Hummer H2. Manual — part 270

The scan tool displays an 8 digit alphanumeric number. The part number of the module.

Amp Type

The scan tool displays the type of amplifier installed in the vehicle, Bose/Non-Bose.

Antenna Enable

The scan tool displays Active/Inactive.

Audio Device

The scan tool displays Null/Tuner/CD Player. The radio detects the presence of the device that is
operating.

Balance

The scan tool displays -50 to +50. The Balance between the right and left audio output.

Bass

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

Battery Voltage

The scan tool displays 0-18 Volts. The Voltage measured from the radio or amplifier's ignition positive
voltage circuit to ground.

Cal. Module 1 Part No.

The scan tool displays the 8 digit part number of the module.

Cal. Module 1 Suffix

The scan tool displays the 2 position suffix of the module.

CD Changer

The scan tool displays Connected if a CD changer is detected or Not Connected if no CD changer is
present.

CD Changer Disc Number

The scan tool displays which CD the changer is currently playing.

CD Changer Track Number

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

The scan tool displays the track number of the disc that is currently playing.

CD Inserted

The scan tool displays Yes or No. Whether a CD is loaded or not.

Chime Type

The scan tool displays the type of chime select such as fast.

Chime Speaker

The scan tool displays Front Left, Front Right, LF Woofer, Back Left, Back Right, RF Woofer. The
selected chime speaker is displayed

Chime Volume

The scan tool displays 0-100%. The percentage at which the chime volume has been calibrated to.

Component Serial Number

The scan tool displays the serial number of the module.

Day

The scan tool displays the day the software was created.

Digital Radio Antenna

This parameter indicates the amount of current being used by the digital radio antenna by measuring the
voltage drop across an internal resistor. Early design modules support the mV reading while later design
modules support a mA reading.

External Audio Device

The scan tool displays Connected/Not Connected. The radio senses the presence of an external audio
device.

Fade

The scan tool displays -50 to +50. The Fade between the front and rear audio output.

Ignition Counter

The scan tool displays the number of ignition cycles.

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

Ignition Since Current DTC

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

Microphone Level

The scan tool displays 0-100%. The percentage of microphone selected at the radio.

Midrange

The scan tool displays 0-100%. The percentage of midrange selected at the radio.

Month

The scan tool displays the month the software was created. Mute

Noise Compensation

The scan tool displays On/Off. The selected switch position of the noise compensation system.

Operational S/W Part No.

The scan tool displays the 8 digit software part number of the module.

Operational S/W Suffix

The scan tool displays the 2 position software suffix of the module.

Personalization

The scan tool displays Driver 1/ Driver 2.

Phone

The scan tool displays whether or not a phone is present or not present.

Power Mode

The scan tool displays what power mode the module is on.

Radio ID

The scan tool displays the radio ID of the digital radio receiver.

RSA

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

The scan tool displays Present/Not Present. Present is displayed if rear seat entertainment control is
installed in the vehicle.

Signal Strength

The scan tool displays 0-225 dB. The signal strength of the radio frequency.

Software Version

The scan tool displays the version of software.

Speed Compensated Volume

The scan tool displays Off/Low/Medium/High according to what the auto volume is set on the module.

Source

The scan tool displays Off/Tuner/ICDX/CD/Cassette.This data parameter indicates the source that is
operating.

Theft Armed

The scan tool displays Learned VIN/No VIN. The Scan tool displays Learned VIN when the theft mode
has been turned ON by recognizing a valid VIN #.

Theft Locked

The scan tool displays Locked/Unlocked. The scan tool displays locked when the radio receives the
incorrect VIN number across Class 2 lines.

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.

Year

The scan tool displays the year the software was created.

DIAGNOSTIC TROUBLE CODE (DTC) LIST

Diagnostic Trouble Code (DTC) List

DTC

Description

Module

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2