Instrument Panel Cluster (IPC) Gages Inoperative

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Step	Action	Yes	No
Schematic Reference: Instrument Cluster Schematics DEFINITION: This diagnostic procedure applies only to the serial data gages located in the instrument cluster which include the engine coolant temperature gage, and the transmission fluid temperature gage.
1	Did you perform the Instrument Cluster Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Instrument Cluster
2	Turn the ignition ON, with the engine OFF. Install a scan tool. With the scan tool, perform the Displays Test in the IPC scan tool Output Controls. Does the gage move from 0 to its maximum value and back to 0 when you perform the Displays Test?	Go to Step 3	Go to Step 4
3	Install a scan tool. Start the engine. Observe the appropriate parameter in the PCM Data list. Refer to Scan Tool Data List . Does the parameter match the gage display?	Go to Diagnostic System Check - Engine Controls in Engine Controls - 4.3L, Diagnostic System Check - Engine Controls in Engine Controls - 4.8L, 5.3L, and 6.0L, Diagnostic System Check - Engine Controls in Engine Controls - 6.6L, or Diagnostic System Check - Engine Controls in Engine Controls - 8.1L	Go to Step 4
4	IMPORTANT: Program the replacement instrument panel cluster (IPC). Replace the IPC. Refer to Instrument Panel Cluster (IPC) Replacement .Did you complete the replacement?	Go to Step 5	-
5	Use the scan tool in order to clear any induced DTCs. Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2