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Home >> Chevrolet >> 2015 >> Volt >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Wiring Systems And Power Management - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P1A60: Battery Energy Control Module Ignition Accessory Switch Circuit >> Circuit/System Testing >> Hybrid Powertrain Control Module 2 Circuit Malfunction

Hybrid Powertrain Control Module 2 Circuit Malfunction

  1. Vehicle OFF, disconnect the X2 harness connector at the K114B Hybrid/EV Powertrain Control Module 2.
  2. Ignition ON.
  3. Verify a test lamp illuminates between the Accessory Wake up Serial Data 2 circuit terminal 67 and ground.
    • If the test lamp does not illuminate. 
    1. Ignition OFF remove the test lamp, disconnect the X4 connector at the K9 Body Control Module.
    2. Test for less than 2 Ω on the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K9 Body Control Module.
    • If the test lamp illuminates 
  4. Replace the K114B Hybrid/EV Powertrain Control Module 2.
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