P1445 Bypass Contactor Malfunction
What does P1445 mean on a Honda?
P1445 — Bypass Contactor Malfunction. This Honda-enhanced code applies to Insight, Civic Hybrid.
Common causes of P1445
- Bypass contactor stuck open or welded shut
- Failed bypass resistor
- Open in the contactor control circuit
- DC-DC converter fault upsetting contactor sequencing
- Motor control module logic fault
How to fix P1445
- Read contactor status PIDs with an HDS scan tool during IMA startup
- Inspect the bypass contactor and resistor for heat damage
- Test the contactor control circuit for opens and shorts
- Replace the contactor assembly if it fails to switch cleanly
- Reprogram the motor control module if directed, then verify startup sequencing