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Home >> Chevrolet >> 2018 >> Traverse LS, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Active Noise Cancellation System >> Diagnostic Information and Procedures >> DTC B1277, B127C, B127D, or B126F >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Microphone High Signal Circuit (LF) B1277 02 B1277 04 B1277 01 B1277 1A
Microphone Low Signal Circuit (LF) B1277 02 B1277 04 B1277 01 B1277 1A
Microphone High Signal Circuit (RF) B127C 02 B127C 04 B127C 01 B127C 1A
Microphone Low Signal Circuit (RF) B127C 02 B127C 04 B127C 01 B127C 1A
Microphone High Signal Circuit (LR) B127D 02 B127D 04 B127D 01 B127D 1A
Microphone High Signal Circuit (LR) B127D 02 B127D 04 B127D 01 B127D 1A
Microphone Low Signal Circuit (RR) B126F 02 B126F 04 B126F 01 B126F 1A
Microphone Low Signal Circuit (RR) B126F 02 B126F 04 B126F 01 B126F 1A
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