Question about 2001 Toyota 4Runner - SR5, without running boards - Fender Flares - Extend-a-Fender

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How to fix transmission solenoid A electrical

I have replaced the solenoid SL but now it reads is an electrical problem

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Hi, If the code wasn't there before you fitted the solenoid and you replaced it for a different reason there are a few possibilities. 1 is that you used a second hand solenoid and its duff. 2 most probable you have disturbed something or not made a good connection when you replaced it.

If you have a multi meter and know how to test resistance check the resistance across the solenoid terminals with it disconnected, Then test the other (same type) solenoids the same way - they should all read the same within a few ohms, That should show up a faulty solenoid. Then when you put it back together just be very thorough and make sure all the connections are perfectly clean and nice and tight as you rebuild. If you can test each connection with a multi meter back through the solenoid as you go it will show up any poor connections. Good luck. Jon

Posted on Dec 16, 2014

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Clio auto gear selector the A keeps turning off


possible causes
- low transmission fluid level
- dirty transmission fluid
- faulty line pressure solenoid valve
- line pressure solenoid valve harness is open or shorted
- line pressure solenoid valve circuit poor electrical connection

when the a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. if the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

read more: http://engine-codes.com/p0746.html#ixzz3ptojq4bp

Jan 21, 2015 | Cars & Trucks

1 Answer

Is the p0758 code and internal transmission problem?


It could be a bad solenoid, the wiring harness in the transmission or the wiring from the transmission to the ECM. Most likely the 2/3 shift solenoid is bad. Replace the EPC solenoid while in there. This is a 3 hour job on a lift. add 1 and 1/2 hours on the ground. Add the rest of the day if you haven't done it before. You have to remove the side case on the transmission to access the valve body. The solenoids are held in by clips. Don't loose the clips. You have to drop the frame to get the transmission low enough to remove the side case.

Aug 02, 2014 | 2003 Oldsmobile Alero

1 Answer

The car dose not move, it move very slugish


check all fuses first !
1st fire your tech. he/she is a failure.
the cars failure is catastophic and constant.
they should hang up their compression gauge.

CAN I assume you reset all codes and they come back.
(pulling sensors ,etc. running will cause many errors)
so reset it and see real DTCs , not false.
(on scan tool press reset, then drive ...errr attempt to drive)

141 is a dead o2 heater, probably been like that for a year ignored.
p0325 means noise. excessive, or is knock.
a lean hot engine advanced too far can knock. (ping/detonation)
my guess its from misfiring cause by below. 340.

340s are catastopic, and is a bad cam sensor.
500 means the car was moving but the speed (MPH) was not showing speed. (another sensor bad, but not near as important like 340.)

P07xx is tranmission errors. A/T only.

the one thing you forgot is this, it takes 3 things to move (beside bracks not locked up (ice frozen)
1: the engine must start and run, does it?
2:the engine must make full power, (tranny stall test proves that) ask
3: the transmission must not slip. (fails stall test above)
if the engine rpm will not rise in drive or 1st gear, that means,
the engine power is lacking, (340s fill do that)
if the RPM in gear, rises real fast (&high) and you dont move that means
the transmission is bad and is SLIPPING ((a system, not a part)

it's that simple. the key is RPM.
if your mech, can't notice that the engine is dead, (or totally weak)
he needs to get a new job. sorry,
if even hand pushed a car to make sure it can move
or spin all tires, off the ground, if #2 fails above.
eg hand brake stuck on or???? can must be free to move. so......

id work 340s, like bird dog, my guess.
is if real, (did you reset the ECU with a scan tool and 340s come back?
Camshaft Position Sensor "A" Circuit

A: on this engine , i'd do a full compression test WOT, to make sure
the cam /chain, (no engine stated) has not slipped.
wot = wide open throttle.
if i get 150 psi or more, on all cylinders. that is good.
I do that so the i know the cam i spinning right, and that it is still timed RIGHT, then if you get 340s the cam sensor is bad.
i think that is it. replace cam sensor
and the bad 02,

then move on to the transmission issues.
on the trans, key off unplug the main side connector , electrical
clean it with electrical spray and put it back.

fix 340s first, for full engine power
then fix transmission to get power to wheels.
there are 50 reason so lose engine power.
and the transmission is more.

to fix 773,
read the fsm on that topic, it shows all test to be done.
or at all data.com./
fsm quotes
Engine started, engine running during normal driving conditions, and the PCM detected the Shift Lockup (SL) control circuit voltage was "high" with the solenoid "on", or the SL control circuit voltage was "low" with the SL commanded "off" during the CCM Rationality test.
Possible Causes:
  • * SL control circuit is open or shorted to ground
  • * SL control circuit is shorted to system power (B+)
  • * SL is damaged or has failed (an electrical fault)
  • * PCM has failed (very very rare)

in geek this means, the PCM cant see the solenoid action or is shorted.
my guess is bad connections to this solenoid or the solenoid is bad.

Mar 06, 2014 | 1997 Toyota Camry

1 Answer

It also has code po743 and po755


P0743 - Torque Converter Clutch Circuit Electrical
Possible causes- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid
Tech notes This is an electrical problem code. Could be a problem to the harness to the TCC solenoid, the TCC solenoid connector or the TCC solenoid it self.
P0755 - Shift Solenoid B Malfunction
Possible causes- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid B valve
- Shift solenoid B valve harness or connectors
- Shift solenoid B valve circuit is open or shorted Tech notes When the a transmission solenoid is malfunction, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

Read more: http://engine-codes.com/p0755.html#ixzz27PjeNdA5

Sep 24, 2012 | 2000 Jaguar S-Type

2 Answers

My check engine on and code p0741 is coming up and dealer says i need a whole new transmission.


DTC P0741 TORQUE CONVERTER CLUTCH SOLENOID PERFORMANCE (SHIFT SOLENOID VALVE SL)

There are several possible causes for this code. Yes, it COULD be that there is damage inside the transmission that will require transmission removal and overhaul. However, I have fixed this code a number of times by simply replacing the shift SL solenoid which is mounted externally on the transmission housing.

I would recommend taking your car to a shop that specializes in transmission repair and get a second opinion.

Sep 16, 2011 | 2006 Toyota Corolla

1 Answer

I have a 2001 Saturn SL. The check engine light keeps coming on. It stalls when trying to take off. So far, I have replaced EGR valve, Temp sensor, spark plugs, oxygen sensor, fresh air EGR valve flow. It...


That fuse powers shift soledoid 2 and the TCC solenoid. One of those 2 solenoids is probably shorted. The transmission will have to be repaired.

Jul 17, 2017 | 2001 Saturn SL

2 Answers

I have code PO744


likely causes-
Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid
Tech notes When the a transmission solenoid is working intermittent, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

Jan 11, 2011 | 2000 Kia Sephia

1 Answer

I have a 95 saturn SC1 automatic and it is shifting hard in all gears. I was told to check 2 things. I was to check the pressure line fuse under the hood. Cannot locate. Please tell me what fuse I am to...


The fuse is most likely not your problem, remove the electrical connector on the top of the transmission and observe if there is any burnt terminals which would require the electrical plug be replaced, if that appears to be fine get a OHM meter and ohm out the 5 shift solenoids, they all should be within the same range of 4.5 cold to 6.0 ohms hot if one of them is considerably off you will have to remove the upper transmission pan and take apart the valve body to replaced the burned out solenoid, most likely if a solenoid is bad its going to be the LINE PRESSURE solenoid because that one is used the most to maintain proper transmission line pressure control, and with your transmisison shifting hard in ALL gears that sounds to me like a bad line pressure solenoid, however use an ohm meter to verify.

Oct 31, 2010 | 1995 Saturn Sl

2 Answers

1995 SL Saturn, If the alternator is bad and drains the battery, will this cause an automatic transmission to slip out of gear when it's ideling (and having shifting problems)?


Yes,cause of the amps not being there it can do a lot of things,but again,it s a chance it has nothing to do with it too.

Jun 13, 2010 | 1995 Saturn Sl

1 Answer

When shifting into reverse or drive it take about 2 or 3 seconds to respond.now I only have low gear...no reverse or drive


You have solenoids in the valve body on top of the transmission that are failing. The best way to fix this is to either replace the entire valve body, which is very expensive, or just replaced the solenoids. There are five solenoids and a buss plate. The buss plate connects the external wires to the tops of the solenoids in the transmission. Replace all five solenoids and the buss plate and you should be good to go. Access to the valve body is pretty simple. Remove the battery and the battery tray and you will see the top transmission pan. Remove the electrical connector and all the bolts from the pan and then remove the pan. What you will see next under the pan is the valve body assembly. The solenoids are located inside the valve body. Remove the valve body top cover and you will see the solenoids. They pretty much just sit in there. I have replaced many of these solenoids for the same concern. On ocassion however there is some internal damage to the transmission. Out of the more than 50 of these I have done, I have had probably 2 that ended up needing the entire transmission.

May 19, 2010 | 1998 Saturn SL

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