P2D3F

Hybrid/EV Battery Cooling System B Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Hybrid system power reduction
Battery warning on instrument panel
Extended charging time (for PHEV)
Reduced electric range
Activation of emergency operation

Causes

Low coolant level
Battery cooling pump malfunction
Clogged filter or radiator of the cooling system
Problems with battery temperature sensors
Battery control unit malfunction

How to Fix

Check the level and condition of the coolant
Diagnose the operation of the battery cooling pump
Check temperature sensors and their wiring
Scan the battery control unit for errors
Check the radiator and system pipes for blockages

Related codes

P2D3E P0AA6 P0A7F