DTC Volkswagen P0444 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
We will continue to work on improving the content.
Our efforts at Maxidot s.r.o.the video content gets better.
#maxidot #dtc #howto #diagnostictroublecode #volkswagen
Make:
Volkswagen
Code:
P0444
Definition:
DC to DC Converter Control Module A Lost Communication With Hybrid Powertrain Control Module
Description:
The system voltage is between 9-16 volts.The vehicle power mode master requires serial data communication to occur.
Cause:
The HPCM does not receive voltage from the SDGM on the wake up signal circuit.The wake up circuit between the SDGM and the APM is shorted to voltage.Any of the 4 PTLAN circuits connected to the HPCM are open.