After I picked-up on the 'D' mode, the auto transmission did not move from one gear to another. Then I accelerated the RPM to go over 3000. Then the gear shifted. I went to a mechanic and he used the scanning tool.
The error was detected as "output speed sensor circuit malfunctioning". The error code was P 0720.

Can I have your help to solve the following:
1)What is the part # of this sensor?
2)Can I buy it in Singapore, and if so, what places?