P2D27
Coolant Pump F Control Circuit Performance/Stuck Off
P2D27 is an OBD-II diagnostic trouble code meaning: Coolant Pump F Control Circuit Performance/Stuck Off. Common causes: coolant pump failure, open or short circuit in control circuit. Estimated repair cost: $56–167.
Symptoms
- Engine overheating
- Unstable coolant temperature
- Check Engine Light Is On
- Reduced engine performance
- Noises from the coolant pump
Causes
- Coolant pump failure
- Open or short circuit in control circuit
- Damaged connectors or corrosion
- Engine control unit (ECU) malfunction
- Pump relay problems
How to Fix
- Check fuses and pump relays
- Inspect wiring and connectors for damage
- Check resistance and voltage in the pump circuit
- Replace the coolant pump if necessary
- Reflash or replace the ECU if other causes are excluded
Related codes
Error P2D27 by Vehicle Brand
FAQ
What does the P2D27 code mean?
P2D27 is an OBD-II diagnostic trouble code that indicates: Coolant Pump F Control Circuit Performance/Stuck Off
What causes a P2D27 error code?
The most common causes of P2D27 include: Coolant pump failure; Open or short circuit in control circuit; Damaged connectors or corrosion; Engine control unit (ECU) malfunction.
How do I fix a P2D27 diagnostic trouble code?
To fix P2D27: Check fuses and pump relays. Inspect wiring and connectors for damage. Check resistance and voltage in the pump circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D27?
Do not drive — repair immediately
How much does it cost to fix P2D27?
The estimated repair cost for P2D27 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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