P04B5 Code Definition
P04B5 Fuel Fill Door Stuck Open
What Does the Engine Code P04B5 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 "B5" is DTC number. OBD2 Diagnostic Trouble Code P04B5 means that Fuel Fill Door Stuck Open has been detected.
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How Serious Is the Code P04B5?
For now, this issue is not serious. Carly recommends you to check this issue on a regular basis and check if it gets worse later on.
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