P2E46
Hybrid/EV Electronics Coolant Pump B Overspeed - Dry Run
P2E46 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Electronics Coolant Pump B Overspeed - Dry Run. Common causes: low coolant level, leak in the cooling system. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Reduced cooling efficiency of the hybrid system
- Noise or hum from the cooling pump
- Overheating of electronic components
- Hybrid system power reduction
Causes
- Low coolant level
- Leak in the cooling system
- Airing the cooling system
- Electric pump malfunction
- Problems with pump wiring or connectors
How to Fix
- Check coolant level
- Inspect the system for leaks
- Eliminate air locks in the system
- Check the operation of the pump and its power supply
- If necessary, replace the cooling pump
Related codes
Error P2E46 by Vehicle Brand
FAQ
What does the P2E46 code mean?
P2E46 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Electronics Coolant Pump B Overspeed - Dry Run
What causes a P2E46 error code?
The most common causes of P2E46 include: Low coolant level; Leak in the cooling system; Airing the cooling system; Electric pump malfunction.
How do I fix a P2E46 diagnostic trouble code?
To fix P2E46: Check coolant level. Inspect the system for leaks. Eliminate air locks in the system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2E46?
Limited driving only, diagnose soon
How much does it cost to fix P2E46?
The estimated repair cost for P2E46 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat