I have an 06 3.2 A4 that has had intermittent epc/stability control lights illuminate with associated
degradation in pedal response. Problem has increased in occurrence within last week. 1 code always
appears ... Throttle/Pedal Position Sensor /switch d/e voltage correlation and one is on and off ... Throttle/Pedal Position Sensor /switch e circuit high. I've checked wires from both to ECM only for continuity. All seemed OK. I then replaced the accelerator position sensor and throttle body. Nil fix. Audi maintenance manual now suggests it might be ECM. 1500 bills EXPENSIVE!!!
I'm currently looking into a re purposed one. Oh and I've had no trouble with the transmission during this issue for trouble shooting.
Any ideas from the gurus above my knowledge base?