Diagnostic Fault Information
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, and 2018 Chevrolet Suburban. 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 | Circuit/Component Timeout |
|---|---|---|---|---|
| Unable to Complete Shift | - | - | - | C0387 00 |
| Transfer Case Motor Clockwise Control | C0306 02 | C0306 04 | C0306 01 | C0306 54 or C0381 54 |
| Transfer Case Motor Counter-Clockwise Control | C0306 02 | C0306 04 | C0306 01 | C0306 54 or C0381 54 |