Front Camera, rear park assist and garage door opener - dead short in circuit

A full all 4 code families scan is needed to see if a module may be shorted.
These computers on tires need a scan as a first step to give direction to investigate in. Wiring shorts are usually due to harness damage from impacts, chaffing or rodent damage. Salt and water intrusion are more likely in modules.

repairman54 said:

A full all 4 code families scan is needed to see if a module may be shorted.
These computers on tires need a scan as a first step to give direction to investigate in. Wiring shorts are usually due to harness damage from impacts, chaffing or rodent damage. Salt and water intrusion are more likely in modules.

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I ran a network scan and the code for service front camera is present. I unplugged the existing camera and tested checked the resistance accross the positive and negative wires and it was 25 Ohm, so basically connected together. I would expect a hire resistance for any circuits connected to it no? Then when I disconnect the harness plug back by the hatch (behind the panel) the resistance goes to overload and it fails a continuity test (so the headliner harness is ruled out?) I want to do the same at the interior fuse pane (unplug all the harnesses and do the resistance test again. Ideally I would take the interior panels off and continue to visually trace the harness but its a pile of work. Hopeing this will take some of the guesswork out.

Thoughts?

I'm not sure if the '17 had water getting into the fuse box issues. Others with that vintage may chime in.
If you have wiring diagrams, I would see exactly what is on that fuse circuit and start disconnecting modules to track down exactly what branch / component the short is in since multiple components use the same fuse.
The camera is controlled by a video module for example so the camera is a low power device, usually only powered by 5v from it's module so unplugging the camera really would not resolve a short to blow a fuse.
I would check the rear park assist module. I think it is under the rear of the vehicle and can be affected by salt spray as to me that would be the first suspect.
Wiring diagram is a must, without tracing the power flow it's just a guess on isolating which components before checking harness for shorts.

You can get access to the full shop manual and diagrams at alldatadiy.com.

I have not seen water in the inside fuse box issues on any Gen 1.5 (i.e., 2013-2017) models, IIRC. I haven't had water in the fuse box issues on my 2017. (I also don't have the front camera.)