Dash gauges, heat, air and climate reader intermittently working?

Hi,

It sounds like a loose or faulty ground. I went through the items you mentioned and found they all fall under one of two grounding spots (G11 and G95).

G95 is behind the right side of the dash. The ground wires will be black in color. I was unable to find specific pictures to help, but there will likely be more than one black wire going to the same place.

The other, G11, is on the opposite side of the dash (left side). Again, the wires will be black in color.

See if you can locate the black wires. They will be attached to a grounding point such as the firewall or other steel bracket.

Additionally, I do recommend having the can-bus scanned. CAN stands for controller area network. Basically, the different modules are tied together via a few wires. This type of scan will retrieve codes regardless of the module storing them.

Here is a link that shows how it's done:

https://www.2carpros.com/articles/can-scan-controller-area-network-ea

I'm suggesting this because there may be an issue with the body control module or the instrument panel.

Let me know.

Joe