Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
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One common component that can cause a fault like this here is an issue with the electronic ignition switch itself.It can fail to send signals intermittently which will power down certain components like this here.I have also seen issue with the body control module computer cause intermittent faults like this as well.If you have not had the fault codes checked/read out this should be done to see if any codes are set and if any are set they need diagnosed to locate and repair this issue.
This needs done with a fully compatible scan tool plugged into your model to check these codes as some of the cheaper scan tools are only able to read engine and transmission codes.
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