DTC P0605-00: Access Error To ROM In TCM

System malfunction location	Access error to ROM in TCM
Detection condition	ROM in the TCM cannot hold data. Precondition Battery voltage is the standard or more.
Fail-safe	Inhibits AAS.
Possible cause	Control valve body malfunction (TCM malfunction) (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION ] in service information).
Repeatability verification procedure	Clear the DTC recorded in the memory. (See CLEARING DTC .) Perform the following procedure to ensure that the DTC has been resolved: Switch the ignition ON (engine off or on).
System wiring diagram	Not applicable