DTC Volkswagen U0305 Short Explanation 

The video focuses on the basic Volkswagen specific diagnostic error code.
Contents:
0:21 Basic DTC analysis according to OBD2 protocol standard.
1:48 Insight into programming
an explanation of what a bit is and how a byte is formed
decoding the Error Code to the base programming
2:58 A diagnostically understandable description of the Diagnostic Trouble Code
3:05 Basic error definition
Possible causes or errors of the car and its parts describing the mentioned error
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Make:
Volkswagen
Code:
U0305
Definition:
EVAP System Malfunction
Description:
Cold startup requirement met (ECT sensor from 14-90ºF and IAT sensor more than 14ºF),engine started,power steering switch "off",engine running under light load conditions,ECT sensor more than 180ºF,and the PCM detected less than a 3% change in the A or
Cause:
Charcoal canister is loaded with fuel or moistureECT,IAT,MAP or TP sensor signal is out-of-calibrationFuel filler cap loose,cross-threaded,incorrect part or damagedFuel tank pressure sensor is damaged or has failedFuel tank vapor