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 |
|---|---|---|---|---|
| B+ | C1112 00 | C1112 00 | - | - |
| Relay Feedback Signal | C1119 00 | C1119 00 | C1119 00 | - |
| Solid State Relay Enable Control | C1112 00 | C1112 00 | C1113 01 | - |
| Trailer Brake Output Supply Voltage Control | C1114 00 | C1114 00 | C1113 01, C1114 00 | - |
| Integrated Trailer Brake Relay Control Active Low Control | C1112 00 | C1112 00 | C1112 00 | - |
| Ground | - | C1112 00 | - | - |