P0E1E
Hybrid/EV Battery Pack Coolant Pump B Control Circuit Driver Current/Temperature Too High
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connectors for any signs of damage or loose connections
- Inspect the coolant pump for any obstructions or signs of malfunction
- Test and replace the coolant pump if it is found to be faulty
- Inspect and repair any issues with the control circuitry for the coolant pump
Common causes
Most likely first
- Faulty hybrid/EV battery pack coolant pump
- Short circuit or open circuit in the control circuit wiring
- Malfunctioning coolant pump control module
- Low coolant level in the hybrid/EV battery pack coolant system
How to diagnose & fix
Work through it in order
- Overheating of the battery pack
- Increased battery pack temperature warning
- Loss of power or reduced electric range
Read & clear P0E1E yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.