P0D85

Battery Charging Output Voltage Too High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Recharging the battery
Battery overheating
Failure of electronic components
Dashboard flashing or turning off
Unstable engine operation

Causes

Faulty voltage regulator
Problems with the generator
Short circuit in the electrical circuit
Wiring harness damage
Engine control unit malfunction

How to Fix

Check the charging voltage with a multimeter
Diagnose the voltage regulator
Check the condition of the generator
Inspect electrical connections and wiring harnesses
If necessary, replace the generator or voltage regulator

Related codes

P0562 P0563 P0620