Echo OverDrive Issue

[arthursleep]

Originally Posted by CTScott

The most common reason for it not to is the transmission temperature sensor being bad. The ECU uses it and the engine temp sensor to determine when it is OK to allow the tranny to shift into overdrive.

Originally Posted by woops

^yep its probably either the transmission temp or engine temp sensor

Thanks guys, I was going to start with the engine temperature sensor, but might as well do them both to save a trip to toyota.

Is the transmission temperature sensor accessible from the out of the transmission?
Got a pic of it's location?
Cheers