2016 Pete 389 interior/cecu problems

[Coronado126]

Like Rawze was saying, the CECU is not a very robust module. I've had to change a couple handfuls over the years due to various failures. Gauge backlighting being one or two of them.

You're next bet if the battery trick doesn't work, would be tracking and checking every power and ground for that CECU. Let me look around on my laptop I believe I have the proper wiring diagram for it to give you.

If those are good, then your probably looking at replacing the CECU.

One question though, the gauges/switches that stay lit up, is it always one part of gauge cluster? Or does it vary?