348 ECU code button?

Discussion in '348/355' started by ApexxForza, Jul 18, 2020.

  1. ApexxForza

    ApexxForza Rookie

    Jun 23, 2020
    Hey Brotherhood,

    I took my newly acquired 1990 348TS to our emissions place here in CO so i could get my plates. Yeah, it failed, so pulled the gauge cluster and checked the the CEL bulbs, both were not seated in the sockets. Now that they work and both are on so I wanted to pull the codes.

    Here is the question: I don't see any test buttons on either one of the ECUs. Is this something that wasn't included on the 1990 TS? I do see a three prong female plug hanging on each side.
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  3. ApexxForza

    ApexxForza Rookie

    Jun 23, 2020
    Wade and Qavion like this.
  4. chas-3

    chas-3 Formula 3

    Jan 28, 2009
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