GM Service Manual Online
For 1990-2009 cars only
Table 1: Audio Amplifier
Table 2: Radio
Table 3: Digital Radio Receiver
Table 4: Rear Seat Audio (RSA) Controller

Audio Amplifier

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition in RUN, Radio ON

Audio Device

Data

Null/Tuner/CD Player

Varies

Balance

Data

Value

-50 to +50

Bass

Data

Percent

0-100%

Battery Voltage

Data

Volts

0-18V

Chime Speaker

Data

Front Left, Front Right, LF Woofer, Back Left, Back Right, RF Woofer

Varies

Chime Volume

Data

Percent

0-100%

External Audio Device

Data

Connected/Not Connected

Varies

Fade

Data

Value

-50 to +50

Ignition Since Current DTC

Data

Cycles

0-225

Microphone Level

Data

Percent

0-100%

Noise Compensation

Data

On/Off

Varies

Treble

Data

Percent

0-100%

Volume

Data

Percent

0-100%

Radio

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition in RUN, Radio ON

Amp Type

Inputs

Bose/Non-Bose

Bose

Antenna Enable

Inputs

Active/Inactive

Active

Balance

Data

-50 to +50

0

Bass

Data

0-100%

50.2%

Battery Voltage

Data

Volts

12.2 Volts

Cal. Module 1 Part No.

ID Information

Numeric

XXXXXXXX

Cal. Module 1 Suffix

ID Information

Alphanumeric

XX

CD Changer

Inputs

Connected/Not Connected

Not Connected

CD Inserted

Inputs

Yes/No

No

Chime Type

Outputs

Varies

Fast

Fade

Data

-50 to +50

0

Ignition Since Current DTC

Data

0-225

0

Midrange

Data

0-100%

50.2%

Operational S/W Part No.

ID Information

Numeric

XXXXXXXX

Operational S/W Suffix

ID Information

Alphanumeric

XX

Personalization

Inputs

Driver 1/Driver 2

Driver 1

Phone

Inputs

Present/Not Present

Present

RSA

Inputs

Present/Not Present

Present

Signal Strength

Data

0-225

38dB

Speed Compensated Volume

Outputs

Off/Low/Medium/High

Off

Source

Inputs

Tuner/ICDX/Tape/CD

Tuner

Theft Armed

Inputs

Learned VIN/ No VIN

Learned VIN

Theft Locked

Inputs

Locked/Unlocked

Unlocked

Treble

Data

0-100%

50.2%

Volume

Data

0-100%

18%

Digital Radio Receiver

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8-Digit GM Part Number

ID Information/Module Information

Numeric

Varies

Battery Voltage

Data

Volts

Varies

Component Serial Number

ID Information/Module Information

Numeric

Varies

Day

ID Information/DSP Software Version ID

Numeric

Varies

Day

ID Information/XM Software Version ID

Numeric

Varies

Digital Radio Antenna

Data

Millivolts or Milliamps

Varies

Ignition Counter

Data

Numeric

Varies

Month

ID Information/DSP Software Version ID

Numeric

Varies

Month

ID Information/XM Software Version ID

Numeric

Varies

Power Mode

Data

Alphanumeric

Run

Radio ID

ID Information/Module Information

Numeric

Varies

Software Version

ID Information/DSP Software Version ID

Numeric

Varies

Software Version

ID Information/XM Software Version ID

Numeric

Varies

Year

ID Information/DSP Software Version ID

Numeric

Varies

Year

ID Information/XM Software Version ID

Numeric

Varies

Rear Seat Audio (RSA) Controller

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition in RUN, Radio ON

Battery Voltage

Data

Volts

0-18V

CD Changer Disc Number

Data

Varies

1

CD Changer Track Number

Data

Varies

1

Ignition Since Current DTC

Data

Cycles

0-225