With Code 00638
DTC 00638 / P0702 and 00638 / P1767
1) Pay attention to which hydraulic control the transmission has when selecting measuring value block.
Note: For DTC 00638 / P0702 and 00638 / P1767:
^ This malfunction can only occur for vehicles without CAN bus A)
A) A differentiation is made between vehicle types with and without CAN-bus. Precise definition of which vehicles are equipped with CAN-bus