The tc light comes on the security light comes on the car won't start the passenger mirror don't work and a.c. don't work
HI there
This code means there is missing data from one of the other computers. When this happens it basically means the computers aren't communicating and the ECM doesn't know which computer it is. It sounds like the BCM if the security is being affected
U1000 CADILLAC - Invalid or Missing Data for Primary Id Read more: https://www.autocodes.com/u1000_cadillac.html
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