P0A94

DC/DC Converter A Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (est.)

Symptoms

Hybrid system warning light on dashboard
Problems starting the car
Discharging 12V battery
Reduced performance of the hybrid system
Engine power limitation

Causes

DC/DC converter malfunction
Problems with high voltage battery
Poor connections or corroded contacts
Damaged wiring or fuses
Control unit software error

How to Fix

Check the condition of the high-voltage battery
Inspect the connections and wiring of the converter
Check fuses and relays
Test the DC/DC converter
Update the hybrid system control unit software
Repair only from an authorized dealer

Related codes

P0A93 P0A95 P0A80