P2DF4
Coolant Pump E Control Circuit/Open
P2DF4 is an OBD-II diagnostic trouble code meaning: Coolant Pump E Control Circuit/Open. Common causes: broken wires in the pump control circuit, coolant pump relay malfunction. Estimated repair cost: $28–133.
Symptoms
- Engine overheating
- Unstable operation of the cooling system
- Check Engine Light Is On
- Reduced interior heating efficiency
- Incorrect coolant temperature readings
Causes
- Broken wires in the pump control circuit
- Coolant pump relay malfunction
- The pump motor has failed
- Pump connector connection problems
- Malfunction of the engine control unit (rare)
How to Fix
- Check the integrity of the wiring and connections of the pump
- Check the functionality of the pump relay
- Check the pump motor for resistance
- Check power and ground at the pump connector
- If necessary, replace the coolant pump
Related codes
Error P2DF4 by Vehicle Brand
FAQ
What does the P2DF4 code mean?
P2DF4 is an OBD-II diagnostic trouble code that indicates: Coolant Pump E Control Circuit/Open
What causes a P2DF4 error code?
The most common causes of P2DF4 include: Broken wires in the pump control circuit; Coolant pump relay malfunction; The pump motor has failed; Pump connector connection problems.
How do I fix a P2DF4 diagnostic trouble code?
To fix P2DF4: Check the integrity of the wiring and connections of the pump. Check the functionality of the pump relay. Check the pump motor for resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2DF4?
Limited driving only, diagnose soon
How much does it cost to fix P2DF4?
The estimated repair cost for P2DF4 is $28–133. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat