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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (1 Of 3)) >> Diagnostic Information and Procedures >> DTC P0404 or P042E >> Conditions for Setting the DTC

Conditions for Setting the DTC

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EGR Valve = Commanded state does not match the actual state - For greater than 2.5 s