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Thread: HELP car not starting, no communication with ECM

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    Default HELP car not starting, no communication with ECM

    Hi guys, im in need of some help. The TC/ABS light came on in the car last night. I though i would check the fuses so started with the ones in the passenger side dash area. I only checked the ones i thought might be related to the problem. I also checked the ones beside the battery related to TC/ABS. When i went back into the car, i noticed the 'check engine' light did NOT apper on the dash when i turned ingintion on, where before it did for a few secs and went off. Now the car will not start, just like a clicking sound when turn to turn over. Plugged in my mates 'Op-Com' and its saying there is no communication with Engine Control Module? Any ideas and cures to this problem? I have just disconnected the battery and going to leave for a few hours to see if it will clear itself? Cheers

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    Regular Member justin32's Avatar
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    Vehicle : Vectra c SRI Facelift

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2006

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    im having the same problem but mine only does this when its cold(below about 3 degrees)

    Try unplugging the ABS plug and check for dirty or corroded pins(its the large black connector directly behind the ABS pump) this can cause the problem sometimes.

    Also get somebody to turn the key while ur under the bonnet and see if the clicking is comming from any of the relay's in the fuse box under the bonnet next to the battery

    Ive never found the cause of mine

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    Regular Member dartraxx's Avatar
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    Vehicle : 1.9cdti sri xp2 nav

    Trim : xp2 vxr styling

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    Year : 2007

    Mileage : 68K

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    Have you checked the wiring harness plug thats connected to the abs/tc, unplug it and check for any damp dirt or oxidation in the plug or abs\tc unit, apply some elec fast drying solvent, or wd40 to drive out moisture. Hope this helps pal?

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