P1449 – Battery Module Overheating (Honda Civic Hybrid)

P1449 – Battery Module Overheating (Honda Civic Hybrid)

SYMPTOMS:

  • Overheat warning light
  • IMA system may disable itself
  • Reduced charging performance

POSSIBLE CAUSES:

  • Battery pack overheating due to increased internal resistance
  • Cooling fan fault or restricted airflow in cooling ducting