P0605 (Audi): Lack of proper voltage and or ground to the PCM, Defective PCM ROM… — what it means, the affected system and what to check before replacing parts.
Lack of proper voltage and or ground to the PCM, Defective PCM ROM memory module, Defective PCM ground circuit(s), Defective PCM controlled output devices. Source catalogue definition; confirm applicability using vehicle service information.
Affected system: Powertrain