Component Tests and General Diagnostics

A fault in the vehicle speed sensor (VSS) No.1 or it's circuit should set diagnostic trouble code (DTC) 42. Refer to the "Trouble Code Charts" under Computers and Control Systems for testing procedures.
DTC 42

A fault in the vehicle speed sensor No.2 or it's circuit should set diagnostic trouble code (DTC) 61. Refer to the "Trouble Code Charts" under Transmission Control Systems for testing procedures.
DTC 61