P0AFC

Hybrid/EV Battery Pack Sensor Module

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–222 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle power
Switching to emergency mode
Unstable operation of the hybrid system
Reduced range of an electric vehicle

Causes

Battery sensor module malfunction
Wiring harness damage
Poor contact in connectors
Software problems
Short circuit in the sensor circuit

How to Fix

Check the condition of the wiring harness and connectors
Scan the system for other errors
Check the functionality of the sensor module
Update module software
If necessary, replace the sensor module

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