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Home >> GMC >> 2002 >> Yukon Denali >> Repair and Diagnosis (Single Page) >> Body & Frame >> Exterior/Interior Trim >> Instrument Panel, Gauges & Console >> Diagnostic Information & Procedures >> DTC P1431: PCM Detects No Change in Secondary Fuel Level >> Conditions for Setting the DTC

Conditions for Setting the DTC

The PCM does not detect a change in the secondary fuel level of at least 3.0 L (0.79 gal) over a distance of 201 km (125 mi).

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