2010 Murano code p0725

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legend67
Posts: 4
Joined: Sat Jan 09, 2021 8:37 pm
Car: 2010 Nissan Murano

2010 Murano code p0725

Postby legend67 » Sun Jan 10, 2021 3:03 pm

2010 Murano with 184,000 miles,

When it snows and the roads are slushy. The car jerks at time under wet conditions only. (P0725) I have done a fluid change and cleaned the filter. I actually installed Napa 1-5647 filter kit and found the pickup tube was too long and when I tightened the pan it crushed the filter, so the pump was being starved for fluid. Reinstalled original filter and back to normal.

The tranny was replaced under warranty by the previous owner. I purchased it with 176 thousand.

Any thoughts
thanks


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VStar650CL
Posts: 2716
Joined: Thu Nov 12, 2020 1:25 pm
Car: 2013 Nissan Altima 2.5 SL
2004 Nissan Altima 2.5 S

Re: 2010 Murano code p0725

Postby VStar650CL » Sun Jan 10, 2021 4:28 pm

There's a 2011 bulletin regarding that code, NTB11-043. It's most probably being caused by a dying crankshaft sensor (CKP) that's occasionally skipping teeth. Make sure you check sensor ground for the CKP while you're down there, we've seen it be problematic on gen1 Muranos. Here's a copy of the diag flow from the bulletin:

https://drive.google.com/file/d/1QeTmxD ... sp=sharing

This is a case of the TCM blaming the wrong component, similar to how it blames the range switch with P0715 for what usually proves to be water in a taillamp.

legend67
Posts: 4
Joined: Sat Jan 09, 2021 8:37 pm
Car: 2010 Nissan Murano

Re: 2010 Murano code p0725

Postby legend67 » Sun Jan 10, 2021 4:52 pm

Thanks I will check the wiring and sensor

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VStar650CL
Posts: 2716
Joined: Thu Nov 12, 2020 1:25 pm
Car: 2013 Nissan Altima 2.5 SL
2004 Nissan Altima 2.5 S

Re: 2010 Murano code p0725

Postby VStar650CL » Sun Jan 10, 2021 5:06 pm

You're most welcome. Come to think of it, since you're only getting the issue in wet/slushy conditions, I think the wiring or connector would be a more likely culprit than the sensor itself.

legend67
Posts: 4
Joined: Sat Jan 09, 2021 8:37 pm
Car: 2010 Nissan Murano

Re: 2010 Murano code p0725

Postby legend67 » Mon Jan 11, 2021 11:30 am

Thanks that it what my thoughts also. I purchased some dielectric grease.

legend67
Posts: 4
Joined: Sat Jan 09, 2021 8:37 pm
Car: 2010 Nissan Murano

Re: 2010 Murano code p0725

Postby legend67 » Thu Jan 14, 2021 7:14 pm

I removed CKP finding the wiring to be fine and sensor clean. I did find the the sensor seemed to have a open space between tranny grommet and the sensor.. I did install a o ring on the sensor to close the space. Hopefully this cures the problem. I will keep everyone up to date when I know if worked or not.


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