Transmission sensors Y3/9b4 and Y3/9b5 for Mercedes 722.8 gearbox control units ECU

Mercedes A-Class (W169) and B-Class (W245) with 722.8 CVT Transmission

A150, A160, A170, A180, A200

B150, B170, B180, B200

Mercedes Part Numbers: 

A 1695451032, A 1695451062, A 0034462410, A 1693700406, A 1693700506, A 1693700606,

A 1693700706, A 1693700806, A 1693701006, A 1693701106

Common fault codes are:

P 0722 - The rpm signal from component Y3 / 9b5 (CVT (continuously variable automatic transmission) output rpm sensor) 

is not available.

P 0730 - The gear ratio in continuously variable automatic transmission (CVT) 

is not permissible.

P 0793 - The rpm signal from component Y3 / 9b4 (CVT (continuously variable automatic transmission) secondary rpm sensor) 

is not available.

P 0896 - the continuous variable automatic transmission (CVT) adjust the gear ratio to an impermissible slow speed