Problem: Today I failed to read Audi A5 Bosch Edc17cp04 ecu with pcm on bench. Try bench connection pinout from pcm, failed. Using bench module 71. Any idea? Solution: 1.Try the wiring diagram from dimsport, reconnect and read again EDC17CP14 … Continue reading PCM EDC17CP04 EDC17CP14 Read on Bench or OBD?