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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1384 (Engine Controls And Fuel - Hybrid (Hp2) 6.0L (LFA) - DTC O0700 To DTC P3449) >> DTC P2635 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open or High Resistance Short to Voltage Signal Performance
Fuel Pump High Control P0231 P023F P0232 P023F, P2635
Fuel Pump Low Control - P023F - P023F, P2635