GM Service Manual Online
For 1990-2009 cars only
Table 1: Radio
Table 2: Amplifier

Radio

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8 Digit GM Part Nmber

ID Information

Numeric

Varies

Balance

Data

Numeric

Varies

Bass

Data

%

Varies

Battery Voltage

Data

Volts

Varies

Cal. Module 1 Part No.

ID Information

Numeric

Varies

Cal. Module 1 Suffix

ID Information

Alpha

Varies

Fade

Data

Numeric

Varies

Ign Since Current DTC

Data

Cycles

Varies

Midrange

Data

%

Varies

Operational S/W Part No.

ID Information

Numeric

Varies

Operational S/W Suffix

ID Information

Alpha

Varies

Signal Strength

Data

dB

Varies

Treble

Data

%

Varies

Volume

Data

%

Varies

Amplifier

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8 Digit GM Part Nmber

ID Information

Numeric

Varies

Balance

Data

Numeric

Varies

Bass

Data

%

Varies

Battery Voltage

Data

Volts

Varies

Chime Volume

Data

Percent

0-100%

Fade

Data

Numeric

Varies

Ign Since Current DTC

Data

Cycles

Varies

Treble

Data

%

Varies

Volume

Data

%

Varies