Quote:
Originally Posted by Jhill
If the thing that it has in common is after opening/closing drivers door then check wiring in the door loom. If the b can wire is shorting intermittently than you'll lose function of some modules and without looking at the wiring diagram if the BCM is responsible to send the wake up signal to modules then its possible you'll be having issues as you describe.
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Thanks for this -- it sounds plausible to me.
They didn't find anything (the battery is fine, and there were no codes indicating a problem), so they're replacing the steering wheel lock and I'll take her home. If the problem recurs (and I have a funny feeling it will, having pulled the lock fuse ages ago), this is where I'll ask them to start.