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Thread: Fault code help :(

  1. #1
    Regular Member Thom's Avatar
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    Default Fault code help :(

    I've got these nasty little things floating about my 2.0 dti club. They make me quite sad! I've tried contact cleaner on the steering controls, cruise control swtch and my driver door controls but alas, no improvement. The rest i have no idea about so appreciate all the help i can get!

    B3840 - Wrong Stalk Switch Configuration
    (00) - Present
    B3840 - <Unknown DTC>
    (0F) - Present
    B3794 - Switch Cruise Control Circuit Open or High Voltage
    (04) - Present
    B2810 - Steering Wheel Remote Circuit Open or High Voltage
    (04) - Present
    U2105 - CAN-Bus ECM Message Range/Performance
    (71) - Not present
    U2107 - Invalid Data from BCM (Body Control Module)
    (71) - Present
    B2996 - Rear Left Door Switch Circuit Open or High Voltage
    (05) - Present
    B3974 - Driver Door Select Switch Window Lifter Circuit Open or High Voltage
    (05) - Present

  2. #2
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    Hav u got them codes with a opcom
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  3. #3
    Regular Member lee gsi's Avatar
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    Vehicle : Signum

    Trim : Design

    Engine : 1.9 CDTi

    Year : 2005

    Default

    Clear them and start again.

  4. #4
    Regular Member Thom's Avatar
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    Default

    I have used an op-com and that is a cleared list, cleared and rescanned for that matter

  5. #5
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    Default

    I have checked mine tonight as i had been having problems with CC keep turning itself off, i followed advice on here with regards to cleaning and ultimately replaced the stalk in the end, Still doesn't work so my next check is the micro switches on the brake and clutch,

    However i have read your post and found we have a similar fault code

    B3794-04 Switch cruise control open or high voltage.

    I also have the following

    B2930-05 Anti theft warning system disable circuit open of high Voltage.

    I have reset my fault codes which were minimum but the above 2 kept coming back immediately!!!

    The cruise control was working intermittently until i disconnected the battery a few weeks ago and then stopped totally.

    Hope someone on here can help coz im totally stumped!!!

  6. #6
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    confused Cruise control open or High voltage B3794-04

    I have checked mine tonight as i had been having problems with CC keep turning itself off, i followed advice on here with regards to cleaning and ultimately replaced the stalk in the end, Still doesn't work so my next check is the micro switches on the brake and clutch,

    However i have read your post and found we have a similar fault code

    B3794-04 Switch cruise control open or high voltage.

    I also have the following

    B2930-05 Anti theft warning system disable circuit open of high Voltage.

    I have reset my fault codes which were minimum but the above 2 kept coming back immediately!!!

    The cruise control was working intermittently until i disconnected the battery a few weeks ago and then stopped totally.

    Hope someone on here can help coz im totally stumped!!!

  7. #7
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    Default

    if you use an old version of op-com it will show tiny errors if you get new version this does no show them, it works like snop-on and tech 2 .

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