P0E43
Hybrid/EV Powertrain Control Module B
The hybrid powertrain control module B reports a generic fault. Internal self-tests fail or response time outside calibration.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Internal module faultCommon
- Communication lostPossible
Parts involved
- Hybrid Powertrain Cm B
P0E43 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.