Diagnostic Mode 04 - Erase DTC Memory: Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Audi A3 Quattro, 2017 Audi A3 Quattro, 2016 Audi A3 Quattro, 2016 Audi A3, and 2015 Audi A3 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Mode 04 makes it possible to erase the DTC memory and to reset all emission related diagnostic data. In that way, all faults in the DTC memory in the ECM and TCM are erased. The adaptation values may also be reset.
Emission related diagnostic data includes (as applicable):
- - MIL status
- - Number of DTCs
- - Readiness bits
- - Confirmed DTCs
- - Pending DTCs
- - DTC that belongs to freeze frame
- - Freeze frame data
- - Test results of specific diagnostic functions
- - Distance driven with MIL on
- - Number of warm - up cycles after erasing the DTC memory
- - Distance driven after erasing the DTC memory
- - Misfire counter
NOTE:
Depending on the scan tool and protocol used, diagnostic mode 04 and the information provided may be referred to by a different name.