DTC B19EA-02: Microphone module #4 downlink - General signal failure: Action
- For additional information, refer to: SPEAKERS Pinpoint test F where the 'Module reporting the fault' is the microphone module #4 and the 'Downstream component' is the next module connected downstream through the A2B chain. Refer to the appropriate vehicle wiring diagrams
- For all audio systems the microphone module #4 is the fourth ambient noise microphone module connected to the audio amplifier module through the A2B chain
- Circuit reference - A2B_1-/A2B_1+