Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. 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 |
|---|---|---|---|
| B+ - Ignition Switch, Terminal 4 | B1370 06, B1380 06, B1440 00, U0100-U0299, 2** | B1370 06, B1380 06, B1440 00, U0100-U0299 | - |
| Ignition - Ignition Switch, Terminal 3 | B1370 06, B1380 06, U0100-U0299, 2** | B1380 06, 1 | B1380 01, P1629, 1 |
| Ignition - Ignition Switch, Terminal 2 | B1370 06, B1380 06, U0100-U0299, 2** | B1370 06, 1 | B1370 01, U0100-U0299, 1, 2 |
| Ignition - Ignition Switch, Terminal 5 | B1370 06, B1380 06, B1440 00, U0100-U0299, 2** | B1440 00, B1441 06, 1 | B1440 00, B1441 01, 1 |
| Ignition - Ignition Switch, Terminal 6 | 1 | 1 | 1 |
| Ignition - BCM terminal 21, X4 | DTC B1428* | B1370 06, 2 | 3 |
| 1. Power Mode Mismatch-Different specific symptoms may occur depending on the vehicle operating conditions when the fault occurred. 2. Vehicle will not start and will set DTC B1370 06 in SIR. 3. The engine will continue to run after ignition key is removed. * This circuit is a pass through circuit in the BCM and will cause B+ circuit fuse to open. ** This circuit/condition will cause B+ circuit fuse to open, and may cause a no start condition. |
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