20 Most Recent 2006 Jeep Grand Cherokee - Page 3 Questions & Answers

If it makes a weird screeching noise than it is possible the lock actuator has gone bad.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

2006 Jeep Grand... | Answered on Jan 31, 2016

Could be the crank sensor. Located between the engine and transmission. On the drivers side. Have to pull it from under the truck. It's a pain, but not impossible. Have the codes read.

2006 Jeep Grand... | Answered on Dec 30, 2015

press it down and the latch closes. and locks.
on all jeeps.
if not the latch system is failing. (i own 2010) and JK 08.
the FSM covers this, read that yet>? posted 100s of times
see WK jeeps?


2006 Jeep Grand... | Answered on Nov 26, 2015

the latch is broken/
get it serviced.

2006 Jeep Grand... | Answered on Oct 20, 2015

under right windshield wiper behind hood

2006 Jeep Grand... | Answered on Aug 19, 2015

life mode (like?)
lope? (LIMP?)
my guess, this is an automatic transmission question.
and is no longer shifting correctly , right?

no codes?, does that mean the silly dash display ?(its useless ! and just a toy)
or USING a real scan tool (yes, only this really works! )

how long, well (soon and now) , my guess is you are not using a real scan tool
so are blind to all codes. (for sure the speed sensor will be showing trans in wrong gear, for SURE)
use an innvova 3160 scan tool and see them all,
you can not diagnose cars, with out a scan tool (real)
sorry its not going to happen.. (unless wild luck happens ,rare)

if the trans sticks in 3rd gear.
the TCM would be in fact storing many fault error codes called DTCs. and this is what we call limphome mode.
if the transmission brain sees gross errors it has no recourse. it must limit gears. (should be obvious why)
(if not obvious, imagine going to 1st gear at 90 mph) bam!

rent a tool?
buy one?
barrow one?
or get car scanned at any shop on earth, all autoshops can do this.
All ASE shops for sure can.... all. do.


have you checked transmission levels yet, using the book not guessing and overfilling like many do?
and check fuses?

2006 Jeep Grand... | Answered on Aug 02, 2015

no engine stated? size, cylinder count?
this is covered in the FSM, book
the factory service manual.
id bet pulling the engine is more easy. (for sure the 4L)
id did this, one time by jacking up the engine, mounts pulled.
(on a bet) and removed pan. 4.0L inline 6 .
to get pan free , had to pull the pump blindly! (hard trick)

now the book the WK jeep (05 up)
its all here. for free, (I have the pay for links too, ask)


see front axle/diff, R&R

2006 Jeep Grand... | Answered on Jul 20, 2015

Hopefully your vehicle will have a drain plug in the bottom of the fuel tank*: remove this & drain the fuel.
With the plug still removed flush about 5-10 litres of fuel thru by putting in thru the tank filler hole as usual.
Replace the drain plug and put a FULL tank of fuel in (this will dilute any residue as much as possible)
*In the case of no drain plug the fuel tank will need to be removed & fuel drained out thru the filler neck, drain fuel, replace tank & procede from the 'put a FULL tank of fuel section of this instruction.
If the vehicle has been started with the bad fuel remove the fuel filter.
If the vehicle has an electric fuel pump* (more modern vehicles ie. Post 1985 [some vehicles still had & still do have mechanicle fuel pumps]) turn the ignition on with the fiter not in place, vthis will flush fuel thru the fuel lines pushing out the bad/old fuel. Take care as the fuel will be under a fair bit of pressure & "sqirt' out.
*If it is a mechanicle pump this can not be done in this way.
Replace the fuel filter with a new one.
Bleed the fuel system & start the vehicle.
Allow the vehicle to idle for 10-15mins before going back to your usual driving.
All shld now be ok but it is a good idea to routinely inspect the fuel system for leaks over the nxt 10 000km or six months (wich ever is earlyest) as in the case of puting petrol in diesel or diesel in petrol the different rubber and plastic items (such as 'o' rings) can begin to deteriate & leak in wich case they will require replacement.

All the best & I hope this is of some help & it works out for you...

Referances: Me, I am an auto mecanic.

2006 Jeep Grand... | Answered on Jul 15, 2015

The answer to this question depends on several factors such as: Whether the towbar was a factory fitted unit fitted during
pre-delivery, a genuine brand unit or an aftermarket unit & who, where & when it was fitted...
The majority of towbars & the assosiated wiring out there are simply wired in to the rear tail light circuits such as:
  • Trailer stop lights wired to vehicle stop light circuit in eighther of the rear tail lights.
  • Trailer park lights wired to vehicle park light circuit same side as the stop lights, as above.
  • Trailer number plate lights wired to vehicle park light circuit same side, as above.
  • Trailer reverse lights (if fitted) wired to vehicle reverse light circuit same side, as above.
  • Trailer left hand indicator wired to vehicle left hand indicator light circuit
  • Trailer right hand indicator wired to vehicle right hand indicator light circuit.
This means that if fitted in this manner (as the majority are) the corrosponding vehicle light fuse will affect the trailer lights unless the is an inline fuse fitted to each single circuit (which cld be blown). This is very uncommon & wld be a costly way to do it...

In some more modern cars that came from the factory (not the dealership ie. pre-delivery) with the tow bar fitted as standard equipment it is possible that there cld be a sepparate little fuse box or section in the main fuse box (the position of the fuse box/es shld be in your owners manual usually Under the bonnet, under the dash or behind font foot kick panels, & if you dont have an owners manual for your vehicle they are usually available to buy an aftermarket version or these days on the internet & often downloadable for free or @ a small charge).

All the best & I hope this is of some help...

Referances: Me, I am an auto mechanic.

2006 Jeep Grand... | Answered on Jul 15, 2015

Lubricants and capacities
Engine oil options
Ambient temperature range Cold climate
Engine oil grade SAE 5W/30
Engine oil classification API/ACEA CI/C3
Ambient temperature range Moderate climate
Engine oil grade SAE 5W/30
Engine oil classification API/ACEA CI/C3
Ambient temperature range Hot climate
Engine oil grade SAE 5W/30
Engine oil classification API/ACEA CI/C3
Engine with filter(s) litres 9,5

2006 Jeep Grand... | Answered on Jul 15, 2015

check for oil level in the transmission9over full or not enough will cause this fault
check condition of the oil and if not as new then change it and clean the filter
while the pan is off then have the bandss and clutch pack adjusted to remove the possibility of slippage
check for engine operating temperature as the transmission oil cooler is in the tank of the radiator and if the engine is running too hot then the transmission oil will also be too hot.

2006 Jeep Grand... | Answered on Jul 14, 2015

Make sure you have the right key. Check and see if it works in another door or the rear hatch. If it works you could have something rusted or sticking. Does it go all the way in? Will it turn freely both ways? If so then something could be broken inside. If it does not go all the way in or sticks try spraying some WD40 or rust out, or penetrating oil into the key slot. If that does still not work you will have to take the inside door panel off. Hope this helps.

2006 Jeep Grand... | Answered on Jul 14, 2015

where is the parking assist sensor??

2006 Jeep Grand... | Answered on Jul 14, 2015

get it serviced?
if not able to do that, find out if the problem is mech. or electric.?
do you know how to do that.? (seems elect, due to heard motor actions.?)
well disconnect the wire to the latch, and if the problem goes away it s mechanical.
if elecrical it can be bad wiring or switch that controls this latch. or the relays.
wk jeep.
lets look at the WK jeep book.
the liftgate has 4 wires (so does the lock for door there)
2 for the motor
2 for the switch status. (tells you on dash light , gate unlocked)

so of the motor runs by itself that means, the controls to said motor are faulting.
easy huh, ?

door lock or flip up glass.?l my guess its flip glass....faulting...
both have motors.
the flip up glass has 2 relays that can fail.
pull 1 to see if the problem ends (self actuated errors)
the cluster controller (brain) controls this relay flip glass motor.
if the inputs to the controller are wrong (like all computers) the outputs will fail.

the glass relays, run in a pair.
one sends ground to the flip up glass lock
other sends 12vdc on command,
and the reverse !(motor runs backwards too)
did you scan the PCM yet, to see if there is a DTC errors, logged? for Gate?
inputs to the cluster are wrong for flip glass.?>
that be first. SCAN first , always, !!!
here is the:
flip glass. schematic

25617971-zexdix4ype2rblnlnmext1up-1-0.jpgdoes this help?

as you can see if the lower coil wire above in relay grounds out
shorts to body, the glass latch operates , in error.
so if you pull the relay, and it stops you know the relay is bad
or the coil is being driven. wrongly.
in this photo the center box is the cluster brain. (processor)

if intermittent the problem can be very hard to find. as all intermittent are.
id scan it while driving, to see if i get DTC errors at the moment of failure.
drive with relay pulled. (gone now) sure it is.
the motor can not self actuate, that is it cant sources its own power and ground to do that.
the relay must close. (or be bad or be energized wrongly)

2006 Jeep Grand... | Answered on Jun 20, 2015

ok , ill look it up.
i can tell you it means to do other tests to prove the part that is bad)

no engine stated
no transmission. NAG1? but is 2wd, a win there.


more clear?>

read the FSM yet (factory serv. man/)?
here is an excepted cut....

For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - NAG1 - SCHEMATICS
For a complete wiring diagram Refer to Section 8W
Theory of Operation
The messages sent on the CAN bus are distinguished by an identifier (ID). Each CAN ID is defined to contain a
certain number of bytes. The Transmission Control Module (TCM) verifies that it has received the proper number of
bytes for each ID.
² When Monitored:
Continuously with the ignition on, one valid CAN ID received at least once, and no U0002-CAN Bus Off Performance
DTC present.
² Set Condition:
When the TCM detects an incorrect CAN ID from the Electronic Shift Module (ESM).
Possible Causes
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMISSION/

clear as mud?
get it service? any ASE shop can do this. ask them?

2006 Jeep Grand... | Answered on Jun 08, 2015

they are not meant to be cleaned replace it .

2006 Jeep Grand... | Answered on Jun 07, 2015

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