Check Gages

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 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 REMOTE PROGRAMMING or PASS-THRU PROCEDURE or OFF-BOARD REMOTE PROCEDURE or OFF-BOARD PASS-THRU PROCEDURE .