I thought of it too, but failed to post because I was too busy messing with even MORE snow.
The Caravan / Town and Country mini vans had some clock spring issues, they would trip the air bag light. Had two changed under extended warranty.
That is the connection / circuit pathway for everything contained in the steering wheel assembly. Cruise, air bag, wheel mounted volume controls, etc....
Don't go back to the place that told you it was the ECM.........Wow...
Mike.