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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC P20E8 or P20E9 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P20E8 

Reductant Pressure = Less than a predefined threshold - For greater than 20 s

P20E9 

Reductant Pressure = Greater than a predefined threshold - For greater than 20 s

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