Speedometer and Fuel Gauge

bucrepus

New member
2
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1
Rendezvous
2005 Rendezvous. The speedometer AND fuel gauge show random readings. I was thinking the VSS but the HUD displays the correct speed. I'm not to sure the Fuel Range is accurate as well, it jumps around quite a bit (+-25 to 50). Any ideas what could be wrong. No engine codes are present, and the rest of the cluster is working.
Thanks
 

TollKeeper

Member
122
11
18
Brighton, CO
2005 Buick Rendezvous CXL Sport Plus
It almost sounds like the stepper motors in your ICP (Instrument Cluster Panel) are going bad, and this is a known problem for ALL GM ICP panels.

Your dealer can have it sent out for a rebuild (BIG $$$). I found a local electronics repair shop who replaced all the stepper motors, and any burnt out lights, for 120 bucks.
 

TollKeeper

Member
122
11
18
Brighton, CO
2005 Buick Rendezvous CXL Sport Plus
I completely missed the part on the fuel range. Sounds pretty typical of a sending unit that might be getting old. But replacing it is not something I would tackle until the fuel pump bites the dust. They are expensive! And quite a bit of work for a convenience.
 
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