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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 119 (Active Noise Cancellation System) >> Diagnostic Information and Procedures >> DTC B126F, B1277, B127C, or B127D (IOR) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. 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
Microphone (+) Signal - 1 Left Front B127C 02 B127C 04 - -
Microphone (-) Low Reference - 1 Left Front B127C 02 B127C 04 - -
Microphone (+) Signal - 2 Right Front B127D 02 B127D 04 - -
Microphone (-) Low Reference - 2 Right Front B127D 02 B127D 04 - -
Microphone (+) Signal - 3 Rear B126F 02 B126F 04 - -
Microphone (-) Low Reference - 3 Rear B126F 02 B126F 04 - -