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Home >> Chevrolet >> 2015 >> Volt >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Control System >> Diagnostic Information and Procedures >> DTC P1E40-P1E42: 14V Power Module Hybrid/EV Battery System >> Circuit/System Verification

Circuit/System Verification

  1. Vehicle ON.
  2. Verify DTC P1E40, P1E41 or P1E42 is not set.
    • If any of the DTCs are set 
    1. Program the K1 14V Power Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K1 14V Power Module.
      • If the DTC does not set.
    3. All OK
    • If none of the DTCs are set 
  3. All OK
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