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2004-2007 Cadillac CTS-V General Discussion Discussion, Bought an '04 V... happy but minor problems in Cadillac CTS-V Series Forum - 2004 - 2007; Originally Posted by rmbanas FYI as a quick follow up... the dealer determined the body control module to be faulty, ...
  1. #16
    OmegaSupreme is offline Cadillac Owners Member
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    Re: Bought an '04 V... happy but minor problems

    Quote Originally Posted by rmbanas View Post
    FYI as a quick follow up... the dealer determined the body control module to be faulty, replaced it and all is well--everything works as it should now.

    Windows work... XM works, etc etc etc.
    I'm glad to hear you got it all taken care of, and that it sounds like, once the dealer became involved, the problem was a relatively simple fix.

    I also recently bought a 2004 V. I've been fortunate, tho, in that I haven't had any problems. I expect that I'll be able to avoid most mechanical issues, because the first thing I did with my car was change ALL fluids. If your car wasn't too well taken care of by the previous owner (which sounds like might be the case), I'd strongly recommend heading over to the FAQ section in the "Read this first" sticky of the General Discussion page and using the walk throughs to get you going.

    Congrats on your recent purchase!

  2. #17
    rmbanas is offline Cadillac Owners Member
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    Re: Bought an '04 V... happy but minor problems

    I take that back... speedometer is still funky, traction control also still activates -- probably related. Looks like ABS problem maybe? Or that speed sensor...

  3. #18
    AAIIIC's Avatar
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    Re: Bought an '04 V... happy but minor problems

    I would guess the speedo and TC is the VSS (vehicle speed sensor) going bad, or maybe bad/intermittent wiring to the VSS.

    Glad to hear all the rest of the stuff got worked out!
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  4. #19
    carlson_mn is offline Cadillac Owners Enthusiast
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    Re: Bought an '04 V... happy but minor problems

    That sensor is intergrated into the wheel hub. Not too pricey. A lot of GM vehicles have issues with that causing intermittent TC ABS lights to come on.

  5. #20
    AAIIIC's Avatar
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    Re: Bought an '04 V... happy but minor problems

    Quote Originally Posted by carlson_mn View Post
    That sensor is intergrated [sic] into the wheel hub. Not too pricey. A lot of GM vehicles have issues with that causing intermittent TC ABS lights to come on.
    The wheel speed sensors are in the hubs, while the VSS is on the rear of the tranny (I think on the driver's side). Since the speedo is jumping around, I'd think it has to to be the VSS.

    I've had a bad wheel speed sensor (actually, the wiring harness to the sensor was the issue) and it caused the ABS to die and the "Service Stability System" warning to pop up on the nav screen.

  6. #21
    rmbanas is offline Cadillac Owners Member
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    Re: Bought an '04 V... happy but minor problems

    I talked to the service techs at the dealer today--they found the problem. They have determined that the vehicle speed sensor "ring" or housing of some sort on the tailshaft of the transmission was cracked and was spinning with the driveshaft... they have a new one on the way and are 100% certain it will fix the problem.

    Sounds about right to me.

  7. #22
    Cadillac Cust Svc's Avatar
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    Re: Bought an '04 V... happy but minor problems

    Thank you for the update, Rmbanas! If you would like me to ever contact your dealership on your behalf, then email me anytime at Katie_Lucille@gmexpert.com. Please keep us posted as to what happens once the part comes is installed!

    Best,

    Katie
    Cadillac Customer Service

  8. #23
    Mystical_Ice's Avatar
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    Re: Bought an '04 V... happy but minor problems

    One thing I would suggest (out of experience) is to make sure to turn off stability control and traction control before driving the car, until you get your issues fixed. The last thing you want when you're having ABS/speedometer/TC/stabilitrak issues is to be driving 75mph on the highway and have stabilitrak accidentally engage. It can total your car and kill you and others.

  9. #24
    etcts-v's Avatar
    etcts-v is offline Cadillac Owners Enthusiast
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    Wow what a PITA!! Electrical issues are the pits but sounds like you got a good dealer to get you straightened out, hopefully they aren't breaking the pocket book too bad with the repairs. Congrats on the V and if you ever need diagrams or anything let me know!

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