Reluctant upshift to 3rd while cold (auto trans) - Page 3 - Toyota Yaris Forums

Yaris Hilton · 05-04-2010, 12:22 AM

It's normal. The blue "COOL!" light goes out a bit before the transmission upshifts to high. Someone recently posted the coolant temperatures the ECU looks for, something close to 130°F to turn out the COOL! light, and close to 140° to let the tranny shift normally IIRC. Don't bug the service people, they can't change it for you.

Hershey · 05-04-2010, 01:04 AM

our car , our call .

yarissedan07 · 01-21-2011, 08:07 PM

OK,
My car will not shift into 4th upon a cool start!! It's fine once warmed up but I don't have time to wait around, I'm busy. I have had my car 4 years since it was a baby. Only 2 miles when I bought it. Now I Have 59,000 miles. It just started doing this recently???? They told me this is how the car was designed ,but it just started recently!!! I'm not buying this explanation.

I wouldn't have bought the car if it did this!!!! Anyone else notice this over time??

yarissedan07 · 01-21-2011, 08:09 PM

OK,
My car will not shift into 4th upon a cool start!! It's fine once warmed up but I don't have time to wait around, I'm busy. I have had my car 4 years since it was a baby. Only 2 miles when I bought it. Now I Have 59,000 miles. It just started doing this recently???? They told me this is how the car was designed ,but it just started recently!!! I'm not buying this explanation. I wouldn't have bought the car if it did this!!!! Anyone else notice this over time??

BLH · 01-22-2011, 06:04 AM

My 2007 from the day I purchased it new. Has not or will not go into 4th until the "cool" symbol on the dash goes off. And if real cold still may not until the transmission is warmed up.

01-21-2011, 08:07 PM	#39
yarissedan07 Drives: 2007 Yaris S Sedan Join Date: Jan 2011 Location: Jacksonville,FL Posts: 4	No Shift Into 4th!!! OK, My car will not shift into 4th upon a cool start!! It's fine once warmed up but I don't have time to wait around, I'm busy. I have had my car 4 years since it was a baby. Only 2 miles when I bought it. Now I Have 59,000 miles. It just started doing this recently???? They told me this is how the car was designed ,but it just started recently!!! I'm not buying this explanation. I wouldn't have bought the car if it did this!!!! Anyone else notice this over time??

01-21-2011, 08:09 PM	#40
yarissedan07 Drives: 2007 Yaris S Sedan Join Date: Jan 2011 Location: Jacksonville,FL Posts: 4	My car will not shift into 4th OK, My car will not shift into 4th upon a cool start!! It's fine once warmed up but I don't have time to wait around, I'm busy. I have had my car 4 years since it was a baby. Only 2 miles when I bought it. Now I Have 59,000 miles. It just started doing this recently???? They told me this is how the car was designed ,but it just started recently!!! I'm not buying this explanation. I wouldn't have bought the car if it did this!!!! Anyone else notice this over time??

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Maintenance - Change Auto Trans Fluid	Linkseal	DIY / Maintenance / Service	1	08-15-2006 10:57 PM

05-04-2010, 12:22 AM	#37
Yaris Hilton Half a Bubble Off Plumb Drives: 2009 Yaris Sedan Join Date: Mar 2009 Location: Bristol, Tennessee, USA Posts: 1,593	It's normal. The blue "COOL!" light goes out a bit before the transmission upshifts to high. Someone recently posted the coolant temperatures the ECU looks for, something close to 130°F to turn out the COOL! light, and close to 140° to let the tranny shift normally IIRC. Don't bug the service people, they can't change it for you.

05-04-2010, 01:04 AM	#38
Hershey Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009 Location: northeast Posts: 2,897	our car , our call .

01-22-2011, 06:04 AM	#41
BLH Drives: 2007 Yaris Sedan Join Date: Apr 2009 Location: CT Posts: 271	My 2007 from the day I purchased it new. Has not or will not go into 4th until the "cool" symbol on the dash goes off. And if real cold still may not until the transmission is warmed up.