Volvo Diagnostic Key

Volvo Diagnostic Key:





Volvo Diagnostic Key, Part Number - 998 8670 can be used. Follow the documentation enclosed with the unit.

Changing transmission speed:
- You can change the transmission speed from the control module to the on-board diagnostic unit.
- When using the Volvo Diagnostic Key, the transmission speed can be selected once you have connected the unit.
- When reading off diagnostic trouble codes (DTCs) manually, you can change the transmission speed in test mode 4. Test Mode 4