Wow
Its interesting that most of the modules simply say 'electrical
malfunction' rather than voltage too high or low. That might be a prefacelift thing though. ME7 in the facelifts is a little more verbose in its error messages.
I think the first things I would be looking at are the battery, alternator, and earth connections, particularly the earth strap from engine to body. Then probably monitor the battery voltage with a multimeter to see what its doing.
Some of those codes like the immobiliser and alarm are pretty normal. The open or short codes are likely caused by whatever is also triggering the electrical malfunction codes, in modules which aren't smart enough to detect a voltage issue.
2nd February 2018, 06:06 PM
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