Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
sorry for the delay.............Greetings...... “Hi, I’m Don (aka MOLurch) and I look forward to helping you!”.You need use of GM Dealer Scan Tool, to Test & Program the Radio, AMP, Communications Control Module & BCM (body control module), as all must communicate to Turn AMP ONThere is no way to Test AMP without DATA Communication to turn it ONapprx 1 hour laborI would also install the Old AMP before you have this done
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sorry for the delay.............ice & snowIF you replace the BCM & CCM you will still need use of GM Dealer Scan Tool to ProgamThey are NOT Plug & Play............has to be Programmed to vehicleShouldn't be more than 1 hour testing to give you exact cause, which would be cheaper than replacing parts