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engine comm error

  1. T

    242x comm err. stuck in gear

    Offhand I cant remember if it's a 2016 or 2018. Quick background: 242x E , We recently replaced the head unit for third time and went with a aftermarket. Im not sure yet if it is NMEA compatible. I'll check this afternoon. Also the harness from each engine to the harness we replaced the Deutsch...
  2. S

    tach jumping

    We got our 2016 AR190 out on the water for the first time this season. When we started it up, it sound an alarm for a minute or so. Then it quit and the tach started jumping from 0-9 over and over. An error showed up saying “Engine Comm Error”. We cleaned the battery posts thinking that...
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