Question about 2009 Pontiac G3

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Replacing the output shaft speed sensor - speedometer will not work?

Just replaced the output shaft speed sensor due to a code. The speedometer had gone out. I installed it and it will not work. Does this need to be taking back to the dealer to set up a great?

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1 Answer

Codes do not mean a sensor is bad or needs to be replaced

Codes could mean the sensor is doing it's job & the transaxle
has a problem.

You need to google the code & do some research on diagnosing it.

Never need a dealer for anything, unless you like spending extra money vs: a local shop

That sensor is a magnetic output sensor & it gets it's field activated
from a toothed wheel inside the trans, on one of the clutch drums,
so no programming etc.

Posted on Apr 02, 2014

  • Nicole Kalchthaler
    Nicole Kalchthaler Apr 02, 2014

    The code was P0722 - Shows one or the other. Narrowed down to this part. Just seems like it would do to some the computer info it has.

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Ensure you are checking the right sensor.
The coolant level sensor is usually located in the coolant resevoir. It generally performs a hi/lo monitor switch function.
The coolant temperature sensor is usually located on the motor (cylinder head or thereabouts). It is a variable resistor dependant on coolant temperature.
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Posted on Aug 01, 2009

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SOURCE: I can not find where the output speed sensor the

the oss, or vss is located on the passenger side of the car on the top of the transmission. If you jack up the car and pull the rf wheel, you will see the cv(drive shaft) going to the transmission. just past where the shaft goes in, you should see a plug on the trans. unplug it, and it should be held in by a 10mm bolt/nut. hope this helps.

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SOURCE: Need to know where the crank shaft position sensor is, and how to replace it.

I believe this is the 3800 Series II.The crankshaft position sensor is located on the passenger side of the engine,behind the crankshaft pulley for the accessory drive belt.(The reluctor that gives the sensor its signal is actually part of this pulley).I believe you can replace the sensor without removing the pulley,but I can't remember for sure(haven't replaced on of these in about 16 years).I do remember the fastest way to diagnose the sensor.All I would do is grab a can of Brakleen and go on a test drive.Drive it until it's warmed up,pull over,shut it off,wait 4 minutes(this is called heat soaking).Try to start it.If it doesn't,cool the sensor off with a couple blasts of Brakleen(it cools quickly due to fast evaporation).If it now starts up,the sensor is the culprit.

Posted on Mar 24, 2013

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1 Answer

Need to locate the output shaft speed sensor on a Pontiac g6 gt 2007


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Speedometer stopped working was when I bought the car 3 weeks ago only 88,000 miles on it why


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Check engine seems to only pop on when driven on the highway.Been driving it for weeks and it hasnt popped back on since my last highway travel, untill i drove on the highway today. I brought it to...


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1 Answer

My speedometer will not work check engine light goes on and off and the overdrive indicator light flashes. All this happens intermittently with hotter weather it seemingly happens more frequently. Scanned...


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Speedodmeter not working on 1999 Kia Sportage


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Mar 24, 2010 | 1999 Kia Sportage

1 Answer

Speedometer needle is on the wrong side of the pin, so the speedometer won't work. Can you help?


I am assuming you have a 4-speed transmission?
There are 2-speed sensor on the front of the transmission. Input and Output Speed Sensors.
They are level with each other, right above the top line of the Solenoid (wiring harness goes into this box-like assembly) The one that is closest to the Solenoid is the Input Sensor. The one (at the same level) towards the left side of the van is the Output sensor.
I believe a 1-in wrench will work, after you unplug the sensors. Torque going-on for both is 20 ft-lbs. Before replacing the sensors - you may remove the sensors and clean the metal particles off the interior tips of the sensors and reinstall and check operations. Start with removal, cleaning, replacing the Output Speed Sensor as the Speedometer Info is directly involved with this. If cleaning does not fix the problem then replace it and check operations, before replacing the Input Speed Sensor. This will save you money from replacing both sensor.
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Dec 21, 2009 | 2003 Chrysler Town & Country

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

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