U3005

Retained Accessory Power

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–33 (est.)

Symptoms

Additional devices do not work after turning off the ignition
The audio system or power windows do not work correctly
Random turning on/off of devices
Power problems when the engine is off

Causes

Faulty power relay
Open or short circuit in the circuit
Problems with the control module
Contact corrosion
Fuse box malfunction

How to Fix

Check the condition of the fuses
Diagnose power relay
Check wiring integrity
Test the control module
Clean contacts from corrosion

Related codes

U3000 U3003 U3004