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+ | U182A* | U182A* | - | - |
| Wake Up Signal | U182A, B137B* | U182A* | U189A* | - |
| Powertrain Serial Data (+) | U0074* | U0074, U182A* | U0074* | - |
| Powertrain Serial Data (-) | U0074* | U0074, U182A* | U0074* | - |
| * Other modules/DTCs will set with this fault. | ||||