Module Circuit/Network. Seems to be no visible problems when braking. Any suggestions please ?

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  • henrys_cat_u Apr 17, 2009

    Many thanks for the info. Hmm this is a confusing one then.

    I get the amber ABS light appear on the dash and the display says "stability control fail". They both appeared about a week ago. The only error code reported when checked today was the P1643 one. That came with the message "CAN Link Engine Control Module/Transmission Control Module Circuit/Network"

  • henrys_cat_u Apr 17, 2009

    Thanks for that info.

  • yadayada
    yadayada May 11, 2010

    U will need to have the dealer run an ABS test for trouble codes, that is different than a engine code test.

  • yadayada
    yadayada May 11, 2010

    P1643 Fuel Pump Monitor Circuit Low Input
    not connected to the ABS



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I would go with the ABS module, if the shop is wrong make them fix what the real problem is for free, is this a Jag dealer?

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