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What is the fix for the B1277 code for 2000 Cadillac DeVille?

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What is the fix for the B1277 code for 2000 Cadillac DeVille?

Vehicle: 2000 Cadillac DeVille

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B1277 CADILLAC - Microphone 1 Input Signal Circuit

Read more: https://www.autocodes.com/b1277_cadillac.html

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