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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 P0403, P1402, P1407, P140F, or P1424 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0403, P1402 

Control Circuit = Low Voltage/Open - For greater than 2.5 s

P1407 

Control Circuit = Control Circuit Shorted to Control Circuit - For greater than 2.5 s

P140F 

EGR Valve = Commanded state does not match the actual state

P1424 

EGR Control Driver Overtemperature = For greater than 1 s

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