P0AFE

Hybrid/EV Battery System Voltage Too Low for Voltage Step Up Conversion

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–222 (est.)

Symptoms

Hybrid system power reduction
Increased fuel consumption
Check Engine Light Illuminates
Battery charging problems
Unstable operation of the hybrid system

Causes

Hybrid battery low
Battery cell failure
Problems with voltage converter
Open or short circuit in battery circuits
Battery management system malfunction

How to Fix

Check the charge level of the hybrid battery
Diagnose the condition of battery cells
Check the operation of the voltage converter
Inspect battery circuits and connections
Scan the battery management system for errors

Related codes

P0AFA P0AFD P0AFF