2012 Honda Civic Hybrid – IMA Warning With P0A78 and P1440
- Aug 16
- 1 min read
CUSTOMER CONCERN
The IMA warning is active and DTCs P0A78 and P1440 are stored for an MPI internal/output-circuit fault.
CAUSE
MPI power and ground circuit checks passed, confirming an internal failure of the Motor Power Inverter module.
CORRECTION
Remove and replace the Motor Power Inverter module, clear P0A78 and P1440, and verify IMA-system operation.
