P0E54

DC/DC Converter Current Sensor A Circuit High

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Problems with charging a 12-volt battery
Hybrid system power reduction
Errors in the operation of on-board electronics
Dashboard warnings

Causes

Faulty current sensor of the DC/DC converter
Damage to the current sensor circuit
Short circuit in the circuit
Problems with DC/DC converter
Hybrid ECU malfunction

How to Fix

Check the continuity of the current sensor circuit
Test the operation of the current sensor
Check the condition of the DC/DC converter
Scan the ECU for additional errors
Replace faulty system components

Related codes

P0E53 P0E55 P0E56