If I'm reading the definition correctly, Mode 0 is "return everything to pre-tester state," while Mode 9 is "reenable regular ALDL polls." It would be interesting to know how they're actually differentiated in the CCM's BIN. I suppose it's possible that Mode 9 won't actually restore the digital dash functionality, for one.
Anyway to get the $40 broadcast message you should have to send F157074071. The spec doesn't have any warnings about having to send a Mode 9 before that, so I assume that'll be unnecessary.
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