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Premium Member
2014 Cruze Diesel, 2007 Cobalt, 1981 Camaro Z28, 2017 Volt
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6,237 Posts
Disconnect the side detection modules - one is shorting and blowing the fuse.

We just had literally exactly this happen. One side's module had shorted internally and the other side module had shorted at the harness (had been getting the service side detection message for a long time, after the last fix - which was over a year before).

One was causing the radio screen fuse to blow (but the radio itself still worked, controllable by the steering wheel - but not the center stack buttons) and the other was causing the data line to go down between the cluster and the BCM (no speedo, tach, fuel, coolant, mileage, anything - would also say all modules needed to be serviced, despite them still working).

You'll always deal with the Service Side Detection message from now on, but you'll save a ton of money (I think replacement of the modules and the harness was over $1k). Worth it, in my opinion, especially since they'll just go bad again (I was going to silicone them to **** if we did get them replaced again).
 

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Premium Member
2014 Cruze Diesel, 2007 Cobalt, 1981 Camaro Z28, 2017 Volt
Joined
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6,237 Posts
They are up in the rear bumper, on the sides, I believe.

Should just be a standard connector to disconnect once you find them.
 
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