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Isuzu
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2004
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Axiom Base, RWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine DRIVEABILITY And Emissions - DTC P1237 To DTC U2104
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DTC P1250: Fuel Pump Relay Control Circuit Shorted to Ground
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Conditions For Setting The DTC
Conditions For Setting The DTC
Short counter is below 10.
Ignition "ON"
Fuel pump relay "OFF" (During in the Key OFF sequence etc.)
Ignition voltage is below 10.96V
No DTC's below set:
ROM (P0601)
RAM (P0604)