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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Controls And Fuel - 5.3L (L83) Or 6.2L (L86) - DTC P0010 To DTC P0442) >> Diagnostic Information And Procedures >> DTC P0178 Or P0179: Fuel Composition Sensor Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0178 

The engine control module detects that the fuel composition sensor output frequency is less than 45 Hz for greater than 6 s.

P0179 

The engine control module detects that the fuel composition sensor output frequency is between 155 - 185 Hz for greater than 6 s.

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