Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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 |
|---|---|---|---|---|
| Park Lamp Relay B+ | 1 | 1 | - | - |
| Park Lamp Switch ON Signal | 1 | 1 | 1 | - |
| Park Lamp Relay Control | 1 | 1 | B2585 00 | - |
| Park Lamp Control | 1 | 1 | 1 | - |
| License Lamp Ground | - | 1 | - | - |
| Headlamp and Panel Dimmer Switch Ground | - | 2 | 2 | - |
| Park Lamps - LF Ground | - | 1 | - | - |
| Park Lamps - RF Ground | - | 1 | - | - |
| Tail/Stop and Turn Signal Lamps - LR Ground | - | 1 | - | - |
| Tail/Stop and Turn Signal Lamps - RR Ground | - | 1 | - | - |
| Turn Signal/Multifunction Switch Ground | - | 1 | - | - |
| 1. Park, License, and/or Tail Lamps Malfunction 2. Headlamp Switch Malfunction |
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