P0A85

Hybrid/EV Battery Pack Cooling Fan 1 Control Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced performance of the hybrid system
Noisy cooling fan
Low battery power
Error message on display

Causes

Battery cooling fan malfunction
Open or short circuit in control circuit
Fan relay problems
Malfunction of the hybrid system control module
Corroded contacts or damaged connectors

How to Fix

Check the condition of the battery cooling fan
Check the integrity of the control circuit and the condition of the connectors
Check the operation of the fan relay
Scan the control module for additional errors
If necessary, replace the fan or repair the wiring

Related codes

P0A80 P0A84 P0A86