Transmission Control Unit Sensor TCM 722.8 Y3/9b4 Y3/9b5 For Mercedes Benz

 Manufacturer Part Number: Y3/9b4 & Y3/9b5

Y3/9b3 CVT primary rpm sensor

Y3/9b4 CVT secondary rpm sensor

Mercedes 722.8 TCM/TCU Auto Transmission Control Module Sensors For Mercedes Benz W245 W169

722.800,722.801 722.802,WFC-280 CVT Transmission

This Part Fits the Following Vehicles:
Mercedes-Benz A150 , A170 , A200 , B180 , B200

A CLASS  04-11 CVT FWD  L4 1.5L 1.7L 2.0L

B CLASS  05-11 CVT FWD  L4 1.5L 1.7L 2.0L

The following is the code to detect the error:

0657 The voltage supply of the control solenoid valves in the CVT is faulty

0705 Transmission Range Sensor Circuit Malfunction

0706 The signals of the range selector are implausible in comparison to the signals from the electronic selector lever module

0717 The RPM signal from component Y3/9b5 (CVT output rpm sensor) is not available

0720 Speed Gradient nPrimGrd > nPrimGrdMax

0722 The RPM signal from component Y3/9b5 (CVT output rpm sensor) is not available

0723 The RPM signal from component Y3/9b5 (CVT output rpm sensor) is implausible

0730 The gear ratio in the CVT is not permissible

0739 Secondary RPM signal of component Y3/9B5 is not available

0746 An open circuit has occurred in the control loop for componentY3/9y1 (CVT) primary control solenoid valve

0766 An open circuit has occurred in the control loop for componentY3/9y4 (CVT) torque converter lockup clutch control solenoid valve

0776 An open circuit has occurred in the control loop for componentY3/9y2 (CVT) secondary control solenoid valve

0778 a short circuit has occurred in the control loop for component y3/9y2 (CVT) continuously variable automatic transmission secondary control solenoid valve.

0793 Intermediate Shaft Speed Sensor Circuit No Signal

0794 Intermediate Input Shaft Speed Sensor Signal

0796 An open circuit has occurred in the control loop for componentY3/9y3 (CVT) clutch control solenoid valve

0766 An open circuit has occurred in the control loop for componentY3/9y4 (CVT) torque converter lockup clutch control solenoid valve

0842 The output voltage of component pressure sensor is faulty. (Short circuit to ground)

1634 Component Y3/9n1 (CVT) is defective or the voltage supply is faulty (undervoltage)

1744 Torque Converter Clutch System Performance

2722 Impermissible closing of hydraulic brake ‘Reverse gear’ has occurred in the continuously variable automatic transmission (CVT) when selector lever ‘N’ was engaged.

2723 Impermissible opening of hydraulic brake “Reverse gear” has occurred in the CVT

2731 Impermissible closing of hydraulic clutch “forward gear” has occurred in the CVT when selector lever position “N” was engaged

2732 Impermissible opening of hydraulic clutch “forward gear” has occurred in the CVT