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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Automatic Transmission - 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0711-P0713 >> 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. Remove the component: Automatic Transmission Fluid Pan
  3. Remove the component: Control Valve Assembly
    4. NOTE:

    Testing for steps 4 to 7 is performed on the component side of the harness connector.

  4. Disconnect the electrical connector: X176
  5. Test for 65 to 47, 000 ohms between the test points: Signal circuit terminal 14 & Low Reference terminal 16 @ X176
    • If not between 65 and 47, 000 ohms 

      Replace the component: B13 Transmission Fluid Temperature Sensor

    • Go to next step: If between 65 and 47, 000 ohms 
  6. All OK.
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