| Table 1: | Audio Amplifier | 
| Table 2: | Radio | 
| Table 3: | Digital Radio Receiver | 
| Table 4: | Rear Seat Audio (RSA) Controller | 
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%  | 
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%  | 
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  | 
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  |