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P0729 transmission bucks on high speeds usally going uphill.retrived code p0729 gear 6 incorrect ratio error.

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samtoler
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I am a 24 year ford master tech, and over the years we found the harness in the transmission was the cause and not the solonoid as you described, In rare cases the valve body was clogged back forcing the flow, My first bet is the harness INSIDE the transmission

Posted on Jun 09, 2010

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Chrysler 200 2013 62te transmission with 3.6 V6 P0729 code and nothing else. Replaced oil/filter 2X and solenoid pack. All looks good. What is wrong?


code p 0729 refers to gear 6 --incorrect ratio===causes ---fluid level---wiring---TR( transmission ratio) sensor /switch---shift solenoids---transmission mechanical fault
the box is operational so no need for mechanical failure to figure in the diagnosis
if you never use 6th gear, it is possible that the solenoid may be a bit rust inside or a wire has failed from corrosion
at this point I would be checking wiring , connections and pins are not corroded and then consider the TR sensor / switch replacement

Apr 30, 2017 | Chrysler Cars & Trucks

1 Answer

What does PO729 on a 2001 Hyundai sante Fe mean and where is it located at?


Reason For Hyundai Tucson P0729 CodeThe reason of Hyundai Tucson P0729 OBD-II Engine Trouble Code is P0729 Automatic Transmission 6th Gear Incorrect Ratio.
Could be a solenoid issue.

Jan 17, 2016 | Hyundai Cars & Trucks

3 Answers

Dodge caravan


Both error codes you have are transmission related. P0736 is an error for reverse has wrong gear ratio. P0700 is a general transmission problem code
http://www.obd-codes.com/p0700
http://www.obd-codes.com/p0736
for more information.

Mar 22, 2015 | Dodge Caravan Cars & Trucks

1 Answer

I need help asap 2003 Expedition code p0171 and code p0712 i have and idea of the 1st code but whats the secound code i really need help i dont want to take it to a shop where there going to charge me alot...


P0700 Transmission Control System

P0701 Transmission Control System Range/Performance

P0702 Transmission Control System -Electrical

P0703 Torque Converter/Brake Switch B Circuit

P0704 Clutch Pedal Position Switch -Circuit Malfunction

P0705 Transmission Range Sensor/Switch Circuit Malfunction (PRNDL Input)

P0706 Transmission Range Sensor/Switch Circuit Range/Performance

P0707 Transmission Range Sensor/Switch Circuit Low Input

P0708 Transmission Range Sensor/Switch Circuit High Input

P0709 Transmission Range Sensor/Switch Circuit intermittent

P0710 Transmission Fluid Temperature Sensor Circuit

P0711 Transmission Fluid Temperature Sensor Circuit Range/Performance

P0712 Transmission Fluid Temperature Sensor Circuit Low Input

P0713 Transmission Fluid Temperature Sensor Circuit High Input

P0714 Transmission Fluid Temperature Sensor Circuit Intermittent

P0715 Input/Turbine Speed Sensor Circuit

P0716 input/Turbine Speed Sensor Circuit Range/Performance

P0717 Input/Turbine Speed Sensor Circuit No Signal

P0718 Input/Turbine Speed Sensor Circuit Intermittent

P0719 Torque Converter/Brake Switch B Circuit Low

P0720 Output Shaft Speed Sensor Circuit

P0721 Output Shaft Speed Sensor Circuit Range/Performance

P0722 Output Shaft Speed Sensor Circuit No Signal

P0723 Output Shaft Speed Sensor Circuit Intermittent

P0724 Torque Converter/Brake Switch B Circuit High

P0725 Engine RPM Input Circuit

P0726 Engine RPM Input Circuit Range/Performance

P0727 Engine RPM Input Circuit No Signal

P0728 Engine RPM Input Circuit Intermittent

P0729 Gear 6 Incorrect Ratio

P0730 Incorrect Gear Ratio

P0731 Gear 1 Incorrect Ratio

P0732 Gear 2 Incorrect Ratio

P0733 Gear 3 Incorrect Ratio

P0734 Gear 4 Incorrect Ratio

P0735 Gear 5 Incorrect Ratio

P0736 Reverse Incorrect Ratio

P0737 TCM Engine Speed Output Circuit

P0738 TCM Engine Speed Output Circuit Low

P0739 TCM Engine Speed Output Circuit High

P0740 Torque Converter Clutch Solenoid Circuit

P0741 Torque Converter Clutch Solenoid Circuit Performance or Stuck Off

P0742 Torque Converter Clutch Solenoid Circuit Stuck On
P0743 Torque Converter Clutch Solenoid Circuit Electrical
Now i dont know a lot about automatics especially modern ones with all this fancy electronics thats used nowdays but i think its a fault with the temperature sensor for the gearbox.But where its located and what it looks like i have no idea it could even be mounted inside the gearbox .Sorry not a very good answer from a mechanic but?? very few of our europeon cars come with auto transmission .Evan when i do know whats wrong i cannot buy the parts for the gearbox as only re-con boxes supplied by the dealer so best advice is to try a specialist in auto box repairs only .PS some of my best students when i used to teach mechanics many moons ago were the girls so no excuses like iam only a girl please

Apr 22, 2013 | Cars & Trucks

2 Answers

Code po734, po735


This is what your codes mean:

Trouble Code-P0734 (A/T Additional Gear Ratio Error In Fourth Gear)


Trouble Code Conditions:
Vehicle driven to a speed of 4-37 mph at more than 500 rpm, gear selector in 4th Gear in Drive, and the PCM detected too much difference in the engine speed and output shaft speed.

Possible Causes:

  • Customer may complain of intermittent 4th gear operation
  • O/D and 2/4 pressures less than 75 psi
  • O/D or 2/4 clutch volume indexes out of specification
  • O/D accumulator seals are damaged
  • Transmission enters "limp in" mode running in 4th gear

Trouble Code-P0735 (A/T Gear Ratio Error Fourth Prime)

Trouble Code Conditions:
Vehicle driven any forward Gear, and the TCM detected the ratio of the Input speed to the Output Speed did not match the current Gear Ratio (this test can take up to 5 minutes).

Possible Causes:

  • Related Gear Ratio trouble codes may be stored (note that some of these Gear Ratio trouble codes may be intermittent)
  • Transmission has internal problems or damage present
You have a transmission problem.

Jan 17, 2011 | 2003 Dodge Durango

2 Answers

Po720 code and po733 code plus leaking oil


P0720-OUTPUT SPEED SENSOR ERROR

WHEN MONITORED
The transmission gear ratio is monitored continuously while the transmission is in gear.

SET CONDITION
If there is an excessive change in output RPM in any gear. This DTC can take up to five minutes of problem identification before illuminating the M.I.L.

POSSIBLE CAUSES[*]Output speed sensor signal circuit open[*]Speed sensor ground circuit open[*]Output speed sensor signal circuit short to ground[*]Speed sensor ground circuit short to ground[*]Output speed sensor signal circuit short to voltage[*]Speed sensor ground circuit short to voltage[*]Output speed sensor[*Powertrain Control Module (PCM)[*]Intermittent wiring and connectorsi cen get you a full flow chart on how to check it out if you wish

p0733 Gear 3 Incorrect ratio

Jan 03, 2011 | Chrysler Voyager Cars & Trucks

1 Answer

I have a 2001 chrysler concorde. the trouble codes


I RECOMMEND REPLACING THE OUTPUT SPEED SENSOR..ABOUT 40 BUCKS..WILL CAUSE THESE OTHER FAULT CODES AS WELL

Aug 30, 2009 | 2001 Chrysler Concorde

2 Answers

Transmission codes:


I WOULD TRY REPLACING THE INPUT SPEED SENSOR..A DEFECTIVE SPEED SENSOR CAN CAUSE ALL OF THESE FAULTS..IT IS LOCATED IN FRONT OF TRANS ABOVE SOLENOID PACK..IT IS THE ONE CLOSEST TO THE ENGINE..IT SCREWS INTO TO TRANSMISSION..A 1 INCH SOCKET FITS IT..ALSO CHECK WIRING TO BOTH SPEED SENSORS..A SENSOR IS ABOUT 35 BUCKS,AVAILABLE AT YOUR LOCAL DODGE DEALER..GET A NEW ONE AND YOU'LL SEE WHAT IT LOOKS LIKE..FAIRLY COMMON PROBLEM..HAVE REPLACED LOTS OF THEM

Jul 06, 2009 | 1999 Dodge Avenger

1 Answer

Trans problem


Hi, the premium system was just revamped and currently is having a little problem of not letting me post a solution to your premium question but I figured I would post the answer here for now until the problem is resolved. Sorry for the inconvenience and the time it has taken.

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P0731 Incorrect 1st Gear Ratio
P0732 Incorrect 2nd Gear Ratio
P0734 Incorrect 4th Gear Ratio
P0736 Reverse incorrect gear ratio


The codes you have are all gear ratio error codes fordifferent gears. The most likely cause to see all of these codes together wouldbe an input or output speed sensor. If your speedometer does not work, replacethe output. If it does work, I would recommend an input speed sensor. Thiscosts about $25 and is easy to replace. The speed sensors are on the left side of the transmission. You willneed a 1" socket to replace them. Let me know if you have any furtherquestions with this van. We have actually owned a few of these, so prettyknowledgeable with them.

Benjamin

Mar 29, 2009 | 2000 Dodge Stratus

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