2007 Suzuki Forneza, engine light stays on, tranny starts out in Drive, does not shift. Indicator on dash switchs from a 'D' to a box with a slash in it. Just started to stop shifting, engine light has been on for about a week now.
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Start by ensuring the tranny fluid level is correct. Is the check engine light on? If so have any codes scanned that may be related to the transmission to point you in the right direction. You can also try disconnecting/reconnecting the battery to see if it will reset the transmission control module and correct your issue.
that is a hum dinger, largest ever posted, in one shot.
one word , the transmission slips. (never drive a slipping tranny)
overheat indicator.! that is key.
many newer cars will change the transmission shifting any time
the engine over heats.
and overheat wins over transmission , every time.
if the engine burns up, what good is any transmission.? nada.
solve overheat first.
slip or flare.
is when the engine RPM rises fast and the car dont go faster.
and slipping burns up trannyclutchs and increases the damage. inside the transmission, dont do that. dont allow it,
park it and fix it.
on some tranny there is a temperature sensor that the TCM
watches and changes shift patterns based on AFT fluid temps.
and if the ATF fluid gets too hot , it takes actions. to keep the tranny from harm.
why not get a scan too and see what DTC errors there are..
DTC, engine overheate.
DTC< tranny overheat (caused by above)
Any transmission trouble code will put the trans in second gear and it won\'t shift. Key on-off-on-off-on without starting the engine will illuminate the check engine light .It will flash out the codes.Should see a 55 code ,5 flashes,a pause then 5 more. Any codes other than 12 and 55 need recorded for further diagnnosis. I was thinking that turning the key on and opening the throttle wide open 4 times within 5 seconds (engine off)clears tranny codes,not sure about that tho. You might try it then drive it and see if it shifts,although as soon as the malfunction happens again it will go back into limp mode. Tranny slipping or a slow shift or converter lock up malfunction along with many other things will trigger this.
You have two temperature lights that come on when you start the car, one red and one blue. After the car is started the red light goes out and the blue one stays on. According to the manual, (and from my personal experience with my '03 SX), the car needs to warm up to a proper operational temperature. This temperature is reached once the blue temperature light turns off, (or within seconds afterwards). If you don't allow your car to warm up you will notice hard or long shifting, rough idle, and poor engine performance. Never drive your car if the light displays a constant red temperature light. If this solution does not work see a Transmission expert of take it to your local Suzuki Dealer.