P2E43
Hybrid/EV Electronics Coolant Pump B Control Circuit Low
P2E43 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Electronics Coolant Pump B Control Circuit Low. Common causes: electronics cooling pump failure, open or short circuit in control circuit. Estimated repair cost: $167–444.
Symptoms
- Hybrid system warning on dashboard
- Reduced power or transition to emergency mode
- Overheating of electronic components
- Noisy operation or lack of operation of the cooling pump
Causes
- Electronics cooling pump failure
- Open or short circuit in control circuit
- Pump control relay problems
- Corrosion of contacts or connectors
- Malfunction of the hybrid system control unit
How to Fix
- Check the pump circuit fuse
- Diagnose resistance and voltage in the control circuit
- Check the operation of the cooling pump
- Inspect connectors and wiring for damage
- If necessary, replace the electronics cooling pump
Related codes
Error P2E43 by Vehicle Brand
FAQ
What does the P2E43 code mean?
P2E43 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Electronics Coolant Pump B Control Circuit Low
What causes a P2E43 error code?
The most common causes of P2E43 include: Electronics cooling pump failure; Open or short circuit in control circuit; Pump control relay problems; Corrosion of contacts or connectors.
How do I fix a P2E43 diagnostic trouble code?
To fix P2E43: Check the pump circuit fuse. Diagnose resistance and voltage in the control circuit. Check the operation of the cooling pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2E43?
Limited driving only, diagnose soon
How much does it cost to fix P2E43?
The estimated repair cost for P2E43 is $167–444. Actual cost depends on your vehicle, location, and labor rates.
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