Will not start after radio stopped working?

Tiny
BILLY6722
  • MEMBER
  • 2009 CADILLAC SRX
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
The radio won't come on and therefore the key fob won't start the car because of some security mode. It did work until the radio stopped working and now you can't even reset it.
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Monday, September 13th, 2021 AT 11:38 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Good morning,

I attached a guide for you to follow for resetting the security system, Try that and see if the system works.

https://www.2carpros.com/articles/how-to-reset-a-security-system

If not, then there may be a code stored in your ECM for failure. I would need that code to help narrow the area of failure.

I attached below a description of the system for you to view. If the key reset does not work, all this will need to be checked.

I also attached the procedure for programming the theft module. You will need an advanced scan tool for that procedure.

Roy

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Tuesday, September 14th, 2021 AT 2:35 AM

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