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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Instrument Panel, Gages, And Console) >> Diagnostic Information and Procedures >> DTC P1431: No Change In Secondary Fuel Level >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The PCM does not detect a change in secondary fuel level of at least 3.0 L (0.79 gal) over a distance of 320 km (200 mi).

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