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 MANUALSCHEVROLET2009UPLANDER LT, 3.9 MREPAIR AND DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATIONVEHICLE DIAGNOSTIC INFORMATIONSPECIFICATIONSRADIO SCAN TOOL INFORMATION
2009 Chevrolet Uplander LT, 3.9 M
Radio Scan Tool Information
2009 Chevrolet Uplander LT, 3.9 MSECTION Radio Scan Tool Information
Radio Scan Tool Data Parameters
| Parameter | System State | Expected Value | Definition |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| Antenna Enable | - | Active | The scan tool displays Active or Inactive. This parameter indicates if the navigation radio has enabled the GPS antenna. |
| Balance Control | - | Varies | The scan tool displays a numeric value. This is the current value of the balance control. |
| Band Status | - | Varies | The scan tool displays AM/FM1/FM2/XM1/XM2. This is the current band setting. |
| Bass Control | - | Varies | The scan tool displays %. This is the current percentage of the bass control. |
| Battery Voltage Signal | - | Varies | The scan tool displays Volts. This is the current battery voltage. |
| DRR | - | Varies | The scan tool displays Present or Not Present. Present is displayed if a digital radio receiver is properly installed or programmed on the vehicle. |
| Fade Control | - | Varies | The scan tool displays a numeric value. This is the current fade control value. |
| Ign. Cycles Since last DTC | - | Varies | The scan tool displays the number of ignition cycles since the last DTC. |
| Mid Range Control | - | Varies | The scan tool displays %. This is the current percentage of the mid range control. |
| Personalization Status | - | Varies | The scan tool displays Unknown, Driver 1, Driver 2. This is the current driver. |
| Phone Signal | - | Present | The scan tool displays Present or Not Present. This indicates if the radio detects the vehicle is equipped with OnStar. |
| Power Mode | - | Varies | The scan tool displays Run, Crank, RAP, Off Awake, Unlock, RAP Unlock and Off Awake. This is the current state of the ignition cylinder. |
| Signal Strength | - | Varies | The signal strength of the currently tuned station is measured in dBuV. |
| Source Status | - | Varies | The scan tool displays Unknown, Radio Off, Tuner, CD, RDS Interrupt, CDX, Aux. Device, Phone or DRR Tuner. This is the current source/type of the signal being received/played. |
| Theft Armed | - | Learned VIN | The scan tool displays Learned or Not Learned. This shows whether the VIN is learned in the theft module. |
| Theft Armed | - | Learned | The scan tool displays Learned or Not Learned. |
| Theft Lock Status | - | Inactive | The scan tool displays Active or Inactive. This is the current state of the theft module. |
| Treble Control | - | Varies | The scan tool displays %. This is the current treble percentage. |
| Volume Control | - | Varies | The scan tool displays &. This is the current volume control percentage. |
Radio Scan Tool Output Controls
| Scan Tool Output Control | Description |
|---|---|
| Optional Modules | Configures for Disc player and video display, Digital Radio Receiver, Steering wheel controls, Vehicle Communication Interface Module. This will synchronize the optional modules to the radio. |
| Region Code Options | The scan tool will provide selection for Region Code Options for North America, Middle East and South America. This is the current region code of the radio. |
| VIN Relearn | The scan tool will do a VIN Relearn. Enters the correct VIN information in the radio |
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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.