Diagnostic Aids

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The IPC will store the code as current only as long as the failure exists. An intermittent failure will be stored as a history DTC B2823.
If DTC B2823 is set only in history, press and release the trip reset switch several times in order to verify the customer concern.

DTC B2823 or B3574

Step	Action	Yes	No
Schematic Reference: Instrument Cluster Schematics
1	Did you perform the IPC Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Instrument Cluster
2	Install a scan tool. Turn the ignition ON, with the engine OFF. With a scan tool, observe the Trip Reset Switch parameter in the Instrument Panel Cluster data list. Does the scan tool display Inactive?	Go to Step 3	Go to Step 4
3	Press and release the trip odometer reset switch. With a scan tool, observe the Trip Reset Switch parameter. Does the Trip Reset Switch parameter change state and does the odometer change from season to trip?	Go to Diagnostic Aids	Go to Step 4
4	IMPORTANT: Perform the compass calibration and variance procedure on the replacement 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 the DTCs. Operate the vehicle within the Conditions for Running the DTC. Does the DTC reset?	Go to Step 2	System OK