Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0560 | DTC B0560 08 Tachometer Circuit Signal Invalid |
| DTC B1277, B127C, or B127D | DTC B1277 01 Microphone 1 (LF) Input Signal Circuit Short to Battery DTC B1277 02 Microphone 1 (LF) Input Signal Circuit Short to Ground DTC B1277 04 Microphone 1 (LF) Input Signal Circuit Open DTC B1277 1A Microphone 1 (LF) Input Signal Circuit Bias Level Out of Range DTC B127C 01 Microphone 2 (RF) Input Signal Circuit Short to Battery DTC B127C 02 Microphone 2 (RF) Input Signal Circuit Short to Ground DTC B127C 04 Microphone 2 (RF) Input Signal Circuit Open DTC B127C 1A Microphone 2 (RF) Input Signal Circuit Bias Level Out of Range DTC B127D 01 Microphone 3 (RR) Input Signal Circuit Short to Battery DTC B127D 02 Microphone 3 (RR) Input Signal Circuit Short to Ground DTC B127D 04 Microphone 3 (RR) Input Signal Circuit Open DTC B127D 1A Microphone 3 (RR) Input Signal Circuit Bias Level Out of Range |