Quote:
Originally Posted by itsnotanova
if your car starts then there's nothing wrong with the DME or immobilzer. I'd check for a blown fuse for the hvac control unit but it could also be bad. They're known to go out. As for the check engine light, I'd start by making sure the bulb in the cluster is good
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From my experience with a bad Immobilizer, the power windows, power locks and interior lights did not work. Replaced the Immo and everything worked.
I don't know whether it effects the HVAC, but it effects a lot more than just starting the engine.