Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 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 |
|---|---|---|---|---|
| I/P Dimming Voltage Reference | B1395 03 | B1395 03 | B1395 07 | - |
| Courtesy Lamp Voltage Reference | B2615 00, B2615 02 | B2615 00, B2615 04 | B2615 00, B2615 01 | - |
| LED Indicator Dimming Volage Reference | B2625 00 | B2625 00 | B2625 00 | - |
| Dome/Reading Lamp Control | B2615 00 | B2615 00 | - | - |
| Dome/Reading Lamp Supply Voltage | 1 | 1 | - | - |
| Dome Lamp Switch Signal | 2 | 2 | 2 | - |
| Exterior Lamps Illumination Supply Voltage | 5 | 5 | 5 | - |
| Inadvertent Power Control | 5 | 5 | 5 | - |
| I/P Lamps Dimming Control | B2652 00 | B2652 00 | B2652 00 | - |
| Left Front Door Open Switch Signal | 3 | 3 | 3 | - |
| Left Rear Door Open Switch Signal | 4 | 4 | 4 | - |
| Right Front Door Open Switch Signal | 3 | 3 | 3 | - |
| Right Rear Door Open Switch Signal | 4 | 4 | 4 | - |
| Dome/Reading Lamp Low Control - Driver Door | - | 1 | - | - |
| Dome/Reading Lamp Low Control - Passenger Door | - | 1 | - | - |
| Exterior Lamps Low Reference | - | 5 | - | - |
| I/P Dimmer Switch Ground | - | 2 | - | - |
| LH Vanity Mirror Courtesy Lamp Ground | - | 1 | - | - |
| Overhead Console Courtesy Lamp Ground | - | 1 | - | - |
| Rear Dome Lamp Ground | - | 1 | - | - |
| RH Vanity Mirror Courtesy Lamp Ground | - | 1 | - | - |
| 1. Courtesy Lamps Malfunction 2. Dome Lamp Switch Malfunction 3. Door Open Switch Malfunction - Front 4. Door Open Switch Malfunction - Rear 5. Exterior Lamps Malfunction |
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