ECM Question - Page 2
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2004-2007 Cadillac CTS-V General Discussion Discussion, ECM Question in Cadillac CTS-V Series Forum - 2004 - 2007; Dimmitt is where ive been going for service, it also was serviced at Massey in Orlando many times previously. The ...
  1. #16
    Beta is offline Cadillac Owners Member
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    Re: ECM Question

    Dimmitt is where ive been going for service, it also was serviced at Massey in Orlando many times previously.

    The odometer is stuck because the speed isn't reading and advancing it due to the ecm not sending the signal out to the cluster- everything is fine and checked out ecm back to the trans/speed sensor via the tech at dealership.

  2. #17
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: ECM Question

    yeah ok... just making sure i understood...

    i did pull up your service history and it only goes back to mid-2006 with around 26,000 miles
    (i think it reached some sort of maximum number of entries that can be retrieved by the system i'm using)

    i'll email it back to you so you can have it ... also i'll send the build sheet in case you don't have one
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
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  3. #18
    Beta is offline Cadillac Owners Member
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    Re: ECM Question

    Thanks a ton Chris... pretty impressive laundry list, dont you think?

  4. #19
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: ECM Question

    Yes... yes indeed ...
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
    <-- insert standard boilerplate about posts not necessarily representing my employer, etc -->

  5. #20
    Beta is offline Cadillac Owners Member
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    Re: ECM Question

    I just re-read the printout from the dealer, it actually says "Needs Powertrain Control Module for Shorted VSS Driver"

    Are PCM and ECM the same thing?

  6. #21
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: ECM Question

    PCM = Powertrain Control Module

    ECM = Engine Control Module

    ...

    typically if the car has a PCM it does not have an ECM (or a TCM - trans control mod)
    and if it doesn't have a PCM then it does have an ECM and a TCM

    basically a PCM is a ECM+TCM in one module

    hence the Powertrain terminology
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
    <-- insert standard boilerplate about posts not necessarily representing my employer, etc -->

  7. #22
    Beta is offline Cadillac Owners Member
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    Re: ECM Question

    Does anyone know if this is this the same thing Wait4Me sells? He hasn't responded to my email.

  8. #23
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: ECM Question

    W4M would be selling a PCM - these cars have PCMs ...
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
    <-- insert standard boilerplate about posts not necessarily representing my employer, etc -->

  9. #24
    dangrus is offline Cadillac Owners Member
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    Re: ECM Question

    Verify the address that you used for wait4me, at one time only the wife's email was getting checked. The other account appeared to be ignored for months or something. As for getting the PCM replaced. That's the way I would go.

  10. #25
    dangrus is offline Cadillac Owners Member
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    Re: ECM Question

    Holy crap I can PM again!!!!!!!

    Sorry for the hijack.

  11. #26
    Beta is offline Cadillac Owners Member
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    Re: ECM Question

    i used the yahoo off of his website, from my gmail and yahoo accounts.

    ill try his wifes i guess. a bit frustrating so far.

  12. #27
    Houdini's Avatar
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    Re: ECM Question

    Always call him... don't bother with email. Try different times of the day for calling. He is usually busy and extremely hard to get in touch with. Pretty much a one man shop.

  13. #28
    Beta is offline Cadillac Owners Member
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    Re: ECM Question

    Well got the new ECM...and it didn't fix the speedometer. Glad I didn't spend $1037 at the dealership but now I am even more confused as to the solution.

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