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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System & Fuel System - 6.6L (LLY) - DTC P0016 To DTC P0341) >> DTC P0230 >> Diagnostic Fault Information

Diagnostic Fault Information

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DTC P0230

Circuit Short to Ground High Resistance Open Short to Voltage
Fuel Pump Relay Control P02303 1 P02303 P02302
Fuel Pump Relay Ground - P0230 P0230 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