DTC B19D3-12: Audio Expansion Modules - Power On Signal - Circuit short to battery: Action
- For additional information, refer to: SPEAKERS Pinpoint test B where the 'Module reporting the fault' is the audio expansion modules (for example the front and rear ADC input interface modules) and the 'Downstream component' is the rear junction box. Refer to the appropriate vehicle wiring diagrams
- For all audio systems the infotainment relay is located in the rear junction box
- Circuit reference - +VCC/GND