100% Free

No Scanner Needed

Carly logo

P04BF - How To Repair: Meaning, Causes, Symptoms, Fixes

P04BF - OBD2 Trouble Code P04BF Fuel Fill Door Unlock Control Circuit/Open

P04BF Code Definition

P04BF Fuel Fill Door Unlock Control Circuit/Open

What Does the Engine Code P04BF Mean?

Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "0" in the second position means that this is a generic OBD-II (OBD2) DTC. "4" in the third character position in a DTC indicates that the auxiliary emission controls system is experiencing a malfunction. The last two characters "BF" is DTC number. OBD2 Diagnostic Trouble Code P04BF means that Fuel Fill Door Unlock Control Circuit/Open has been detected.

Carly Universal Scanner

Carly Adapter
    iOS and Android enabled
    All car brands supported
    14-day money-back guarantee on the scanner
    Lifetime warranty with premium customer support
Buy now

How Serious Is the Code P04BF?

This issue is critical and can lead to damages in your car. Please clear it first, drive your car for a couple of days. If the issue reappears, Carly recommends to fix your car to resolve this issue.

*Every car is unique. The Carly Features that your car supports depend on the model, build year, hardware, and software in the car. Plug the scanner in the OBD2 port, connect to the app, run your first diagnostics, and check which features are available for your car. Also, keep in mind that any information provided on this website is for informational purposes only and should be used at your own risk. Mycarly.com is not responsible for any errors or omissions, or for the results stemming from the use of this information.

Code list background

Top 10: The most common OBD2 trouble codes

Car Brands
carly-logo

© 2024 Carly Solutions GmbH & Co. KG. All rights reserved