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Location shift solenoid

I've got a 2002 toyota 4 runner I need to know where exactly in the transmission solenoid B is, it has a 755 code come up

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  • Toyota Master
  • 20,706 Answers

Inside the transmission
it is an electromagnetic to hydraulic valve. so needs to be
in the valve body to do the shifts,
all this and more is in the FSM, (shows the tests too)
and at alldata.com

Posted on Feb 12, 2014

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Posted on Jan 02, 2017

  • 321 Answers

SOURCE: shift solenoid relay.. internal or external?

Trans model is the 4L60E,and the shift solenoids are mounted on the valve body,just inside the bottom pan.There are 2 shift solenoids,one EPC solenoid (Electronic Pressure Control)One TCC PWM solenoid (Torque Convertor Clutch,Pulse Width Modulated),one 3-2 kickdown solenoid,and a manifold pressure switch.As far as a shift solenoid relay switch,i have never heard of that.The power for the transmission solenoids comes through the ignition switch ,and uses a fuse,not a relay.Accessing the solenoids only requires dropping the bottom pan,and the valve body does not have to be removed,to change the solenoids.The shift solenoids are the TWO solenoids right side by side and look identical..They are the only two solenoids inside the pan that are in fact identical.Good luck.

Posted on Sep 28, 2008

  • 3 Answers

SOURCE: 2000 Dodge Sratus 4 speed auto transmission

Dave, The P0700 code is a generic fault code indicating the the TCM (transmission control module) has recognized a problem and the P0755 is the indicated problem. I'd recommend you check your transmission external electrical connector for water intrusion and corrosion at the terminals by disconnecting the connector. If nothing appears wrong, I'd then recommend you drop the lower transmission pan and take a look at the residue deposit that is laying on the bottom of the pan. You should only see a relativily minor amount of grayish, black clutch material residing there. Pay particular attention for a gross amount of this or any large particular material, including any metal, either filings or chunks, or any brass or aluminum. If this checks out to be fairly clean, then I'd recommend you replace that "B" solenoid (2-3 shift solenoid) and have the trans. pan and filter replaced.; I'd also highly recommend you have the trans flushed for anyother particular matter that may reside internally inside the transmission. You'll have to have the codes cleared and the transmission relearned for shift feel, at that point.

Posted on Jan 08, 2009

  • 20 Answers

SOURCE: 2002 Kia Sedona XL suddenly downshifts

Start here:
www.kiatechinfo.com

Free registration, wealth of information.

For the record: if the sensors they're referring to are the input or output shaft speed sensors, they are very easy to find...just remove the air intake box (where the air filter is) and they're right there on top of the transmission. Input sensor is the one closer to the front of the vehicle, output towards the rear.

Posted on Aug 08, 2009

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1 Answer

How do I fix my 2002 Toyota camry with engine light comes on and cuts power code p0768


The code means a problem has occurred in the transmission valve body shift solenoid pack. It will take a well trained transmission repair technician to figure exactly what need to be replaced.

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1 Answer

How to fixcode755 solenoid B


755 (why drop the prefix?????) makes his 10x harder.

the FSM covers this , buy one or look online at alldata.com

P0755

the P0 COUNTS ! p means power-train, the 0 means federal std. code.



lets to TCM 101:

the TCM shifts this tranny,.

the TCM sends 12vdc to the solenoid to do SHIFTS.

the TCM checks the voltage at time of this command.

the voltage reads wrong, the TCM is not HAL2000, its just brick stupid

it only knows the test it did fail, and NEVER why

enter the technician and his FSM book and the steps to find it





the TCM can see solenoid faults 2 ways (at least)

voltage read back at the solenoid (the fsm is clear on this ,read it)



or RPM drop fail. VSS fails to drop or rise pre shift command.

each time the TCM shifts this tranny it looks at the TAIL RPM

and if wrong sets codes.

the FSM actual explains this. best.



now see actual FSM

Actual gear ratio and the Required gear ratio did not match during the CCM Rationality test.

see , unlike my first link (bad net bs)

the TCM does RATIONALITY tests.

that means it shifts and then looks at tail shaft RPM (VSS)

and sees rpm wrong. (tables of valid rpm in TCM)

at an up shift the RPM drop is checked. carefully. by the TCM.



and possible list. quite different.



  • * A/T component problems (i.e., in clutch, brake or gears)


  • * SSB is damaged, stuck "open" or stuck "closed"


  • * Transmission valve body is clogged, dirty or stuck




in barstool lingo.

tranny slips in any gear. related to B solenoid.

by valve body, that includes the actual valve B sticking or dirty or clogged.



make sure the transmission ground strap is no missing or bad.

this IS MY FIRST CHECK on all A/T cars...

the transmission must be 100% perfectly grounded at all times.

or it WILL fail. (TCM fails()

Feb 11, 2014 | Toyota Cars & Trucks

1 Answer

Jeep Liberty


Well code 755 is for a problem with the 2/4 shift solenoid circuit inside the transmission.
Someone would need to check out the solenoid and the wiring if and when the problem is constant.

Jul 08, 2013 | Cars & Trucks

1 Answer

1999 toyota camry 4 cyl. check engine code P0773


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- Shift solenoid E valve harness or connectors
- Shift solenoid E valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid

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1998 toyota ob755 seems to shift ok but keeos calling out 755 cntl v B


- Low transmission fluid level
- Dirty transmission fluid
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- Shift solenoid B valve harness or connectors
- Shift solenoid B valve circuit is open or shorted
these are couple causes to turn on your check engine light

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.

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This code doesn't mean anything is wrong with the shift solenoid, it just means a problem in the circuit or a shaft not sensed. You need the dealer to properly diagnose this problem.

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