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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P111E >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector : B34 Engine Coolant Temperature Sensor
  3. Test for 42 to 78, 34 ohms between the test points: Signal terminal 1/A & Low Reference terminal 2/B
    • If not between 42 and 78, 34 ohms 

      Replace the component: B34 Engine Coolant Temperature Sensor

    • Go to next step: If between 42 and 78, 34 ohms 
  4. Verify the value is within the range listed in the table: Temperature Versus Resistance - Engine Coolant Temperature Sensor
    • If not in the specified range 

      Replace the component: B34 Engine Coolant Temperature Sensor

    • Go to next step: If in the specified range 
  5. 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: B34 Engine Coolant Temperature Sensor

    • Go to next step: If infinite resistance 
  6. All OK.
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