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Home >> Chevrolet >> 2015 >> Volt >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Data Communication System - DTC B1000 To DTC U183E >> Diagnostic Information and Procedures >> DTC P0601-P0606, P060A, P062F or P262B: Control Module >> Circuit/System Verification

Circuit/System Verification

NOTE: The DTC P0606 can falsely set in K114B Hybrid/EV Powertrain Control Module 2 when disconnecting the 12 V battery. See Diagnostic Aids  for more information.
  1. Vehicle in Service Mode.
  2. Verify DTC P0606 is not set.
    • If DTC P0606 is set without other DTCs set 

      Replace the device that set the DTC.

    • If DTC P0606 is not set 
  3. Verify DTC P0602 is not set.
    • If DTC P0602 is set 
    1. Program the device that set the DTC.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the device that set the DTC.
      • If the DTC does not set
    3. All OK.
    • If DTC P0602 is not set 
  4. Verify DTC P0601, P0603, P0604, P0605, P060A, P062F or P262B is not set.
    • If any of the DTCs are set 

      Replace the device that set the DTC.

    • If none of the DTCs are set 
  5. All OK
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