Audi Q7: Communication

 Diagnostic Mode 0A - Check Permanent DTC Memory

  Note The following is a generic explanation of the requirements, coverage, and operation of Mode 0A. Mode 0A may only be supported exclusively by OBD control modules in US vehicles. Mode 0A may not be supported in EOBD vehicles, meaning the control module may not send a response her

 Compressor, Replacing without the Need for Flushing Refrigerant Circuit

  Note Cleaning the refrigerant circuit means flushing with refrigerant R134a. Refer to → Chapter "Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a". If a faulty A/C compressor is replaced with an A/C compressor from another manufacturer check for the A/C compres