1991 Accord "S" light flicker and speedo malfunction.

Discussion in 'Accord' started by Spoon, Jan 30, 2006.

  1. Spoon

    Spoon Guest

    I have a 1991 Sccord with 176k miles. The trans computer was replaced
    about three years ago. It was replaced because the car "hung" in second
    gear and this problem was determined to be the TCU.
    Now I have a flashing "S" light occasionally and the spedo fails to
    register , some times. The car seems to shift properly.

    Any help would be appriciated.
     
    Spoon, Jan 30, 2006
    #1
  2. Spoon

    TeGGeR® Guest


    How many times does the light flash?
     
    TeGGeR®, Feb 1, 2006
    #2
  3. Spoon

    J. Guest

    Most likely the speed sensor sending unit on the transmission.

    My relatives had an almost identical problem last fall with an early-mid
    90's Accord. The speedometer was intermittent, the auto tranny "S" would
    light AND the cruise control would disengage the moment the speedo dropped
    out. The dealer claimed it was the speedometer cluster (circuitboard, etc),
    but with a junkyard replacement cluster it did the same exact thing. Using
    my Prelude manual and tracing what was common between the speedo and cruise
    control, it made sense that the Accord's problem had to be the speed sensor.
    They replaced it and it's still fine 4 months later.
     
    J., Feb 3, 2006
    #3
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