OBD Guide

P2DFC

Hybrid/EV Battery Coolant Leak Detected

P2DFC is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Coolant Leak Detected. Common causes: damage to pipes or hoses of the cooling system, leaky connections in the cooling circuit. Estimated repair cost: $17โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$17โ€“167 (est.)

Symptoms

  • Hybrid system warning on dashboard
  • Reduced power or range of an electric vehicle
  • Battery compartment overheating
  • Visible traces of coolant under the car
  • Increased cooling system noise

Causes

  • Damage to pipes or hoses of the cooling system
  • Leaky connections in the cooling circuit
  • Defective battery heat exchanger
  • Damage to seals or gaskets
  • Corrosion of cooling system components

How to Fix

  1. Visual inspection of the cooling system for leaks
  2. Checking the level and condition of the coolant
  3. Diagnostics of pressure in the cooling system
  4. Replacing damaged system components
  5. Filling the system with special coolant

Related codes

Error P2DFC by Vehicle Brand

FAQ

What does the P2DFC code mean?

P2DFC is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Coolant Leak Detected

What causes a P2DFC error code?

The most common causes of P2DFC include: Damage to pipes or hoses of the cooling system; Leaky connections in the cooling circuit; Defective battery heat exchanger; Damage to seals or gaskets.

How do I fix a P2DFC diagnostic trouble code?

To fix P2DFC: Visual inspection of the cooling system for leaks. Checking the level and condition of the coolant. Diagnostics of pressure in the cooling system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2DFC?

Do not drive โ€” repair immediately

How much does it cost to fix P2DFC?

The estimated repair cost for P2DFC is $17โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat