Won't shift out of 1st gear

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Northstar Engines and System Technical Discussion Discussion, Won't shift out of 1st gear in Cadillac Engine Discussion; I just bought a 1994 Cadillac Devill Concours about 2 months ago. SInce then I have had an issue with ...
  1. #1
    JennManz is offline Cadillac Owners Member
    Join Date
    Oct 2003

    UnhappyWon't shift out of 1st gear

    I just bought a 1994 Cadillac Devill Concours about 2 months ago. SInce then I have had an issue with the EGR valve, which I have replaced, and now it seems the car will not shift out of 1st gear. It will not go over 17 MPH.. It was riding perfectly and all of a sudden this happened. Has anyone experienced anything like this before? If so, any suggestions for a solution?? Thanks!!

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  3. #2
    the Sandman's Avatar
    the Sandman is offline ...Reloaded
    Automobile(s): '05 XLR
    Join Date
    Jan 2003
    Tampa, FL
    Hmm, tranny problems suck. Could be a bad solenoid, could be some internal parts have worn/broken. First things to do would be to check for codes and check the trans fluid for level, smell, and color. To check for codes (from Caddyinfo.com):
    1. Turn the ignition switch ON.
    2. On the Climate Control panel, press the OFF and WARM buttons simultaneously.
    3. Hold the buttons depressed until all display segments on the CC/DIC and instrument Panel Cluster (IPC) illuminate.
    4. After the segment check, the diagnostic trouble codes will be displayed. Each trouble code consists of the system identifier, a three-digit code identifier and the current or history identifier. If no codes are present for a system, a NO X CODE or NO X DATA message will be displayed.

      • E -- ECM trouble code
      • P -- PCM trouble code
      • C -- Current trouble code
      • H -- History trouble code
      • NO X CODE -- No code present (X represents the system)
      • NO X DATA -- Communication lines are not operating (X represents the system)

    Let us know what you find.

    And BTW - Welcome to the CadillacForums! If you get a chance say hello in the New Member Introduction Forum.

  4. #3
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V, 1994 Infiniti Q45
    Join Date
    Jan 2003

    Re: Won't shift out of 1st gear

    I say its a solenoid, without knowing codes.......

    Do you have any idea how well the tranny has been maintained????? Fluid changes???

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