Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2001EXPRESS 1/2 TON VAN V6-4.3L VIN WREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTRADIO, STEREO, AND COMPACT DISCTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONS
2001 Chevrolet Express 1/2 Ton Van V6-4.3L VIN W
Scan Tool Data Definitions
2001 Chevrolet Express 1/2 Ton Van V6-4.3L VIN WSECTION Scan Tool Data Definitions
AMPLIFIER: The scan tool displays Present/Not Present. The Amplifier data parameter refers to the Class 2 message that the remote amplifier is or is not present.
AMPLIFIER TYPE: The scan tool displays Bose/Non-Bose. The Amp Type data parameter refers to the Class 2 message that identifies the remote amplifier as a Bose or Non-Bose amplifier.
ANTENNA POWER: The scan tool displays On/Off. The Antenna Power parameter displays On or Off when Antenna Power is present/not present respectively.
BALANCE: The scan tool displays % (percent). The Balance data parameter refers to the right to left audio output balance (in percent).
BASS: The scan tool displays % (percent). The Bass data parameter refers to the percentage of bass commanded by the radio control head.
CASSETTE INSERTED: The scan tool displays Yes/No. The Cassette Inserted data parameter refers to the presence of a cassette tape in the cassette player.
CASSETTE METAL: The scan tool displays Metal/Not Metal. The Cassette Metal data parameter refers to the whether or not the inserted cassette tape is of metallic composition.
CASSETTE SIDE: The scan tool displays Top/Bottom. This data parameter indicates the side of the installed cassette that is currently being read by the tape player.
CD CHANGER: The scan tool displays Connected/Not Connected. The module displays Connected when the CD sense wire has been grounded to signal that a remote CD changer is present.
CD INSERTED: The scan tool displays Yes/No. This data parameter indicates whether the CD player recognizes an inserted disc.
CHIME: The scan tool displays On/Off. This data parameter indicates the commanded state of operation of the chime function.
FADE: The scan tool displays % (percent). This data parameter refers to the front to back audio output Fade (in percent).
FAN CONTROL: The scan tool displays On/Off. This data parameter indicates the commanded state of the radio cooling fan.
IGNITION SINCE CURRENT DTC: The scan tool displays Cycles. This data parameter indicates the number of ignition cycles since a current DTC was set.
PHONE: The scan tool displays Present/Not Present. This data parameter indicates if the radio detects the presence of a cellular telephone.
SOURCE: The scan tool displays Off/Tuner/CD/Cassette This data parameter indicates the source that is operating.
THEFT ARMED: The scan tool displays VIN/No VIN. The scan tool displays VIN when the theft mode has been turned ON by recognizing a valid VIN.
THEFT LOCK: The scan tool displays Locked/Unlocked. The scan tool displays Locked when the radio receives the incorrect VIN number from the PCM across Class 2 lines.
TREBLE: The scan tool displays % (percent). This data parameter indicates the amount of treble (in percent) selected at the radio.
VOLUME: The scan tool displays % (percent). This data parameter indicates the amount of volume (in percent) selected at the radio.
AMPLIFIER TYPE: The scan tool displays Bose/Non-Bose. The Amp Type data parameter refers to the Class 2 message that identifies the remote amplifier as a Bose or Non-Bose amplifier.
ANTENNA POWER: The scan tool displays On/Off. The Antenna Power parameter displays On or Off when Antenna Power is present/not present respectively.
BALANCE: The scan tool displays % (percent). The Balance data parameter refers to the right to left audio output balance (in percent).
BASS: The scan tool displays % (percent). The Bass data parameter refers to the percentage of bass commanded by the radio control head.
CASSETTE INSERTED: The scan tool displays Yes/No. The Cassette Inserted data parameter refers to the presence of a cassette tape in the cassette player.
CASSETTE METAL: The scan tool displays Metal/Not Metal. The Cassette Metal data parameter refers to the whether or not the inserted cassette tape is of metallic composition.
CASSETTE SIDE: The scan tool displays Top/Bottom. This data parameter indicates the side of the installed cassette that is currently being read by the tape player.
CD CHANGER: The scan tool displays Connected/Not Connected. The module displays Connected when the CD sense wire has been grounded to signal that a remote CD changer is present.
CD INSERTED: The scan tool displays Yes/No. This data parameter indicates whether the CD player recognizes an inserted disc.
CHIME: The scan tool displays On/Off. This data parameter indicates the commanded state of operation of the chime function.
FADE: The scan tool displays % (percent). This data parameter refers to the front to back audio output Fade (in percent).
FAN CONTROL: The scan tool displays On/Off. This data parameter indicates the commanded state of the radio cooling fan.
IGNITION SINCE CURRENT DTC: The scan tool displays Cycles. This data parameter indicates the number of ignition cycles since a current DTC was set.
PHONE: The scan tool displays Present/Not Present. This data parameter indicates if the radio detects the presence of a cellular telephone.
SOURCE: The scan tool displays Off/Tuner/CD/Cassette This data parameter indicates the source that is operating.
THEFT ARMED: The scan tool displays VIN/No VIN. The scan tool displays VIN when the theft mode has been turned ON by recognizing a valid VIN.
THEFT LOCK: The scan tool displays Locked/Unlocked. The scan tool displays Locked when the radio receives the incorrect VIN number from the PCM across Class 2 lines.
TREBLE: The scan tool displays % (percent). This data parameter indicates the amount of treble (in percent) selected at the radio.
VOLUME: The scan tool displays % (percent). This data parameter indicates the amount of volume (in percent) selected at the radio.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.