U3005
Retained Accessory Power
U3005 is an OBD-II diagnostic trouble code meaning: Retained Accessory Power. Common causes: faulty power relay, open or short circuit in the circuit. Estimated repair cost: $6–33.
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
Error U3005 by Vehicle Brand
FAQ
What does the U3005 code mean?
U3005 is an OBD-II diagnostic trouble code that indicates: Retained Accessory Power
What causes a U3005 error code?
The most common causes of U3005 include: Faulty power relay; Open or short circuit in the circuit; Problems with the control module; Contact corrosion.
How do I fix a U3005 diagnostic trouble code?
To fix U3005: Check the condition of the fuses. Diagnose power relay. Check wiring integrity. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U3005?
Yes, but get it checked soon
How much does it cost to fix U3005?
The estimated repair cost for U3005 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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