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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Controls And Fuel - 4.3L (LV1) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0442 or P0455 >> Conditions for Running the DTC

Conditions for Running the DTC

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DTC P0442

Frequency the DTC runs = Once - Per hot soak - DTC test could take 40 min to complete

DTC P0455

Frequency the DTC runs = Once Per cold start-up