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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 P1EA8: 14V Power Module Hybrid/EV Battery System >> Circuit/System Verification

Circuit/System Verification

  1. Perform the Battery Inspection/Test .
    NOTE: To accurately diagnose the charging system, the C1 Battery must be fully charged and capable of passing the Battery Inspection/Test.
  2. Vehicle ON.
  3. Verify DTC P0AFA is not set.
    • If the DTC is not set 
  4. Verify DTC P1ABC or P1ABD is not set.
    • If none of the DTCs are set 
  5. Verify DTC P1EA8 is not set.
    • If the DTC is 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 the DTC is not set 
  6. All OK
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