P2AD5

Intermediate System Voltage High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–222 (est.)

Symptoms

Check Engine Light Is On
Unstable operation of electronic systems
Recharging the battery
Damage to electronic components

Causes

Faulty generator
Problems with the voltage regulator
Short circuit in charging circuit
Engine control unit malfunction

How to Fix

Check the battery voltage with the engine running
Diagnose the generator and voltage regulator
Check the charging circuit for short circuits
If necessary, replace the generator or voltage regulator

Related codes

P0562 P0563 P0620