P2B0B Code Definition
P2B0B Cold Start Cylinder 4 Injection Pulse Performance
What Does the Engine Code P2B0B Mean?
Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means that this is a ISO/SAE controlled OBD-II (OBD2) DTC. "B" in the third character position in a DTC indicates that the is experiencing a malfunction. The last two characters "0B" is DTC number. OBD2 Diagnostic Trouble Code P2B0B means that Cold Start Cylinder 4 Injection Pulse Performance has been detected.
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How Serious Is the Code P2B0B?
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.