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Transmission ECU PROBABLY

Where can i get another ECU #ECU/ECT 89530-60140

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  • john bronson
    john bronson Apr 01, 2014

    Anybody, pls. let me know ASAP. I'm really in need of one.

  • john bronson
    john bronson Apr 01, 2014

    Desperately in need of one.



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Where is temperature sending unit on my 2001 suzuki swift please not got a clue

why not state the symptoms first
engine gauge temp
ECU water temp ECT
A.C cut out temp.
transmission overheat.
we have no clue either lacking clear symptoms first.

Sep 28, 2015 | Suzuki Cars & Trucks

1 Answer

Coolant sensor bad

no it does not.
not ever.
it may run a test on the ECT and tell you it reads wrong, sure.
but that ONLY means the test failed, a technician
then tests it by hand , then the wires.
no ecu can tell you what part on any car is bad, ever.
it ONLY a test.

what does ECT read , in ohms cold 3000 or more? what?
then ECT read hot, 300?
if the ECT reads per the FSM chart then its good.
so the wires are bad.
i'ts that simple..
rare but possible is intermittent ECT the cause.

The PCM checks the ECT 3 ways.
1: open
2: shorted.
3: too slow to rise. (bad engine coolant thermostat , and others) ask

so in case 3 , the ECU is not saying the ECT is bad. it dont know.
it only sees it reads wrong, and never ever knows the why.

Mar 19, 2014 | 1996 Jeep Grand Cherokee

1 Answer

2002 odyssey will not shift and will only go 25mph. Flashing codes p0118, p0740, p0730, p1740

p07xx codes are transmission failures, the FSM covers that
the A/T tranny is complex.
when a DTC sets, that means , TO DO MORE TEST to find the Cause. the ECU can not guess, what is wrong,.ever.
it can only report tests that fail, called, "monitors" OBD2 jargon.
see the great review here (he knows his fact !)
see the 10 tests above link. (fsm tests, they are)
mindless tests. no tech needs this. its just a 2 wire sensor.
if fact a thermistor. NTC type. that is all we need and the trip points.

lets review them all, (really, get the FSM and read it) or
0118, ECT reads wrong. engine coolant temp sensor .
with all sensors, its means:
P0118 ECT Circuit High Input
this will cause Limphome , so must be fixed first !!! low engine power.
the key word there is HIGH, (too high temp, too high voltage or current) the FSM tells which it is. Voltage, (odd huh? but is true)
on my car this means Open failure, over 10.4vdc is a hard fail.
  • ECT ground wire open
  • ECT hot wire open.
  • ECT bad, inside its going OPEN circuit.
  • its not too hot, as hot is lower voltage !
  • its reading insane too cold, that is, colder than possible.
  • someone disconncected this sensor with key on. so, reset it.
  • Bad ECU, (nah) or wires to ECT , as always, wires can be it.
  • the 10 tests above link. (fsm tests they are)
  • A short frorm system 12v to the ECT hot wire,
make sure dead cold , rad cap off, the rad if FULL of AF? 50%
is it> that means the ECT is under water.
no ECT works right, dry, nor engine. so check the water first.
no EFI system works right with a Crazy ECT, non do.
with cold engine, you off the ECT connector (lock lever !) then
see about 3000 ohms, (see table in FSM)
then put back conn
get engine fully hot.
now off the ECT connector. again.
now reads 300 ohms. (about)
see the ohm change there, 10 for 1.?
300 ohms is about 200 F, see FSM charts for you ambient temp cold.
i never try to guess that. here.
if you connect any scan tool to the OBD2 port you can what
live data from the ECT till the cows come home.
why not do that. see it mess up.
the check the ECT volts key on, and ohms key off.
bingo, the problem is found.

the ECU will not lie to you, it will tell you that is measured.
either a valid temperatures or out of legal range.
in fact the ECU is just a voltmeter, that scales the volts to temperature.
we call this the ECT catastrophic monitor. (out of range)

fix above first.
2 p0740
No other A/T trouble codes set, engine running at cruise speed with VSS inputs received, and the PCM detected the lockup clutch did not engage or disengage correctly.
3 P730
same as above
4: P1740 (factory code, for same as above 740)
i will not attempt to repeat the 200 pages in the FSM on transmission.
you can read it any time. at or buy the FSM.

Feb 25, 2014 | Honda Odyssey Cars & Trucks

2 Answers

Looking for the temperature sensor on my 1999 honda Odyssey because the temp gauge has been stuck on high since I bought it 4 months ago. What else could be the problem?

USA answer, not in usa , ignore my post or post country?
it can only be 3 problems, covers the simple tests.
1: bad sender (if scan tool shows ECT reads right, its not this)
2: bad wires (conns) ECU/pcm to gauge.
3:bad gauge.
factory FSM or

here is your type system, its no longer independent like in older years
The coolant temperature information is conveyed to the instrument panel, through the PCM, from the Engine Coolant Temperature (ECT) gauge sending unit. To test the gauge sending unit, first test the gauge operation to make sure the problem is not in the gauge or gauge wiring.
end quote.

my guess ? bad connection to I/P gauge cluster (rear)
do this only after scanning (any scan tool works) the ECU OBD2 port to see if temperature is normal at the ECT but Guage lies.
that is it. only testing wires an gauge, works from this point.

Oct 16, 2013 | Cars & Trucks

2 Answers

Does anyone know what a transmission code 63 is for 1993 toyota t-100 with an a340e transmission? Thanks

On the a340e transmission that would be a shift solenoid circuit malfunction. You can purchase a "solenoid kit" that comes with two solenoids and mounting bracket, they can be easily replaced by dropping the transmission pan. They are attached with a single bolt (10mm)---Remove the bolt, unplug them from the wiring harness and pop them out of the ports they are seated in. Lightly coat the o-rings of the new solenoids with some ATF and insert them into their ports.
Good luck, i hope this helps.

Jul 24, 2011 | Toyota T100 Cars & Trucks

2 Answers

I won a 2005 Volkswagon Beetle, My check engine light came on on way to work? Should I be driving it. My manual is at home. Thanks very much for assistance

well yes if it is still safe to drive you may continue to drive it but you should get it looked at to see what codes your ecu (cars computer it puttting out ) you can do this for free at autozone they have a free code reading service takes only a few min and they can also print you out a slip telling you whats the reasons are the code is coming up aka check engine light on.

that all being said when the light comes on it means the cars ecu had detected a electronic signal from a sensor that was above or below a preset threshold e.g. you could have faulty o2 sensor it wont normally affect the drivabillity but you will burn more gas as your ecu dont know how to ajust the air and gas mixture therefore resulting in poor gas milage ect but all that being said you most likely just have a sensor that has failed most are easy to replace by yourself

hey hope it helps if so 4 thumbs up would be great have a great day

May 12, 2011 | Volkswagen Beetle Cars & Trucks

1 Answer

My van will not go past 2nd gear. I can drive it

You probably have a check engine lite with your gearing problem. Sounds like the ECU shut down the transmission portion of the vehicle.Usually the ECU gives you third gear and reverse only, when this happens. I recommend having the vehicle serviced by a transmission repair shop.

May 26, 2010 | 2005 Dodge Caravan

1 Answer

What does the ECT button do?

ECT means Electronically Controlled Transmission

The ECU has various shift patterns programmed into it.. When your ECT is on or "power" The ECT ECU will change the shift patterns and lock-up accordingly..

Your upshifts will come later and harder, at a higher speed.. depending on your throttle position..

ECT makes a Huge difference in all car
s where it is present

Aug 16, 2009 | 1998 Toyota 4Runner

1 Answer

New 2008 Hyundai sonata. undder 1300miles since we got his car every time you go 40 mph we hear a large humming sound coming from the passenger side as if the road is rough I we give alittle more gas the...

This behavior is due to the innovation of the ECT-i ( Electronic Controlled Transmission with intelligence). Major car companies are developing this type of transmissions nowadays. And, since they are in their early stages, is still not fine-tuned; ergo still under research. This doesn't mean the transmission will fail either.

The vibration indicates the car is in low revs when engaged in the last gear. Let's say it's a 5 speed auto trans... and the car is going about 35mph at 5th gear... even though the ecu in the car recognizes it should go to 4th gear, the only thing the car ecu can do is reduce the gas input, because the trans got it's own ecu, and it's not controlled by the main ecu anymore. When you
accelerate, increases revs, ergo downshifting to 4th gear and getting rid of the vibration. The powerplant in the vehicle is still OK. No need to worry about.

Aug 21, 2008 | Hyundai Sonata Cars & Trucks

3 Answers

I have a 1989 Toyota Supra GA70, It has an A340E Autoatic Transmission. The problem is sometimes during takeoff it is very sluggish, this only happens sometimes, and other time it takes off normally. ...

EASY! first take down the valve body and remove the soleniods, they may not need replacing, inspect and cean them, it could just be debris! reinstall everything, if the problem still occurs replace just the solenoids

Jul 15, 2008 | 1987 Toyota Supra

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