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Home >> Buick >> 2015 >> Verano Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B1287: Amplifier Control Signal Circuit >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Amplifier Control B1287 02** B1287 04** B1287 01* -
* No audio output.
** 4 Channel unmute, possible noise in speakers when radio muted or turned off
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