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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 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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

P0090 - P0092, P2294 - P2296 

Control Circuit = Commanded state does not match the actual state - For greater than 1 s

P163ACondition 1 

Q18A Fuel Pressure Regulator 1 - Electrical Current = Not within a calibrated range - For less than 2 s

Condition 2 

Q18A Fuel Pressure Regulator 1 - Control Circuit = High Resistance - For less than 2 s

P163BCondition 1 

Q18B Fuel Pressure Regulator 2 - Electrical Current = Not within a calibrated range - For less than 2 s

Condition 2 

Q18B Fuel Pressure Regulator 2 - Control Circuit = High Resistance - For less than 2 s

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