Scan Tool Output Controls
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.
PCM Scan Tool Output Controls - 4.2L, 5.3L
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Electro-viscous Fan | - | The scan tool displays a Commanded State of None or percentage. This allows you to communicate with the PCM to increase or decrease the cooling fan speed in 10% increments. |