LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P11B3, P22B6, P22B7, or P2A01 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following component/system :
    • B66 Intake Air Temperature Sensor
    • B75C Multifunction Intake Air Sensor
    • B195 Nitrogen Oxides Sensor - Circuit
    • Q14 Exhaust Gas Recirculation Valve
    • Q17 Fuel Injector
    • Fuel System
    • Go to next step : If a related DTC is not set 
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

    Verify the DTC does not set.

    • If the DTC sets 

      Replace the component : B195B Nitrogen Oxides Sensor 2

    • Go to next step : If the DTC does not set 
  4. All OK.
scientia non olet · About LEMON Manuals