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Is the illumination of the needles staying on only? They aren't moving? Do you have any DTC's in other modules, such as a current code for quiescent current on the battery control module? There are several common issues that can cause modules in the car to stay awake even when locked but if you just have needle illumination (and an indicator light) flashing and no other issues, I might suspect an issue relating specifically to the cluster. You shouldn't deem a cluster bad until you've verified ground and power connections, verified that there aren't codes/issues in other systems that could be somehow providing feedback to the cluster that could cause the issue such as some strange fault in the dimmer circuit, etc
That is a odd one. Past battery/ground issues, I am not sure what to advise. Maybe the suspension light is a hint that you need to check for water ingress on the suspension module, but I am unsure if that is an issue for the C6 suspension module or not.
Whats funny is that I don't have air suspension, its all mechanical.
Also the needle of the fuel tank is off, Always off, never worked since i got it.
I guess its time to pull out the cluster.
Do you know wheres the ground point for the cluster?
Did you find the fault? I have exactly the same except EPB light is dimly glowing. Although this has been previously and happens only on winter time when it is colder and wetter.
This needle light flickering appeared last winter and at the same it started to drain battery. I installed a new one and got it coded but didn't solve the problem.
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Cluster needles stay on even after locking the car
