Scan Tool Data List
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Use the scan tool data display values and definitions information in order to assist in diagnosing vehicle malfunctions. Compare the vehicles actual scan tool data with the typical data display value table information. Use the information in order to aid in understanding the nature of the concern when the vehicle data does not match the typical data display values.
The scan tool data values were taken from a known good vehicle under the following conditions:
- The ignition switch is in the Run position.
- The engine is not running.
- The vehicle is in PARK.
Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, Engine OFF | |||
| Accy/RAP Relay Command | Power Mode | On/Off | On |
| Battery Voltage | Charging Info | Volts | Varies |
| Current Power Mode | Power Mode | Off/Accessory/Run/Crank Request | Run |
| HS Comm. Cmd. | Outputs | On/Off | On |
| Ign. Off/Run/Crank | Power Mode | Key Out/ACC Key In/Off Crank Run |
Run |
| Ignition Accessory/Run | Power Mode | Active/Inactive | Active |
| Ignition Run/Crank | Power Mode | Active/Inactive | Active |
| Key in Ignition Status | Power Mode | Key Out/Key In | Key In |
| Powertrain HS Comm. Cmd. | Outputs | On/Off | On |
| Run/Crank Relay Command | Power Mode | On/Off | On |