Question about 2004 Jeep Grand Cherokee

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2004 jeep grand cherokee what does code p1726 means

Transmission are slipping

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Double posted, back up one./

Posted on Mar 31, 2014

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    _-__-___-_ May 10, 2014

    Lillian,, posted so many times. they this answer

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    _-__-___-_ May 10, 2014

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    _-__-___-_ May 10, 2014

    posted 6 times. one car, 1 symptom, get it serviced, slipping is bad, news, and cause further damage to transmission. A/T are complex. and expensive to buy and repair. Did you use a scan tool that can see ALL Jeep DTC codes. if not?, you're running blind.d.

  • _-__-___-_
    _-__-___-_ May 13, 2014

    get it serviced, or buy the FSM and read the pages, for ON CAR TESTS, A/T , read that and do the tests. There are many tests , not only driving but with checking levels, pressure of the main pump , stall test, and TCM inputs and outputs. Asking someone to guess this complex system. is near impossible, its a hands on deal, get it serviced, or RTM. there are only 2 choices , there. try , read the full chapters on the A/T . then ask questions.

  • _-__-___-_
    _-__-___-_ May 13, 2014

    my free fsm ,skips that code. so cant show the details but the real FSM explains how to test (monitors) are done and the pass fail criteria. and what actions to take. RTM , read the manual.


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The code you have means that an automatic test which the transmission controller performs each time failed twice. It is a test of a pressure switch inside the TRS/solenoid block. This could have several reasons, but the first check is to see the fluid level and smell the fluid. If the level is low, fill it to the right level. If the fluid looks black and/or smells burnt, then you really have a slipping clutch inside. But normally when a clutch starts slipping you will get more fault codes. The transmission controller compares the input with output speed to see if it slips and if it does, it will give you a code for it. It can be that the failing test causes the transmission to go into limp mode, which is third gear. You get then the feeling that it is sluggish and slipping. Most of the time the pressure switch itself is the problem. You then need to replace the whole TRS/solenoid block.

Posted on May 13, 2014


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SOURCE: Jeep Grand Cherokee Limited P0700 diagnostic problem

P0700 means there is a transmission fault code in the transmission controller. Since the transmission controller doesn't have a light attached, it tells the engine controller to turn the light on using this code. You'll have to access the transmission controller to further diagnose the problem.

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You may have a faulty sensor, most cases a wheel speed sensor, the light is on warning you that you do not have abs basically your car will stop like an old 70's model car before abs. abs atands for anti lock brakes, it keeps your brakes from locking up under extreme braking.

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Code p1726

it dont lie, it is slipping.
the TCM sees the input speed and output speeds, (trans)
and knows the slip rate. (TC's do slip naturally) and then if it slips too much. it throws the DTC,
must folks do the full flush service. and pray it fix it. (filter and all new ATF fluid)
is the ATF LEVEL too low or too high?, (the test is in the operators guide. not checked at all like the engine, RTM first)
some newer cars have no A./T dip stick to do this, and needs under car, check.

just take it in for service. and check the trans.

ATF = automatic transmission Fluid, RTM means read the manual.

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