P0ED9

Generator Phase Y Current High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check engine light is on
Unstable operation of electrical equipment
Weak or overcharged battery
Noise or hum from the generator
Loss of power at high speeds

Causes

Generator malfunction
Problems with the voltage regulator
Short circuit in phase Y circuit
Generator brush wear
Damage to the stator winding

How to Fix

Check the condition of the generator and its components
Test the voltage regulator
Check phase Y circuit for short circuit
Replace generator if necessary
Check battery condition

Related codes

P0ED8 P0EDA P0620