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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Automatic Transmission - 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P0711, P0712, Or P0713: Transmission Fluid Temperature Sensor >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. 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. Disconnect the electrical connector: X176 @ T12 Automatic Transmission Assembly
  4. Test for 65 to 47, 000 ohms between the test points: Signal terminal 2 & Low Reference terminal 1
    • If not between 65 to 47, 000 ohms 

      Replace the component: B13 Transmission Fluid Temperature Sensor

    • Go to next step: If between 65 to 47, 000 ohms 
  5. Verify the value is within the range listed in the table: Temperature Versus Resistance
    • If not in the specified range 

      Replace the component: B13 Transmission Fluid Temperature Sensor

    • Go to next step: If in the specified range 
  6. 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: B13 Transmission Fluid Temperature Sensor

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