DTC Detection Logic

DTC	Trouble diagnosis name	DTC is detected if...	Possible cause
P1815	Manual Mode Switch Circuit	TCM monitors manual mode, non manual mode, up or down switch signal, and detects as irregular when impossible input pattern occurs 2 second or more.	Harness or connectors (These switches circuit is open or shorted.) Manual mode select switch (Into A/T shift selector) Manual mode position select switch (Into A/T shift selector)