P2E30

Battery Charger B Module Supply Voltage Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Battery charging problems
Unstable operation of electrical equipment
Reduced engine power

Causes

Charging module B fault
Wiring harness damage
Blown fuse
Battery problems
Generator malfunction

How to Fix

Check voltage at charging module B
Inspect the wiring harness for damage
Check fuses
Test the battery and generator
Replace charging module B if necessary

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