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 | Signal Performance |
|---|---|---|---|---|
| Liftgate Module B+ | B396A 02, B153A 08 | B396A 02, B153A 08 | - | - |
| Liftgate Position Sensor 5V Reference Voltage | 2 | B153E 08 | 2 | - |
| Full Open Signal | B153B 02 | B153B 05 | 2 | - |
| Liftgate Disable Signal | 1, 2 | 1 | 1 | - |
| Liftgate Open Signal | 1 | 1 | 1 | - |
| Object Sensors Signal | B153F 05 | B153F 05 | B153F 07 | - |
| Open/Close Switches Signal | B2494 02 | 1, 2 | 1, 2 | - |
| Pawl Switch Signal | B153A 00 | B153A 00 | B153A 00 | B153A 08 |
| Position Sensor Signal 1 | B153E 02 | B153E 05, B153E 08 | B153E 05 | - |
| Position Sensor Signal 2 | B153E 02 | B153E 05, B153E 08 | B153E 05 | - |
| Ratchet Switch Signal | B153A 00 | B153A 00 | B153A 00 | B153A 08 |
| Sector Switch Signal | B153A 00 | B153A 00 | B153A 00 | B153A 08 |
| Disengage Clutch Control | B396B 02 | B396B 04 | B396B 01 | - |
| Engage Clutch Control | B396B 02 | B396B 04 | B396B 01 | - |
| Liftgate Latch Cinch Control | B2495 02 | B2495 04 | B2495 01 | - |
| Liftgate Latch Release Control | B2495 02 | B2495 04 | B2495 01 | - |
| Liftgate Motor Close Control | B396A 02 | B396A 04 | B396A 01 | - |
| Liftgate Motor Open Control | B396A 02 | B396A 04 | B396A 01 | - |
| Full Open Low Reference | - | 2 | 2 | - |
| Liftgate Switches Low Reference | - | 1 | 1 | - |
| Position Sensor Low Reference | - | B0153E 08 | 2 | - |
| I/P Switch Ground | - | 1 | 1 | - |
| Liftgate Control Module Ground | - | 2 | 2 | - |
| 1. Liftgate Switch Malfunction 2. Liftgate Malfunction |
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