Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2013 GMC Yukon XL, 2013 GMC Yukon, 2013 Chevrolet Suburban, 2013 Chevrolet Avalanche, and 2013 Cadillac Escalade EXT. 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 |
|---|---|---|---|---|
| Battery Voltage - Relay Switch Side | 1 | 3 | - | - |
| Fuel Pump Supply Voltage | 1 | 3 | 2 | - |
| Fuel Pump Relay Control | P2632 | P2632 | P2632 | - |
| Fuel Pump Relay Ground | - | P2632 | - | - |
| Fuel Pump Ground | - | 3 | - | - |
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