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Thread: SRi 150 CDTi Z19DTH

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    Default SRi 150 CDTi Z19DTH

    Hi all.
    I have just bought a vectra c sri 150 cdti. 55 plate with the z19dth engine.What i really would like to know is what type of ECU is fitted ? bosch or wot ?.The more i dig into this the more complicated it becomes,it seems that this car is Canbus and does'nt have one ECU but various ECU's controling different systems all tied together by one common bus.If so what hardware/software will talk to this.Cant make my mind up whether to chip or remap,think i would prefer to remap.
    Any help or advise would be greatly appreciated.

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    Regular Member Gsi3.2's Avatar
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    you asked something like this the other night...and i said then that to identify which ECU is fitted to this car you'll have to lower the undersheild off the car to find the ECU for the engine..

    Yes, the Vec C has been canbus since it's inception..either a half (up to late 04) or fully networked(early 05 on)..

    The only fully comminucating device is the dealers Tech2 system...

    if you would prefer to remap then you need to talk to the vauxhall performance centre as they do tailor made maps for the vectra..

    even if you do manage to buy a device ( and tech2 is about 3 grand) unless you're a tuning genius you won't be able to remap your own engine effectively..


    Why do you need to know what type of ECU is fitted..is it for reading fault codes or is for mapping??

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    Steak on a plate,Irate wife. back soon.

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    Regular Member Gsi3.2's Avatar
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    okay mate... domestic life 1st.....

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    That was good,sorry for the delay.in answer to your question, both i supose because of my job i am realy interested in all this.I have an Elmscan 237 which reads most of the data but i suspect not all.Why remaping, curiosity i suppose.

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    what you will need to access the fault codes only is an OBD compliant scanner with a CAN module...

    to re-map the car is much more than a scanner can do.. on the diesel you have to get the 'ckecksum' values right or it's a non-starter..

    it's always best to get a proven map..

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    Thanks again. i think I have a lot of homework to do,cheers for now.

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