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Thread: Changing RF Receiver........what have I done wrong??

  1. #1

    Default Changing RF Receiver........what have I done wrong??

    Hi all, can someone please help?
    The car is a 1998 P38 DSE.I have purchased a new RF Receiver from land Rover dealers, part number YWY500170. managed to get the rear compartment cover off with a small struggle and there was the old unit. Great, easy fix, unscrew the grub screw hold the old unit in, disconnect the RF wire and the ECBM wire, take out old unit connect up and fit in new unit then.................NOTHING!!!

    When the new unit was installed I pushed the lock / unlock button on the key fob and nothing happened. Tried the ingnition but it came up as "engine immobilised". Didnt want to take a chance on pushing the key fob button to many times so re-installed the old reciever unit straight away and all works fine again!!!

    After reading up on here i gathered that it was a straight forward swap. Should I have had the engine running? Do I have to some how match the key fob to the new RF unit?? Will I have to pay a dealer to do it???

    I am only changing the unit due to the usual battery drain overnight problems. I understood it to be a straight forward fix!! My knowledge of vehicles could be written on a matchbox but want to try and fix it myself as I am loath to pay out for a minimum 1 hours labour for what should be a 10 - 15 minute job!!

    Thanks in advance for any advise given.

  2. #2

    Default Re: Changing RF Receiver........what have I done wrong??

    Quote Originally Posted by lfbullitt View Post
    Hi all, can someone please help?
    The car is a 1998 P38 DSE.I have purchased a new RF Receiver from land Rover dealers, part number YWY500170. managed to get the rear compartment cover off with a small struggle and there was the old unit. Great, easy fix, unscrew the grub screw hold the old unit in, disconnect the RF wire and the ECBM wire, take out old unit connect up and fit in new unit then.................NOTHING!!!

    When the new unit was installed I pushed the lock / unlock button on the key fob and nothing happened. Tried the ingnition but it came up as "engine immobilised". Didnt want to take a chance on pushing the key fob button to many times so re-installed the old reciever unit straight away and all works fine again!!!

    After reading up on here i gathered that it was a straight forward swap. Should I have had the engine running? Do I have to some how match the key fob to the new RF unit?? Will I have to pay a dealer to do it???

    I am only changing the unit due to the usual battery drain overnight problems. I understood it to be a straight forward fix!! My knowledge of vehicles could be written on a matchbox but want to try and fix it myself as I am loath to pay out for a minimum 1 hours labour for what should be a 10 - 15 minute job!!

    Thanks in advance for any advise given.
    Normally it is "plug and play".
    So either your new receiver is defective, or it is not the right frequency.
    In USA for example, they use remote and receiver with another frequency, but it should be different part numbers.
    Europe uses 433 Mhz, I think.

    Did you try to use the remote very close to the new receiver, to check wether distance matters ?

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