mase929

dealer said 90% bad ECU, 10% shift solenoid. ECU replace at dealer $1860.. got code from auto zone, P0756 shift solenoid S2 blocked oil passage, stuck open. tranny shop took 2 days to confirm shift solenoid, changed out shift solenoid #2 35240, still have problem.. now they say it's ECU, rebuild my ECU $500.. what to do??!!

XxGoKoUxX

Pay the $500 and rebuild ECU. You can maybe check ebay and see if they have ECU's on there. How do they even determine there is a fried ECU?

mase929

he test the ohm on solenoid sad it was good.. just found out ECU is sealed, can't rebuild.. I don't think tranny guy knows. found one on tomsforeign.com for $300 lifetime warranty..

XxGoKoUxX

Awesome, go for it!

mase929

you think so? know anyone that can merry new/used ecu to car? man if this doesn't work, what next? thanks

XxGoKoUxX

$300 is a great price! I'd do it lol.... that's pocket change compared to what you'd pay for a new ECU.

mase929

Lexus of south Atlanta have brand new for $1,100.. remove/install and go? Do I need dealer to marry ECU to car?

XxGoKoUxX

I don't know what you mean by marry the ecu to the car.... If it's the same model, it should be PnP

ibidu1

iTrader: (1)

Im not sure if the vehicle ecu controls the transmission or if there is a separate ecu for that. If the main ecu, most likely you will need to take it to the dealer to reprogram as I am sure theres alarm and key coding and many other vehicle specifics are needed for your car to fire up.

Try mounting the used ecu and see if it start or not, if not leave the old one until you arrive at the dealership this way you will not have to tow your car

mase929

Sent out ECU for repair per tranny guy, ECU repair guy says perfectly fine, up to manufacture's specs.. Now the tranny guy say it's possible that it's the harness to solenoid. But before he said that the ohm's and voltage is fine from ECU to solenoid.. I'm fed up

hawaz123

Hello i was reading your story here and i have the same code comes up ones in a while but main problem is downshifting when coming to stop 2nd and 1st have jerking. Just wanted to know what did you do to fix your car i would appreciate your answer thank you

mase929

Hey!! Well, long story short.... It's the MAIN ECU.. nothing else... Don't let them con you into replacing trans.. I went through that.. But make sure it's done at dealer where you get lifetime warranty..

ta1972

iTrader: (1)

I went thru the same thing!

hawaz123

Hello i am haveing the same issue on my gs300 i was woundring if you got your ecu repaired because you mentioned repair will cost $500 if you did where?

kpxshorty

send out to trans shop~