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Pathfinder Nissan Pathfinder Discussion Forum

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Old 07-25-2018, 03:53 PM
Rustybux Rustybux is offline
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1994 Pathfinder
1994 Nissan Pathfinder XE
Join Date: Sep 2013
Location: Washington State
Posts: 2
Default Transmission control module

My 94 pathfinder sometimes starts out in 2nd or 3rd gear, wont shift higher or lower. I have to turn off the engine and restart engine then it might start in 1st like it's supposed to. Sometimes I start the vehicle, put the lever in Drive and I can feel it want to start in high gear, i feel it searching and it might downshift to normal. Would that be the Transmission Control Module? Where is it located?
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Old 07-29-2018, 12:42 PM
smj999smj's Avatar
smj999smj smj999smj is offline
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2006 Pathfinder
2003 Frontier King Cab
2003 Frontier KC SVE 4x4
Join Date: Jun 2012
Location: Prospect, VA
Posts: 1,849

The TCM is located behind the right side, rear, interior finisher...above the front side hump of the right-rear wheel well. Once you remove the interior panel, you should be able to see it. It's a rectangular box with mounting brackets. There are several different TCM's available, so you need to make sure you get the right part number. Specifics such as 2WD vs. 4x4 and tire size are some of the reasons for the variation of modules. That said, I can't say for sure if the TCM is your problem or not. More diagnostics would need to be performed in order to determine that; a factory service manual for your year Pathfinder would help pinpoint the cause of the problem. New TCM's from Nissan have long been discontinued. I'm not sure if there are aftermarket options, so I would check Rockauto.com. Otherwise, used units from salvage yards or finding a place to repair yours (if it is bad) would be your other options. I would check with Circuit Board Medics to see if they work on them.
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