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Home >> Chevrolet >> 2019 >> Bolt EV Premier >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Plug-In Charging System) >> Diagnostic Information and Procedures >> DTC P3002, P3003, P301F, or P3020 >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2018 Chevrolet Bolt EV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Vehicle in Service Mode.
  2. Observe the scan tool DC Positive Supply Isolation Voltage parameter. The reading should be 0 V.
    • If greater than 0 V 

      Refer to Circuit/System Testing

    • Go to next step: If 0 V 
  3. Verify that DTC P3002, P3003, P301F, or P3020 does not set while operating the vehicle within the Conditions for Running the DTC.
    • If any of the DTCs are set 

      Refer to Circuit/System Testing.

    • Go to next step: If none of the DTCs are set 
  4. All OK.
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