Check Gages

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.

The IPC illuminates the CHECK GAGES indicator under the following conditions:

The engine coolant temperature exceeds 125°C (257°F). The IPC receives a class 2 message from the PCM indicating the engine coolant temperature.
The engine oil pressure is low. The IPC receives a class 2 message from the PCM indicating the engine oil pressure.
The IPC has not been programmed after an IPC replacement. Refer to Service Programming System (SPS) in Programming.