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How to read ECU and TCU codes

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    How to read ECU and TCU codes

    Got a check engine and a blinking "S" light on a 1990 Ex. Iv'e got the little contacts in the wire connected with a jumper in order to get the codes to blink.

    The check engine blinks 7 fast, 4 slow, then 1 fast. Am I to read this as 2 separate codes (7, and 41) or is it just one code? It's pretty fast... Also, the S light blinks 4 times. Any links or anyone know these codes?

    #2
    http://www.cb7tuner.com/vbb/showthre...e+check+engine
    Originally posted by Mishakol129
    Do not disrespect my intelligence. I am the smartest person I know : )

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      #3
      ^that. It's also found in the thread stuck at the top of this section marked "PLEASE READ HERE FIRST". You'll find a list of both ECU and TCU codes there.

      7 and 41 sounds about right. Those codes are for the TPS and o2 sensor.
      The TCU code seems to be for the VSS.






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