GM Service Manual Online
For 1990-2009 cars only

Radio/Integrated Radio Control (IRC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8-Digit GM Part Number

Module Information 1

Numeric

Varies

Auto Volume Control St

Radio Data 1

Active/Inactive

Active

Band Status

Radio Data 1

AM/FM1/FM2

FM1

Build Sequence Number

Module Information 2

Alphanumeric

Varies

Calibration ID

Module Information 1

Alphanumeric

Varies

Clock Status

Radio Data 1

12Hr/24Hr

12 Hr

Personalization Status

Radio Data 1

Driver1/Driver2

1 (2 if the memory 2 button has been activated)

DSP Status

Radio Data 1

OFF/Talk/Driver Seat/Spacious

Spacious

Ign. Cycles Since Last

Radio Data 2

Numeric

Varies

Julian Date of Build

Module Information 2

Numeric

Varies

Language

Radio Data 1

--

English

Long Wave Status

Radio Data 1

Present/Not Present

Not Present

Manufacturing Shift Inf

Module Information 2

Alphanumeric

Varies

Manufacturing Site

Module Information 2

Alphanumeric

Varies

Navigation Software Version

Module Information

Varies

Varies

New VIN Counter

Radio Data 1

Numeric

Varies

Point of Sale

Radio Data 1

--

US

Preset Status

Radio Data 1

Home/Away

Home

PROM ID

Module Information 1

Alphanumeric

Varies

Region

Radio Data 1

--

US

Radio Signal Strength

Radio Data 1

dB

19dB

Source ID

Module Information 2

Numeric

Varies

Source Status

Radio Data 1

--

Tuner

Theft Lock Status

Radio Data 1

Active/Inactive

Inactive

Total CDX Hours

Radio Data 2

Hours

Varies

Total Radio Hours

Radio Data 2

Hours

Varies

TV Signal Strength

Radio Data 1

dB

00dB

Year Module Built

Module Information 2

Numeric

Varies