Question about 2000 Dodge Durango

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I have a 2000 dodge durango with auto trans and 5.9 l engine. A trouble code of P0720 speed sensor malfunction came up but I do not experence any of the problems described in the posts. My speedomoter still works fine and my abs brakes seem to work fine. I have reset the code but it keeps coming back. Before I spend money to replace the unit, I'm told there are three I would like some expert advice. Thank you in advance, Chris.

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  • Dodge Master
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Code p 0720 refers to output shaft (OSS) sensor--circuit malfunction=== causes--wiring-- OSS sensor--ECM/TCM
check wiring and connections to the transmission for corrosion /water etc
have the OSS sensor tested by an accredited auto transmission shop--replace if faulty
if ok have the TCM ( transmission control module )tested

Posted on Jul 09, 2017

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Posted on Jan 02, 2017

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SOURCE: how to reset security system on 2001 dodge durango

Try using key in doors to unlock them.

Posted on Jun 02, 2009

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SOURCE: Dodge Durango 1998 5.2L Output Speed Sensor code P0720 Location

Its in different locations depending on if its 2wd or 4wd. For 2wd its in front of the drice shaft or for 4wd its in the tranfer case, just look for a white shape like box with wires plugged into it and you need a socket to remove it, iam not sure how much it is to replace as the cost varies at different shops.

Posted on Jun 19, 2009

  • 1 Answer

SOURCE: 2003 dodge neon PO700 (tcm)

You dont have to pull the tranny to fix this. Some so called "experts" on here shouldnt be giving advice if they dont know. The solenoid pack is located in the front the transmission just below the air filter and in front of the input speed sensor you just replaced. Unbolt the connector with a 10mm socket then the bolts connecting to the tranny. Replace with a new one 140 bux or close(get a new one). Installation is vice versa. Easy fix for any person who is mechanically inclined. Always get a second or third opinion when asking a thousand dollar question on any website. Some people think they know....but they dont.

Posted on Oct 17, 2010

  • 29 Answers

SOURCE: 2001 Dodge Grand Caravan 3.3 Motor 4 Speed

Replace the transaxle or see if it can be rebuilt. Those transaxles have incorporated electronic solenoids that can fail causing the codes to appear as you described. One thing you might check prior to getting it rebuilt or replaced is have the computer checked and check all of your wiring connections. Anytime you have a wiring connector on the exterior of the vehicle you can get corrosion issues it may be simply cleaning the connectors, placing dielectric grease on them and reattaching. Before cleaning any connectors always disconnect the negative battery terminal.

Posted on Jan 14, 2011

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I have a 1998 dodge caravan 3.3L fault codes p0500 p0700 p0720 p0715, how do I repair and replace sensors to pass smog test


Follow the links for each fault code.
http://www.obd-codes.com/p0500
P0700 Transmission Control System Malfunction
P0720 Output Speed Sensor Circuit Malfunction
P0715 sets when there is an error in the transmission's input speed sensor signal. On the front of the trans there is an input and output speed sensor that the trans controller looks at for shifting control.

While the code could have set because of a wiring or connection problem, it's almost surely the sensor. Input speed sensor failures are not uncommon.

The input speed sensor is mounted right on the front of the trans directly under where the cooler lines attach. It threads directly in and has a 1" hex for a socket for removal. If the wiring and connection look visibly ok then I would recommend replacing the sensor

Jul 06, 2016 | Dodge Cars & Trucks

2 Answers

What are the probable causes of DTC P0720?


According to the database the code means OUTPUT SPEED SENSOR CIRCUT MALFUNCTION.

Dec 12, 2015 | Cars & Trucks

1 Answer

How many sensors o2 dodge neon have


P0732 Gear 2 Incorrect Ratio
P0720 Output Speed Sensor CKT Malfunction
P0736 Reverse Incorrect Ratio
P0500 Vehicle Speed Sensor Malfunction
P0700 Trans Crt l System Malfunction
P0731 Gear I Incorrect Ratio

Feb 09, 2012 | 2002 Dodge Neon

1 Answer

Check engine light with following codes p 1529 p0720 p0715


P1529 indicates that your TCM asked the ECM to turn on the check engine lamp.

The range switch and the output speed sensors are the items that are abnormally affecting the operation of the transmission. The diagnostic logic in your computer can distinguish these issues from one another, so you'll definitely want to do both. You have no diagnostic code for the input speed sensor (P0715) listed, so I have made no recommendation to replace it. In my opinion, it's not a labor-intensive repair, so I wouldn't recommend replacing it unless you have reason to believe it's bad.

DTC - P0720 (OUTPUT SHAFT SPEED SENSOR SYSTEM)
Code No. P0720 Output shaft speed sensor system
If the output from the output shaft speed sensor is continuously 50% lower than the vehicle speed for 1 second or more while driving in 3rd or 4th gear at a speed of 30 km/h or more, it is judged to be an open circuit or short-circuit in the output shaft speed sensor and diagnostic trouble code No. P0720 is output. If diagnostic trouble code No. P0720 is output four times, the transmission is locked into 3rd gear or 2rid gear as a fail-safe measure.
Probable cause
Malfunction of the output shaft speed sensor
Malfunction of the transfer drive gear or driven gear
Malfunction of connector
Malfunction of the TCM

DTC - P0715 (INPUT SHAFT SPEED SENSOR SYSTEM)
Code No. P0715 input shaft speed sensor system
If no output pulse is detected from the input shaft speed sensor for 1 second or more while driving in 3rd or 4th gear at a speed of 30 km/h (19 mph) or more, it is judged to be an open circuit or short-circuit in the input shaft speed sensor and diagnostic trouble code No. P0715 is output. If diagnostic trouble code P0715 is output four times, the transaxle is locked into 3rd gear or 2nd gear as a fail-safe measure.
Probable cause
Malfunction of the input shaft speed sensor
Malfunction of the underdrive clutch retainer
Malfunction of connector
Malfunction of the TCM

Is needed replace.

Nov 04, 2009 | 2001 Hyundai Elantra

1 Answer

Having the same problem the other guy described.


First of all, these codes are what are called "Powertrain Trouble Codes' (that's what the "P" means P=Powertrain). TCM Request (Transmission Control Module = TCM). The request was to turn on the 'Check Engine" light.
P0720 - output speed sensor circuit malfunction
P0715 - Input speed sensor (turbin speed) circuit malfunction
P0442 - Evaporative Emission System Leak (Small Leak)
P0455 - Evaporative Emission System Leak (Large Leak)
Check fuel filler cap problems - for Evap Emiss leaks
Replace the pulse generators & have the trans fluid replaced/flushed.
The Main Catalyst System Efficiency Bank 1 Is P0420, not P0442
If you had P0420 code, the catalytic converter is shot... and that's an expensive component.

Oct 06, 2009 | 2001 Hyundai Elantra

1 Answer

Need to know where is Low Output SPEED Sens RPM, Above 15 MPH located in 1998 dodge durango 5.9cc 4x4. dtc code p0720


as far as i know there is only one speed sensor and it is located on top of the rear differential should have one bolt holding it in. i believe that code says the speed sensor has a low output.

Aug 26, 2009 | 1998 Dodge Durango

1 Answer

Dodge Durango 1998 5.2L Output Speed Sensor code P0720 Location


Its in different locations depending on if its 2wd or 4wd. For 2wd its in front of the drice shaft or for 4wd its in the tranfer case, just look for a white shape like box with wires plugged into it and you need a socket to remove it, iam not sure how much it is to replace as the cost varies at different shops.

Jun 19, 2009 | 2000 Dodge Durango

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