P2DFA
Coolant Pump E Supply Voltage Circuit
P2DFA is an OBD-II diagnostic trouble code meaning: Coolant Pump E Supply Voltage Circuit. Common causes: open or short circuit in the pump power supply circuit, coolant pump relay malfunction. Estimated repair cost: $33–167.
Symptoms
- Engine overheating
- Unstable operation of the cooling system
- Check Engine Light Is On
- Reduced cooling efficiency
Causes
- Open or short circuit in the pump power supply circuit
- Coolant pump relay malfunction
- Poor contact in connectors
- Electrical coolant pump malfunction
- Problems with the engine control unit
How to Fix
- Check the integrity of the pump power supply circuit
- Inspect connectors and contacts for oxidation or damage
- Check the operation of the coolant pump relay
- Test the electric coolant pump
- If necessary, replace the pump or relay
Related codes
Error P2DFA by Vehicle Brand
FAQ
What does the P2DFA code mean?
P2DFA is an OBD-II diagnostic trouble code that indicates: Coolant Pump E Supply Voltage Circuit
What causes a P2DFA error code?
The most common causes of P2DFA include: Open or short circuit in the pump power supply circuit; Coolant pump relay malfunction; Poor contact in connectors; Electrical coolant pump malfunction.
How do I fix a P2DFA diagnostic trouble code?
To fix P2DFA: Check the integrity of the pump power supply circuit. Inspect connectors and contacts for oxidation or damage. Check the operation of the coolant pump relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2DFA?
Do not drive — repair immediately
How much does it cost to fix P2DFA?
The estimated repair cost for P2DFA is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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