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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 P0090-P0092, P163A, P163B, or P2294-P2296 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different variant/trim than selected.

High resistance in the circuits of the component Q18A /Q18B may set DTC P163A, P163B without setting control circuit DTC(s).