P2CF3

Hybrid/EV Battery Pack Coolant Pump A Underspeed

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced vehicle power
Malfunction warning on the dashboard
Battery overheating
Cooling pump noises
Activating emergency mode

Causes

Cooling pump malfunction
Pump power problems
Open or short circuit in control circuit
Blocked pump impeller
Control unit malfunction

How to Fix

Check fuses and pump relays
Diagnose the electrical circuit of the pump
Check the mechanical condition of the pump
Measure the actual speed of the pump
If necessary, replace the cooling pump

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