GM Service Manual Online
For 1990-2009 cars only

Scan Tool Data Definitions w/ CTF

Balance: The scan tool displays 0-100%. The balance between the right and left audio output.

Bass: The scan tool displays 0-100%. The percentage of bass selected at the radio.

Fade: The scan tool displays 0-100%. The fade between the front and rear audio output.

Ignition Since Current DTC: The scan tool displays 0-225 Cycles. The number of ignition cycles since a current DTC was set.

Treble: The scan tool displays 0-100%. The percentage of treble selected at the radio.

Volume: The scan tool displays 0-100%. The percentage of volume selected at the radio.