P1432 The powertrain control module saw the hybrid battery module overheat
What does P1432 mean on a Honda?
P1432. The powertrain control module saw the hybrid battery module overheat. The system may reduce assist or stop using the battery to protect it.. This Honda-enhanced code applies to Honda and Acura models that use this code.
Common causes of P1432
- Battery module cooling fan not running
- Blocked or restricted airflow to the battery module
- Faulty battery module
- Sustained high load heating the battery module
How to fix P1432
- Confirm the code with a scan tool and check battery module data
- Check the battery module cooling fan operation
- Inspect the cooling ducts for debris or blockage
- Test the battery module temperature readings against the factory spec
- Replace the battery module only after tests prove it failed, then clear codes and retest
Sources and review
- Based on one independent source.
- Last updated 2026-10-02.