I'm glad you fixed your issues, FWIW the previous owner replaced my module too before I bought my X, its pricey, but the suspension works great.

I think that what happens to the module is similar to what happens with the compressor, when it has faults stored, cleared, stored again, eventually it get confused or something similar and just doesnt work right to keep the system working properly. Just a theory of mine, but I've noticed that if suspension issues aren't taken care of in a timely fashion, first the compressor burns out, then the module won't work properly.

Either way, glad she is working great. Did you run test 9 on the OBC while running to check the voltage? It could be the voltage regulator in your alternator you know. However, if you're positive that your battery is original and 10 years old, don't even test it, go and replace it now. That battery is well beyond its usable life.

Just check your CCA and operating cranking amps rating on the battery and fit it with a like replacement, Quicksilver I believe has the chart showing that there are 2 manufacturers who make most of the batteries in the US. I have a Bosch battery installed from Pep Boys for 2 years now and not a single issue.

Good luck!

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards