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 P0545, P0546, P2032, P2033, P242C, P242D, P2470, P2471, P2481, or P2482 >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Disconnect the appropriate electrical connector : B131 Exhaust Temperature Sensor
    3. NOTE:

    Use the special tool : EL-25070 Heat Gun 260 to 400°C (500 to 750°F)

  3. Test the resistance between the test points : Signal terminal 2 & Low Reference terminal 1

    Verify the value is within the range listed in the table : Temperature Versus Resistance - Exhaust Gas Temperature Sensor

    • If not in the specified range 

      Replace the component : B131 Exhaust Temperature Sensor

    • Go to next step : If in the specified range 
  4. Test for infinite resistance between the test points : Each terminal of the component & The component's housing
    • If less than infinite resistance 

      Replace the component : B131 Exhaust Temperature Sensor

    • Go to next step : If infinite resistance 
  5. All OK.
scientia non olet · About LEMON Manuals