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  #1  
Old 02-15-2012, 09:33 PM
Nck's Avatar
Nck Nck is offline
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Join Date: May 2011
Location: Salt Lake City
Posts: 238
Gender: Male
Vehicle: Superb 1998 Dodge Ram
Trim Level: SLT Laramie
Color: White
Engine: 1998-2001 360ci (5.9L) Magnum V8 245hp(standard), 250hp(Sport package)
Rep Power: 0
Rep:64
Nck will become famous soon enough
Default Check engine light?

My check engine light just came on, so I went to Auto Zone and had it checked. Turns out it's an output speed sensor (OSS) Circuit Performance.

Explanation
Engine running vehicle in drive and the ECM did not detect and OSS signal.
Probable cause
1. Failed output speed sensor
2. Open or short circuit condition
3. Corroded or moisture in connector.

So where is this speed sensor? I'm going to replace it. If that's the case.
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  #2  
Old 02-16-2012, 10:32 AM
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ramvan2500 ramvan2500 is offline
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Join Date: Apr 2011
Location: Florida USA
Posts: 1,825
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Vehicle: 1995 Dodge Ram B2500 Van
Trim Level: SLT - 2500
Color: Deep Molten Pearl Coat, Silver, Grey
Engine: 1994-2001 318ci (5.2L) Magnum V8 220hp
Rep Power: 4
Rep:127
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Default

Quote:
Originally Posted by Nck View Post
My check engine light just came on, so I went to Auto Zone and had it checked. Turns out it's an output speed sensor (OSS) Circuit Performance.

Explanation
Engine running vehicle in drive and the ECM did not detect and OSS signal.
Probable cause
1. Failed output speed sensor
2. Open or short circuit condition
3. Corroded or moisture in connector.

So where is this speed sensor? I'm going to replace it. If that's the case.
The speed sensor is on the outside of the transmission on the drivers side on the extension housing. The thing is if the ECM isn't receiving any speed signal then the vehicle will NOT work so most likely that their is just some water on the wire or the sensor itself is faulty.
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  #3  
Old 02-16-2012, 03:51 PM
Nck's Avatar
Nck Nck is offline
Dodge Ram Forum Senior Member!
 
Join Date: May 2011
Location: Salt Lake City
Posts: 238
Gender: Male
Vehicle: Superb 1998 Dodge Ram
Trim Level: SLT Laramie
Color: White
Engine: 1998-2001 360ci (5.9L) Magnum V8 245hp(standard), 250hp(Sport package)
Rep Power: 0
Rep:64
Nck will become famous soon enough
Default

Quote:
Originally Posted by ramvan2500 View Post
The speed sensor is on the outside of the transmission on the drivers side on the extension housing. The thing is if the ECM isn't receiving any speed signal then the vehicle will NOT work so most likely that their is just some water on the wire or the sensor itself is faulty.
Yeah I was reading how a bad sensor can cause the engine light to go on, and cause the tranny to shift erratic. Which both I have.
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  #4  
Old 02-16-2012, 11:38 PM
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Nck Nck is offline
Dodge Ram Forum Senior Member!
 
Join Date: May 2011
Location: Salt Lake City
Posts: 238
Gender: Male
Vehicle: Superb 1998 Dodge Ram
Trim Level: SLT Laramie
Color: White
Engine: 1998-2001 360ci (5.9L) Magnum V8 245hp(standard), 250hp(Sport package)
Rep Power: 0
Rep:64
Nck will become famous soon enough
Default

Ok, replaced the sensor. Problem solved.
Engine light went off and my truck seems to shift better than it ever has since I've had it.
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  #5  
Old 02-17-2012, 05:12 PM
ramvan2500's Avatar
ramvan2500 ramvan2500 is offline
Dodge Ram Forum Senior Member!
 
Join Date: Apr 2011
Location: Florida USA
Posts: 1,825
Gender: Male
Vehicle: 1995 Dodge Ram B2500 Van
Trim Level: SLT - 2500
Color: Deep Molten Pearl Coat, Silver, Grey
Engine: 1994-2001 318ci (5.2L) Magnum V8 220hp
Rep Power: 4
Rep:127
ramvan2500 will become famous soon enoughramvan2500 will become famous soon enough
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Quote:
Originally Posted by Nck View Post
Ok, replaced the sensor. Problem solved.
Engine light went off and my truck seems to shift better than it ever has since I've had it.
Good to hear it's working for you. That sensor is used not only to operate the speedometer, but it is used as a sensor for the ECM to determine the vehicle load and when to drop RPM's to let the trans shift of course this also includes the TPS. Don't forget to give me some rep points, it's been awhile since anyone has gave me some.

If you ever have a problem with the truck my door is open.
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