Diagnostic Fault Information
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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+ | 1 | U1815/U1816 | - | - |
| B+ | 1 | U1815/U1816 | - | - |
| Ignition | 1 | U1815/U1816 | - | - |
| Module Ground Strap | - | U1815/U1816 | 1 | - |
| High Speed hybrid GMLAN Serial Data (+) | U0074 | U1815/U1816 | U0074 | - |
| High Speed hybrid GMLAN Serial Data (-) | U0074 | U1815/U1816 | U0074 | - |
| Hybrid Module Wake-up Signal | B137A | U1815/U1816 | - | - |
| 1. Multiple symptoms may occur due to open fuses. | ||||