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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P00B3 or P00B4: Radiator Coolant Temperature (RCT) Sensor (LUV) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Radiator Coolant Temperature Sensor parameter is between -39 to + 120°C (-38 to +248°F) and changes with engine run time.
    • If not between -39 to + 120°C (-38 to +248°F) or does not change 

      Refer to Circuit/System Testing.

    • If between -39 to + 120°C (-38 to +248°F) and changes 
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  4. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  5. All OK.
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