Question about 2001 Chrysler 300M

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Code p0720 sometimes car want change out of 2nd gear, speedodometer stops working, and then it'll start working fine

Posted by brenton lucas on

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fiflett2007

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I looked up the code in the Haynes Repair Manual due to having the same car this is what it says for your code-P0720 Low Output SPD sensor RPM, Above 15 MPH. The relationship between the Output Shaft Speed Sensor and vehicle speed is not within acceptable limits.

Posted on Feb 25, 2013

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jandjbtx

  • 32 Answers

SOURCE: car will be running just fine i ll stop to get gas

Sounds like the problem is with the battery, probably bad connections with the cables. Clean the cables and posts. If this does not do it, you probably need a new battery. Other possibilities are bad starter brushes or a bad starter solenoid.

Posted on Apr 22, 2009

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Anonymous

  • 1392 Answers

SOURCE: 94 Lebaron GTC 2nd gear limp in mode

It has an electical problem. You need to take it to the dealership if you want it diagnosed correctly. It will need to be in limp in, and don't turn the car off as this is clearing the code out of the computer. Leave it running, tell the service advisor your situation and not to turn it off till someone can hook the scan tool to it. This will give them the cause of limp in, and should be able to be resolved after.

Posted on May 31, 2009

Robert Debison

  • 412 Answers

SOURCE: car wont upshift out of 2nd gear, sometimes when

it sounds like you have a faulty ignition switch

Posted on Sep 16, 2009

Ted Schore

  • 7353 Answers

SOURCE: I have a 2001 Chrysler 300m... And after a few

its in LIMP MODE because there is a trans problem, have a trans shop check it out. ASAP.

Posted on Aug 25, 2011

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1 Answer

OBD 2 ERROR CODE P0720


Here's a link to your code P0720. P0720 OBD II Trouble Code

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Code P0705 & P0715


Code 705 is for the transmission range selector problem, and code 715 is a problem with the input speed sensor circuit.
You'll need someone to check these two sensors to proceed.

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I have an 98 montero sport ls v6 3.0 auto 4x4. It starts up good and runs great but it won't shift out of 2nd gear! Sometimes it may take a few seconds to kick into 1st gear after I've taken off...


Probably the oil filter is blocked.
Warm it all up with a 30-45 minute drive & then change the oil in the gearbox whilst it's still hot. Make sure you also change or thoroughly clean the gearbox oil filter at the same time.
After that you're looking at the tension bands & the dog-clutches, which are a specialist mechanics job.

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1 Answer

Error code P0720


The P0720 is a transmission code (sorry...I couldn't find a complete code description). Take it to the dealer or a good ****** shop.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Nov 07, 2011 | 2001 Volvo V70

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96 chrysler town country wont shift into third gear


If it starts out in 2nd gear & dosn't shift, it is probably in a limp in mode. the system will need to be diagnosed & computer satisfied. sometimes disconnecting the battery will reset the computer & allow the trans to shift untill it sees the problem again. I recomend getting the codes read first so the memory will not be erased.

May 21, 2011 | 1996 Chrysler Town & Country

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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

P0700 p0720 codes. dodge stratus 2002 "jumping" speedometer drives erratic. sometimes sticks in 2nd gear. I've replaced output speed sensor to no avail. whats my next step?


Check the wire harness, make sure there are no breaks or crushed wires. Also check the wire harness to the TCM, look for any loose connections. Good luck and keep me posted. Be glad to help. 

Jun 30, 2009 | 2000 Dodge Stratus

1 Answer

Hard Shift to 2nd Gear/next gear


Your going to have to get your car scaned for codes. Auto Zone can scan it for you for free and tell your what you'll need to fix it.
It sound's like your VSS Sensor (speed sensor) is not working and your ECM is not getting the signal from the transmission to know when to shift the gears.
Becareful not to burn out the transmission till you get it fixed. The sensor it self is not that expansive and to replace it is easy and takes about 30 min to do.
If you get a P0720 or a P0722 code, then it's your speed sensor. It's an esy fix and Auto Zone can give you instrction on how to change it. 
Good luck, it takes about 30 min to change and hope this helps.

Apr 23, 2009 | 2001 Pontiac Grand Am SE

1 Answer

Fault code P0720


code po720 is the output speed sensor malfunction

Jan 24, 2009 | 2001 Jeep Grand Cherokee

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