Problems of vgs 722.8 TEMIC VGS A1693701106 Benz A Class W169 CVT Mechatronics?

Posted by Candy Lai on

Mechatronics Function

For comfortable user experience, Mercedes-Benz A class & B class, like mercedes benz temic vgs 722.8 réparation, all equipped with Continuously Variable Transmission (CVT) with torque converter. Torque converter, in technical sense, is not necessary as CVT function is good and comfortable enough. However combination of CVT & Torque Converter delicately brings high satisfactions to Mercedes car owners.

Mechatronics, a component consists of mechanics & electronics, collaborates the function between CVT and torque converter. In which, channels & valves are so called mechanics part. TCU or Autronic is the electronic component, where very common that defects will appear and presented in different error codes.


Faulty 
Codes
1st thing to do is to have verified mechanic connect your TCU/ TCM onto computer to do analysis.

The common faulty codes:
0793 > The RPM signal from secondary RPM sensor is not available       
0722 > The RPM sensor from output RPM sensor is not available
1634 > Component Y3/9n1 CVT is defective or the voltage supply is under voltage
0717 > The RPM signal from CVT output rpm sensor is not available
0730 > The gear ratio in CVT is not permissible
0657 >The voltage supply of the control solenoid valves in the CVT is faulty
TRANSMISSION SENSORS Y3/9B4+Y3/9B5 FOR MERCEDES 722.8 GEARBOX CONTROL UNIT      

Symptoms of a faulty TCU /TCM

Common situations will occur when 722.8 transmission control unit goes wrong:
1. Limp Home Mode

<WHEN YOUR 722.9 7-SPEED TRANSMISSION GOT STUCK IN LIMP HOME MODE!!>

2.Power losing
3.Engine Check Light on
4.Postpone reaction of gear switch
5.Speed sensor fault
6.Gear Stuck

Easy Process to order 0AM TCU

  1. Give VIN or Chassis No
  2. HJL Team confirm fitment in 4hrs
  3. 3-5days to program the module after payment received
  4. DHL or Fedex delivery and you will receive around 1-4days depends on express company arrangement



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Resource & External Links:
>https://www.ecutesting.com/common-faults/mercedes/mercedes-a-class-w169-cvt-gearbox-problems/

>https://www.actronics.co.uk/acinsights/mercedes-benz-temic-vgs-722-8

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