P2DFC

Hybrid/EV Battery Coolant Leak Detected

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–167 (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

Visual inspection of the cooling system for leaks
Checking the level and condition of the coolant
Diagnostics of pressure in the cooling system
Replacing damaged system components
Filling the system with special coolant

Related codes

P2DFD P2DFE P0A80