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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 (without IOR) >> Conditions for Setting the DTC

Conditions for Setting the DTC

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.

B1277 01, B127C 01, B127D 01 

The control module detects a short to voltage. - Microphone (+) Signal/Microphone (-) Low Reference

B1277 02, B127C 02, B127D 02 

The control module detects a short to ground. - Microphone (+) Signal/Microphone (-) Low Reference

B1277 04, B127C 04, B127D 04 

The control module detects an open circuit. - Microphone (+) Signal/Microphone (-) Low Reference

B1277 1A, B127C 1A, B127D 1A 

Voltage Out of Range - Microphone (+) Signal/Microphone (-) Low Reference

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