Question about 2004 Jeep Grand Cherokee

2 Answers

Transmission slips into neutral while driving

I have a 2004 Jeep Grand Cherokee Limited. The transmission has started going into neutral while driving, I was pulling to side of road and cutting the Jeep off and it would reset and drive fine for a couple hundred miles and then repeat. Now, while driving and it goes into neutral, I put it in neutral switch it off and back on and then put it back into drive and it is good to continue driving. Is that not just crazy!! The check engine light comes on and the code is P1762 and P1763. I have had governor sensor replaced, solenoid replaced, throttle something replaced, PCM replaced, battery connectors, wiring harness to battery replaced, serviced transmission, fuel filter replaced. I have spent almost $3000.00 and it is still going into neutral while I am driving. I am a female and I drive out of state on my job and I really need to figure this out. I have carried it to Jeep Dealerships, transmission specialists and no one knows what to do. They say just drive it but I am afraid I am going to have or cause a really bad wreck on the interstate when it goes into neutral while I am driving. Please, has anyone else had this problem?? I would really appreciate some input on this. Thanks . Transmission specialist says it is an electrical problem.

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  • CrisO Jun 19, 2014

    You mention all the items that have been replaced including a PCM. But has the TCM (Transmission Control Module) been replaced?

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2 Answers

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  • Jeep Master
  • 20,706 Answers

No country stated, no engine or exact transmission, real name.
see our USA pages
see all those, engines and matching transmissions
be wise to saY WHAT DRIVE TRAIN IS THERE.
if in Europe with a Diesel why leave both facts out.??????
you have transmission flare, (false neutrals)
lacking even one clues as to where you are, or what drivetrain
is a totally wasted POST, IMO.
see gen2 grand Cherokee, list below, must the helper guess?
why?
if car is USA< and say if 42RFE or 5-45RFE trans?
most posts fail here due to people thinking all cars are the same
sorry NOT.

http://www.factorychryslerparts.com/productSearch.aspx?&ukey_make=1064&ukey_model=15529&modelYear=2004&ukey_category=0&ukey_driveline=0&ukey_trimlevel=0&ukey_modelRange=0&isOnSale=0&searchTerm=

Transmission slips into neutral while driving - 2004-ohlb55kx4kvfy25i04mquwk4-1-0.jpg

Posted on Mar 03, 2017

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  • Jeep Master
  • 76,164 Answers

The transmission is going into limp safe mode because it is in 2 gears at once, had the exact same issue on my Dodge which uses the Mercedes Benz style transmission. The Dodge dealer finally replaced the entire valve body after many other repairs were attempted, I was under basic warranty so no money spent but lost use of the car for days on end, very frustrating.. But you could have a TCM issue here as well. I would need to see the EXACT list of parts and diagnostics done to try and solve this problem for you. Whomever did this work is 100% obligated to fix this or you should contact your local consumer affairs office and start a complaint process against them. I know what I am talking about here, worked for dealers my whole adult life.

Posted on Mar 03, 2017

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Posted on Jan 02, 2017

Caesarfix
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SOURCE: 01 jeep Grand Cherokee transmission problem

Reboot system by disconnecting negative terminal on Battery, with ignition Key on and engine not running, remove terminal for more than two minutes and connect it back, it will spark a little do not panic, and try it again

Posted on Feb 01, 2009

  • 1 Answer

SOURCE: Transmission problem

I had a shifting problem. The car would start in the wrong gear and shift at wrong times. I repaced the governor postion sensor and tranny fluid and the problem has been fixed for several years. Did you replace the tranny fluid?

Posted on Mar 07, 2009

dsacco86
  • 1077 Answers

SOURCE: I have a ODB II code reader giving p1763, p1762, p0303

Your right about the two codes. It's really a transmission part.
As soon as you open up the transmission pan, it right there.
f0d99d5.jpg But, I would leave this up to a transmission place. It may need a special type of calibration tool for the new sensor.

As for PO303, that is a missfire in cylinder #3

I hope I answered your question.

Posted on Mar 27, 2009

vetteman3002
  • 2299 Answers

SOURCE: I had the transmission serviced

Gov pressure sensor offset voltage too low or high. You will need to change the governor pressure sensor on trans. They are very expensive. It is going to cost about $800. The transmission starting out in 3rd gear is normal. This is called limp mode. It is to keep from burning up the transmission.

Posted on Nov 30, 2010

ZJLimited
  • 17970 Answers

SOURCE: 1999 Jeep Grand Cherokee Laredo 4.0 liter six

P1762 - Governor Pressure Sensor Offset Improper Voltage

P1763 - Governor Pressure Sensor Voltage Too High

P1756 - Governor Pressure Not Equal To Target At 15-20 PSI

Your automatic transmission pressure governor has higher pressure than it should. This could be caused by a sticking selenoid, or a dirty filter. When is the last time you changed the ATF and filter? If it's been a while, I'd go that route first. Otherwise, a transmission shop may have to perform a series of air pressure tests on the transmission.

Chrysler manual says:

GOVERNOR PRESSURE SENSOR
The governor pressure sensor supplies the transmission pressure input to the Powertrain Control Module on circuit T25. Circuit T25 connects to cavity B29 of the PCM. Circuit K6 from cavity B31 of the PCM supplies 5 volts to the sensor. The PCM provides ground for the govenor pressure sensor on circuit K4. Circuit K4 connects to cavity A4 of the PCM.

The governor pressure sensor is part of the transmission solenoid assembly.

GOVERNOR SOLENOID AND PRESSURE SENSOR
REMOVAL
Hoist and support vehicle on safety stands.
Remove transmission fluid pan and filter.
Disengage wire connectors from pressure sensor and solenoid
Remove screws holding pressure solenoid retainer to governor body.
Separate solenoid retainer from governor
Pull solenoid from governor body
Remove bolts holding governor body to valve body.
Separate governor body from valve body
Remove governor body gasket.
Remove retainer holding pressure sensor to governor body.
Pull pressure sensor from governor body
INSTALLATION
Before installing the pressure sensor and solenoid in the governor body, replace O-ring seals, clean the gasket surfaces and replace gasket.

Lubricate O-ring on pressure sensor with transmission fluid.
Align pressure sensor to bore in governor body
Push pressure sensor into governor body.
Install retainer to hold pressure sensor to governor body.
Place gasket in position on back of governor body
Place governor body in position on valve body.
Install bolts to hold governor body to valve body.
Lubricate O-ring, on pressure solenoid, with transmission fluid.
Align pressure solenoid to bore in governor body
Push solenoid into governor body.
Place solenoid retainer in position on governor
Install screws to hold pressure solenoid retainer to governor body.
Engage wire connectors into pressure sensor and solenoid
Install transmission fluid pan and (new) filter.
Lower vehicle and road test to verify repair.


Keep us updated.

Posted on Dec 31, 2010

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