P0D64

Hybrid/EV Battery Pack Cooling Fan Enable Circuit/Open

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Hybrid/electric battery overheating
Noisy or no fan operation
Reduced vehicle power
Malfunction warning on the dashboard
The car goes into emergency mode

Causes

Open or short circuit in the fan circuit
Fan motor malfunction
Fan control relay problems
Battery management module malfunction
Wiring harness damage

How to Fix

Check the integrity of the power supply and fan control circuits
Test the performance of the fan motor
Check the condition of the relays and fuses
Diagnose the battery management module for errors
Repair or replacement of damaged components

Related codes

P0D65 P0D66 P0D63