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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Hybrid/EV System Heating And Cooling) >> Diagnostic Information and Procedures >> DTC P0CEF-P0CF2 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Vehicle OFF, disconnect the harness connector at the B202 Hybrid/EV Electronics Coolant Temperature Sensor.
  2. Test for 2 - 2.5k Ω at approximately 21.11°C (70°F) between the signal terminal and the low reference terminal. Refer to Temperature Versus Resistance  for Hybrid/EV Electronics Coolant Temperature Sensor.
    • If not within the specified range 

      Replace the B202 Hybrid/EV Electronics Coolant Temperature Sensor.

    • Go to next step: If within the specified range 
  3. All OK.
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