P0E86

Battery Charger B Input Voltage Too Low

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$33–167 (est.)

Symptoms

Low battery warning on dashboard
Reduced performance of the hybrid system
Problems starting the car
Disabling some electronic systems
Check Engine Light Flashing

Causes

Generator malfunction
Damaged or corroded charging circuit wires
Battery B fault
Problems with the charging control module
Poor contact in the charging system connectors

How to Fix

Check voltage at battery terminals B
Inspect the wiring harness and charging system connectors
Test the generator for proper operation
Check the condition of battery B
Scan the charging control module for errors

Related codes

P0E85 P0E87 P0E88