P051B Code Definition
P051B Crankcase Pressure Sensor Circuit Range/Performance
What Does the Engine Code P051B 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. "5" in the third character position in a DTC indicates that the vehicle speed, idle control and auxiliary inputs is experiencing a malfunction. The last two characters "1B" is DTC number. OBD2 Diagnostic Trouble Code P051B means that Crankcase Pressure Sensor Circuit Range/Performance has been detected.
Carly Universal Scanner
How Serious Is the Code P051B?
This issue is not critical yet. Make sure that it is current and fix it early before this leads to more severe issues.
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