A couple of things come to mind, first check this bulletin and see if it pertains. It also states that you would have lights coming on:
#PI01574A: Intermittent Erratic IPC Sweep With Possible ABS Or SIR Lamp On - keywords cluster fluctuation gauge head instrument IP light MIL panel - (Feb 20, 2009)
Subject: Intermittent Erratic IPC Sweep With Possible ABS or SIR Lamp On
Models: 2000-2004 Chevrolet Venture
2000-2004 Pontiac Montana
2000-2004 Oldsmobile Silhouette
This PI was superseded to provide a clear diagnostic procedure. Please discard PI01574.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some customers may comment that intermittently, the IPC gauges sweep erratically (not as in WOW test) and the charge, MIL, ABS & SIR indicators illuminate on the IPC. Typically no DTC's are set. This condition occurs briefly and there is no pattern as to when (hot, cold, fast, slow). This may be a result of a loose connection to the PK3/Theft Module or the PK3/Theft Module itself.
Recommendation/Instructions:
To correct this condition verify that the PCM/PASSKEY/CLUSTER fuse and the PASS-KEY fuse for the PK3/Theft Module are fully seated to the IP Electrical Center. Verify the integrity of the wire crimps and terminal contact for these fuse(s). Inspect the PK3/Theft Module connector. Verify there is adequate pin drag and crimp to the wires in this connector. If there is no trouble found, replace the PK3/Theft Module at steering column as needed. Retest vehicle.
Another concern is maybe the cluster itself is acting up. What happens when the needles stick, when do they resume operating? A simple test is performed to condemn the cluster, a gauge sweep test. It is performed with the use of a scan tool, though. As far as I know, an aftermarket scan tool is not capable. I may be wrong.
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Wednesday, February 3rd, 2010 AT 10:33 PM