P0E5D

DC/DC Converter Enable Circuit intermittent/Erratic

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Unstable operation of the vehicle's electrical systems
Problems with charging a high-voltage battery
Check Engine Light Illuminates
Hybrid system power reduction
Intermittent operation of auxiliary systems

Causes

Damage to the switching circuit wiring harness
Poor contact in connectors
Faulty relay or fuse
Problems with the DC/DC converter itself
Short circuit in the circuit

How to Fix

Check the integrity of the wiring harness
Inspect and clean connector contacts
Check the condition of the relays and fuses
Test the operation of the DC/DC converter
Check for CU firmware updates

Related codes

P0E5C P0E5E P0E5F