P21DF Code Definition
P21DF Cylinder 2 Injector 'B' Circuit High
What Does the Engine Code P21DF 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. "1" in the third character position in a DTC indicates that the fuel and air metering and auxiliary emission controls is experiencing a malfunction. The last two characters "DF" is DTC number. OBD2 Diagnostic Trouble Code P21DF means that Cylinder 2 Injector 'B' Circuit High has been detected.
Carly Universal Scanner
How Serious Is the Code P21DF?
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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