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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (1 Of 5)) >> Diagnostic Information and Procedures >> DTC P007B or P10D5 >> 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:
    • B193A Charge Air Cooler Air Temperature Sensor - Inlet
    • B193B Charge Air Cooler Air Temperature Sensor - Outlet
  3. Test for 200 to 114, 900 ohms between the test points: Signal terminal 2 & Low Reference terminal 1
    • If not between 200 and 114, 900 ohms 

      Replace the component: B193A Charge Air Cooler Air Temperature Sensor - InletorB193B Charge Air Cooler Air Temperature Sensor - Outlet

    • Go to next step: If between 200 and 114, 900 ohms 
  4. Verify the value is within the range listed in the table: Temperature Versus Resistance - Charge Air Cooler Temperature Sensor (B193A Charge Air Cooler Air Temperature Sensor - Inlet and B193B Charge Air Cooler Air Temperature Sensor - Outlet) , or Temperature Versus Resistance - Charge Air Cooler Temperature Sensor (B34K Charge Air Cooler Coolant Temperature Sensor - Inlet)
    • If not in the specified range 

      Replace the component: B193A Charge Air Cooler Air Temperature Sensor - InletorB193B Charge Air Cooler Air Temperature Sensor - Outlet

    • 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: B193A Charge Air Cooler Air Temperature Sensor - InletorB193B Charge Air Cooler Air Temperature Sensor - Outlet

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