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truck wont downshift.

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Old 10-18-2010, 06:25 PM
slimkip slimkip is offline
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Join Date: Apr 2010
Vehicle: 06 dodge ram 3500 4x4
Location: canyon lake
Posts: 10
Default truck wont downshift.

When i come to a stop my truck will not down shift back to first, it will stay in second or third. took it to the dealer, said i had low voltage so i put two new batteries in it. it worked for a while then i hauled a trailer about 4 hours and it started agian. they also said there was something about a low line pressure, or something like that when they did diagnostic. havent had them check anything since then. looking for ideas or thoughts, its an 06 cummins, auto tranny.
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Old 10-18-2010, 07:16 PM
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dodgetrucker75 dodgetrucker75 is offline
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Vehicle: 1948 12v cummins powered B1C pickup
Location: live oak, ca
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replaceing the govenor pressure solinoid and pressure sensor (inside the pan) normally cures the problem and with the code of line pressure, i bet that is it
98-12v cummins converted from v10,cammed,nv4500,compound turbos,SB3600DD,heavily modified
07 red mega cab long bed,cummins 5.9,G56,mygig,southbend, smarty, more... 99 1500 4bt
The woman's-02 cummins,3500 dually,NV5600,lifted,some added fuel, and 2013 dart 2.0 6spd
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Old 10-24-2010, 11:46 PM
slimkip slimkip is offline
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Join Date: Apr 2010
Vehicle: 06 dodge ram 3500 4x4
Location: canyon lake
Posts: 10

awesome, i got those part and swapped them out. im think within the next 500 miles will tell me whether its fixed or not. but if not ill keep posted. thanks for the advice.
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