Mechanics

WHAT WOULD CAUSE THE AIR BAG SERVICE LIGHT TO COME ON AND THE CAR NOT TO START?

2003 Cadillac CTS • 151,440 miles

Fuses are good battery is good, before it was saying service theft system so I changed the ecm fuse it ran good til I hit a bump. It said service air bag, I checked the fuses. It would start at first but now it wont crank at all.
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Mattscalf81
September 19, 2012.




Most likely a connection somewhere is loose or you have a blown fuse causing the security system to be triggerred.
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KHLow2008
Sep 19, 2012.
Check for a bad ground circuit as well.

KHLow2008
Sep 19, 2012.

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