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ecu

  1. Electrical/Lighting/Security
    I have a 2005 Chevy Colorado. I went to get an inspection sticker and the state inspector was unable to get communications through my obd port. He was able to get power just no connection with ecu. What is strange is my bluetooth obd2 reader connects just fine using the torque app on my phone. I...
  2. Engines/Performance/Tech Questions
    Has anyone experienced lost connection problems between their tcm and ecu? My truck is fine for 10-20 minutes, with no problems and no check engine light and then ill notice the speedometer, odometer and gear lights stop working. Speedometer reads 0mph, odometer never goes up and my truck says...
  3. Tuning
    DO ANY OF THEM ACTUALLY MAKE ARE TRUCKS BETTER? ive looked thought a few threads but everybody says they dont do anything. is that true??
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