p0869 code . 2006 Dodge 2500 w/cummins

toolhawk

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I know p0869 is a high pressure code but ?????? what does it mean , 06 Dodge Diesel ,2500 ,150,000 miles , trans well maintained , was pulling trailer ( very light 3000 lbs) 700 miles into trip when code came up at 65 mph.,any ideas , THANKS !!!!
 

kev2

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From the manual, reads just like it says pressure to high- Now is the sensor reading to high? or the pressure really high- will need a scanner to read sensor and a gauge to confirm sensor reading........
I will look for a diagram HOPEFULL an easy sensor to change to give us a DIYer try.

Sure miss trans man when these show up -
 

billr

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Kev2, do you know that it refers to trans pressure; not engine-oil pressure, or fuel pressure, or turbo pressure?
 

kev2

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transmission.

- iF THE sensor is wrongly reporting pressure as high the PCM may try to lower pressure and then the actual pressure would show low- a catch 22 SO I would try the sensor change


gotta love google -
http://www.youtube.com/watch?v=Gb24f8mWCB8
 

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toolhawk

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Thanks !!!!will give it a try and let you know , Thanks again , great video !!!!
 
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