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rpmdiag, Tech and Instructor
Category: Cadillac
Satisfied Customers: 6715
Experience:  Since 1975
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Anti theft light goes on and has no temp or fuel guage how

Customer Question

Anti theft light goes on and has no temp or fuel guage how to fix
JA: Have you checked the fuses? Have you tried to reset the computer?
Customer: Yes on the fuse n i disconected the battery for 20 min
JA: What is the model/year of your Cadillac?
Customer: 2006 cts
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: If i can if not ill take it in
JA: Anything else you think the mechanic should know?
Customer: Needs a cadillac converter
Submitted: 2 months ago.
Category: Cadillac
Expert:  david craig replied 2 months ago.

Hi Im David, anti theft light stays on when cranking?

Expert:  rpmdiag replied 2 months ago.

Hi, and welcome to Just Answer. I'm Ron and I'll be helping you today.

This issue sounds like an instrument cluster starting to fail.

There is one test to do to find out for sure, but it does involve a scan tool to test the cluster in bidirectional mode. It will also tell us if there are any stored codes for this issue too.

Thanks, Ron

Expert:  rpmdiag replied 2 months ago.

Sorry David, I'll opt out. We crossed wires here.


Expert:  rpmdiag replied 1 month ago.

It looks like David opted out too.

I only did because he and I were both answering the same question at the same time.

I apologize to you for any inconvenience, so please try what I originally recommended and let me know if you need any more help.

Otherwise, please rate me 5 stars for my answer and keep this link in case you need me again later on.


Expert:  rpmdiag replied 1 month ago.

Hi, I'm just following up with you to see if you have any more questions.
Thanks, Ron

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