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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 376 (ENGINE CONTROLS - SELF-DIAGNOSTICS - 4.8L, 5.3L & 6.0L - Flex Fuel & Gasoline) >> Diagnostic Tests >> DTC P1172: Secondary Fuel Pump Transfer Malfunction >> Conditions For Setting DTC

Conditions For Setting DTC

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The PCM does not detect a change of 1.06 gal. (4 L) in both the primary and secondary fuel level sensors with the secondary pump commanded ON for 120 seconds.

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