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Home >> Chevrolet >> 2019 >> Volt Premier >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1277: Cellular Phone Microphone Circuit >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Signal B1277 02 B1277 04 B1277 04 -
Low Reference B1277 02 B1277 04 B1277 04 -
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