P0E5F
Battery Charger Coupler Temperature A Too High
The coupler A temperature exceeds the safety threshold during charging. Contact resistance increased or charging current too high.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Common causes
Ordered by how often each turns out to be the cause.
- Coupler contacts oxidised - high resistanceCommon
- Charging current above coupler ratingPossible
Parts involved
- Battery Charger Coupler A
P0E5F 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.