Question about Toyota Corolla

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I got a check engine light and the code was P0471. A mechanic told me it was the solenoid inside the transmission and in order to fix that I have to rebuild the transmission and it was gonna cost about $1,100.00. A few people told me that was a ripoff! The car is running fine but I noticed that it trembles but very little...What can I do?

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That has nothing to do with the transmission. That is an emissions control sensor. It could be a dirty or faulty sensor, restricted (dirty) supply tube, or a faulty PCM.

Posted on Jul 27, 2008

  • Tyler Nov 25, 2008

    Did you have the control sensor and or PCM checked?

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Had starter replaced yesterday now tcs and check engine lights on and the d is flashing hooked up code reader and got code p0798 whats that how do i fix.not having this problem till fixed starter


- Low transmission fluid level
- Dirty transmission fluid
- Faulty pressure control solenoid valve 'C'
- Pressure control solenoid valve 'C' harness is open or shorted
- Pressure control solenoid valve 'C' circuit poor electrcial connection

Read more: http://engine-codes.com/p0798_honda.html#ixzz3YiQY8JvC

The Engine Control Module (ECM) uses signals from the vehicle speed sensor to detect the actual gear position (1st, 2nd, 3rd, 4th or 5th gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical troubles of the shift solenoid valves and valve body.

Read more: http://engine-codes.com/p0798_honda.html#ixzz3YiQOwwGc

Apr 29, 2015 | 2004 Honda Odyssey

2 Answers

Yes I have a 2000 Saturn sl2 and they told me at advance auto with hooking this thing up to there computer that a code came up for transmission showing the solenoid A is bad this car has 5 solenoids d


comment on the code number that was showing as each code refers to a specific solenoid. Also what the symptoms were that required to have the codes read.

Dec 11, 2014 | 2000 Saturn SL2

1 Answer

2003 kia sorento check engine light no symptoms


Scannign the PCM in order to know exactly what is the fault code that cause turn on "check engine light"; just with this fault code could send other details; ask your dealer about this.

Hope helps.

Feb 20, 2013 | 2003 Kia Sorento

1 Answer

P0471 code


You can have your transaxle rebuilt for $2000.00 or less
no need to be at a dealer

Oct 12, 2012 | 2007 Toyota Corolla

2 Answers

The check engine light of my 2005 corolla le car was on a week ago. After a check, it is P0741error. I brought it to toyota dealer and they told me to spent $800 to replace the solenoid and the fliud. But...


Hi there,

Thanks for the detailed question.

Code P0741 relates to "Torque Converter Clutch Solenoid Performance".

The good news is that this code has told you where to look for the problem - the SOLENOID has detected an electrical issue inside the transmission.

There can be a few causes for this code to trigger - Low transmission fluid; Contaminated Fluid; Faulty torque converter clutch solenoid; bad wiring harness or connectors (inside the transmission); or as a worst case, an internal mechanical problem.

So, the first place to start is to study the fluid - Trans Fluild is the lifeblood of the transmission. Low, high or bad fluid can cause havoc on a transmission, so check this first.

The downside is, if the fluid is ok, then the mechanic will need to open up the transmission to test the Torque Converter Solenoid and associated components. This is where the cost comes into it.....most of the cost of repairing transmissions comes from the labour hours required to remove a transmission and get at the components. Removing a transmission from a vehicle for further inspection, can take around 3-5hrs + inspection time.

However, many transmission designs do allow access to the electrical solenoids, without actually removing the trans from the vehicle. If this is possible with your corolla, then labour should only be around 1-2hrs to complete diagnostics and verify the fault/s.

I would advise against a replacement transmission, as in many cases this is unneccessary.

Instead, try the diagnostic approach first (as listed above) - I suspect it will be an electrical problem, bad wiring or a faulty solenoid. You can then make a judement call on whether to have it repaired, or replaced - your call.

Good luck...


"If this has helped you in any way, please rate this solution"

May 07, 2011 | Toyota Corolla Cars & Trucks

2 Answers

P0471 and p2002 codes, Audi A6 2.0 DPF S-Line Auto


The DPF is designed to be self-cleaning to a certain extent if the engine is run for a good length of time the deposits should burn off. I would kick up a fuss with Audi about the warranty, ask them to show its exclusion. Unless the DPF has become physically damaged by something you have done then they need to have it fixed as it is a result of the deficiency in their design. This is not like some damaged tyre, open to abuse by the driver, the DPF is integral to the vehicle operation and through no commission on your part it is not functioning as it should.

Jul 27, 2010 | 2008 Audi A6

1 Answer

Truck (2001 Dodge Ram 1500) runs fine. Check


I found that the code is set for:

P1740....TCC Solenoid or Overdrive Solenoid performance

which indicates that a rather inexpensive fix is in order, not a complete transmission replacement!! The TCC is the solenoid which controls the locking of the transmission converter so that you get better gas mileage with no "slippage" while at highway speeds, which is normal when the converter is unlocked as you slow down. If it is locked and the solenoid fails to release it the car will stall when you come to a stop since the fluid in the converter fails to act as a clutch and the engine is connected directly to the transmission input shaft. If it never locks then the oil in the transmission will overheat at highway speeds since ther "slippage" will always be present in the converter cauasing frictional heating of the oil.

Whenever you get a quote from a shop ALWAYS get at least two more!!! No matter what the job is, even a muffler replacement get many quotes. Go to a reliable transmission repair shop and ask for their opinion. In my humble opinion the shop that told you that you need a new transmission is just hungry for work - stay away!!!!

Bob

Apr 21, 2010 | 2001 Dodge Ram 1500 Truck 2WD

2 Answers

P1740 code on 46re transmission


I would think it is neither,
Your problem is the torque convertor clutch solenoid is not working,You need to have a shop check and replace the solenoid in the valve body of the transmission.

Jan 13, 2010 | 2000 Dodge Durango

1 Answer

TRANSMISSION..KEEPS SLIPPING OUT OF GEAR ..AUTOMATIC


The automatic transaxels in Hyundai Vehicles are electronically controlled by the transaxel range switch and the various solenoids inside the trans. The only 'mechanical' control is the shifter cable connected between the shifter inside the vehicle & its connection to the trans range switch on top of the transmission. Did the 'Check Engine' Light come ON? Whenever the 'CHECK ENGINE' (Service Engine Soon) light comes on, the ECU (Engine Control Unit) sets a Diagnostic Trouble Code (DTC). These codes identify the particular powertrain management system which caused the light to come on. You'll need to use/find an OBDII (On-Board Diagnostic) Scanner to retrieve any code which have been stored in the ECU computer. Afterward, we might be able to help you DIAGNOSE the problem and perhaps eventually fix the problem.

Oct 09, 2009 | 2001 Hyundai Accent

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