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vx starting problems

Discussion in 'VT - VX Holden Commodore (1997 - 2002)' started by cherokee, Nov 3, 2018.

  1. cherokee

    cherokee New Member

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    I have a vx in which I have just changed the BCM & ECU have reprogrammed the key and was driving it but now the thing will not wind over, dash lights up but nothing happens, cannot lock or operate windows I need help
     
  2. lout

    lout Well-Known Member

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    i am assuming was driving and starting fine for a while
    what happens if you try to start with headlights on, do they dim severely or not at all
    what is the battery charge like
    do you have an x or serv error in window on dash where odometer is
     
  3. cherokee

    cherokee New Member

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    No problems with lights battery fine have a serv error
     
  4. lout

    lout Well-Known Member

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    serv error means the communications network has failed
    also use onboard diagnostics to check cluster faults
    hold mode and up button, turn key to red warning lights, release mode and up button
    press mode button until you see t 00 -- where odometer is normally
    then press up or down arrow to scroll through cluster codes
    please list what codes you get
    i am suspecting t 11 HC and t 19 HC and possibly t 14 HC
    turning key off will return cluster to normal mode
    i would suspect your bcm has a wiring problem , fuse or has an internal fault
     
  5. cherokee

    cherokee New Member

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    I have come up with many errors t09hc-t14hc, t16hc, t19h, t20h, t21nu-t23nu, t27nu-t31nu
    if these mean any thing
     
  6. lout

    lout Well-Known Member

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    Dash trouble codes
    Format is t then code number then history then current some have nu which I cant remember but believe was not used
    Eg
    t00-- is fuel gauge sender open circuit no history and no current faults
    t16h- is abs history codes but no current fault

    00 Fuel gauge sender unit — open circuit
    01 Fuel gauge sender unit — short circuit
    02 Fuel gauge sender unit — intermittent
    03 Fuel gauge sender unit — open circuit
    04 LPG gauge sender unit — open circuit
    05 LPG gauge sender unit — short circuit
    06 LPG gauge sender unit — intermittent
    08 No serial data from ABS
    09 No serial data from BCM
    10 No serial data from ECC
    11 No serial data from PCM
    12 No serial data from SDM
    13 No instrument poll from BCM
    14 No serial communication
    15 No Sub-clock
    16 ABS or ABS/ETC fault logged
    17 BCM fault logged
    18 ECC fault logged
    19 PCM fault logged
    20 SDM fault logged
    21 Trip switch short circuit
    22 Trip switch button stuck
    24 EE checksum error
    25 ROM checksum error
    26 Internal fault

    try unplugging your connector from the abs module
    and then retest
    still looking like bcm, but one step at a time
     
  7. lout

    lout Well-Known Member

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    under the bonnet fuse box
    up one end do you have 4 fuses or 3
    other end will have 8
    series i wiring or series ii
     
  8. cherokee

    cherokee New Member

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    fuse box 8 and 1, disconnected abs and all the hc & h codes are the same
     
  9. lout

    lout Well-Known Member

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    refit abs connector
    check fuse 31 under bonnet and fuse 14 under steering column
     
  10. cherokee

    cherokee New Member

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    have checked both fuses both are fine
     
  11. cherokee

    cherokee New Member

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    are getting another ecu & BCM to see if that make a difference
     
  12. accentstencil

    accentstencil Well-Known Member

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    You will also need the key remote that goes with the ECU and BCM because they all need to be linked or no start.
     
  13. lout

    lout Well-Known Member

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    do you have access to a multimeter and know how to use one
     
  14. lout

    lout Well-Known Member

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    which makes me wonder
    why the original change of bcm ecu
    where did these "new" parts come from
     

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