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epc light
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  1. A5 & S5 Topics
    Hi, 2014 a5 1.8tfsi. Keep getting p2556 throwing up. Would this cause the epc light to come on aswell as the engine management light? Has anybody got any idea how to fix it. I have cleaned the contacts on the plug on bottom of expansion tank. Would not putting the right coolant in the...
  2. 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...
  3. 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...
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