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Thread: Keyless entry doesn't work with Flashscan unit connected

  1. #1
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    Default Keyless entry doesn't work with Flashscan unit connected

    If I leave the truck with the Flashscan unit connected to the ODB port, the keyless entry doesn't work, it won't lock or unlock, the panic button doesn't work either. As soon as I unplug it it starts working just fine.

    Kind of annoying, but is this an issue?
    2001 Silverado 5.3L ECSB 2WD T56:
    T76 turbo, Meth injection, 72# injectors, 799 heads, 212/212 114LSA cam, Built 4L80E, 3.42's
    EFILive V1 Commercial, COS5 2-bar SOLSD, AEM wideband

  2. #2
    Joe (Moderator) joecar's Avatar
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    Keyless entry is a function of the BCM... when FlashScan is connected to the serial bus, any bus traffic would be altered, this may be confusing the BCM

    ( typically, I've seen the BCM's exhibit poor etiquette on the serial bus... if it fails to obtain the bus it throws a tantrum ).

  3. #3
    Forum tyhee Site Admin GMPX's Avatar
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    I haven't heard of this before. And if your V1 is just plugged in and not connected to a PC it wouldn't be sending any messages on the data bus, so it is a bit odd.
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