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 | High Resistance | Open | Short to Voltage |
|---|---|---|---|---|
| Fuel Pump Relay Control | P26323 | 1 | P26323 | P26322 |
| Fuel Pump Relay Ground | - | P2632 | P2632 | 3 |
| Fuel Pump Relay Battery Voltage | 3 | 1 | 3 | 2 |
| Fuel Pump Supply Voltage | 3 | 1 | 3 | 2 |
| Fuel Pump Ground | - | 1 | 3 | 3 |
| 1
Low current, fuel pump runs slow 2 Pump operates continuously, then discharges battery 3 Pump inoperative |
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