P2CC4

Generator Voltage Sense Circuit B High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$33–167 (est.)

Symptoms

Check Engine Light Is On
Recharging the battery
Dim or too bright headlights
Unstable operation of electrical equipment
Burnt smell from wiring

Causes

Generator malfunction
Problems with the voltage regulator
Open or short circuit in wiring
Contact corrosion
Battery fault

How to Fix

Check generator output voltage
Inspect wiring and contacts for damage
Test the voltage regulator
If necessary, replace the generator or regulator
Check battery condition

Related codes

P2CC5 P2CC3 P0562