Scan Tool Data List
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Control Module Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF | |||
| Rear Defrost Switch | Input/Output | On/Off | Off |
Liftgate Module (LGM) Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF | |||
| Defog Relay Voltage | Data | Volts | 12.5 |
| Rear Defog Requested | Data | Yes/No | No |
Endgate Module (EGM) Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF | |||
| Defog Relay Voltage | Data | Volts | 0 |
| Rear Defog Commanded | Input/Output | Off/On/Suspend | Off |