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epc light

  1. Audi A5/S5 Tech DIY
    Hi, I recently bought an Audi A5 1.8 TFSI and after driving it daily for a month or so the EPC light came on as well as I got this message in the dashboard: start-stop system: system fault function unavailable. I checked the car for fault codes, I got: P256300 Passive/Abiogenesis. Turbocharger...
  2. A5 & S5 Topics
    Hi all, I have an annoying fault on a 2008 S5 Whilst driving along at a sedate pace in 6th gear, if I press down on the accellerator to accellerate, I get a small hiccup at 4000 rpm and the EPC licht comes on resulting in reduction to 50% power. I pull over at the earliest opportunity and...