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Home >> Chevrolet >> 2019 >> Cruze Premier, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P057B-P208D)) >> Diagnostic Information and Procedures >> DTC P10DA-P10DD or P21CB (Hatchback) >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: A38 Reductant Pump and Sensor Assembly
  3. Test for 1 to 2 ohms between the test points: Control terminal 4 & Low Reference terminal 5
    • If not between 1 and 2 ohms 

      Replace the component: A38 Reductant Pump and Sensor Assembly

    • Go to next step: If between 1 and 2 ohms 
  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: A38 Reductant Pump and Sensor Assembly

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