Question about 2002 Jeep Grand Cherokee

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2002 jeep cherokee laraedo mice chew wire under hood now check engine light comes on was told by an mechanic that it was a power controle module

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Whats your question, the light is a emission light and all repairs are covered up to 50 thousand miles, the mice damage would fall under your comprehensive part of your auto policy. the mice call a good rodent exterminator.

Posted on Oct 01, 2010

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1 Answer

Where is the ECU located on a 2002 Grand Cherokee?


first off leave it alone, i bet its ok.
99.9% are,
no engine stated, so we must guess.
sad huh>? you want to fix this ? with no symptoms stated.???
no context , no job stated. etc??????
asked like 100 times on this forum so you didnt search first.?
the PCM ,
see chapter, electronics control modules here.
chapter 8E in the FSM book
page 20 , it is clear?

its the module with the most wire, on all cars , making it easy to find
in most cases. just a casual look finds it in most car under dash or under hood.


RR engine bay.
see it

Oct 16, 2014 | 2002 Jeep Grand Cherokee

1 Answer

Transmission control module


transmission control module is under dash on drivers side, by the steering column.its about 3x4 inches with 2 bolts on the side of it. the power control module is under hood on drivers side. Good-Day!

May 16, 2014 | Cars & Trucks

1 Answer

I cannot find the location of my onboard computer for my 1995 Jeep Grand Cherokee. My engine light has come on; even my mechanic cannot find it. Do you plug in under the dash or under the hood? Thanks.


The connector to read the codes from your computer is strapped to the wiring harness right by your computer,which is on the passenger firewall under the hood,it sometimes has an almost square black cap covering it

Sep 02, 2010 | 1995 Jeep Grand Cherokee

1 Answer

Jeep cherokee 2000 heater fan does't run


If it doesn't run on any speed then check fuses and relay's under the hood in the power distribution box,if all are good then use a test light or volt meter on fan motor wires with fan switch set on high,if you have power there then replace fan motor,if the fan works on some speeds and not others than check the fan speed control module,it is located in the air duct on pass side below glove box.

May 03, 2010 | 2000 Jeep Cherokee

1 Answer

On my 1994 grand cherokee laraedo 4.0 under the hood is mya fuse box with a 20amp fuse labeled I.O.D wat does that stand for and wat does it do?


It stands for Ignition off draw. Its a test point used for battery power draw with the ignition off. Your amps when testing this circuit should never be over 20mA or 0.020 amps. Hope this helps.

Jan 18, 2010 | 1994 Jeep Grand Cherokee

1 Answer

Dash lights or gages on jeep grand cherokee wont work


the wires could be chewed off by mice or there could be a bad connection, also try checking the fuse to see if it is blown and if it keeps blowing then put a higher amp fuse in it.

Dec 21, 2009 | 1996 Jeep Grand Cherokee

3 Answers

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Check for a 40 amp blown fuse for the BCM this controls those 2 unit. If this checks ok disconnect the BCM module and plug back in this will reset it the BCM is located under the Drivers side kick panel against the firewall. If it work after the BCM reset replace the BCM it will work only temporaraly.

Aug 29, 2009 | 2004 Jeep Grand Cherokee

1 Answer

1995 jeep grand cherokee wont start


IF THE FUSE BLOWS IMMEDIATELY, THE VEHICLE HAS A SHORT IN THAT CIRCUIT. CAR WON'T RUN WITH A SHORTED ECM. CHECK THE WIRING FIRST FOR A BARE OR PINCHED WIRE.

Aug 25, 2009 | 1995 Jeep Grand Cherokee

1 Answer

P1698 code


Sir,
check this link for ur problem
Under the hood on the driverside of the cherokee is the PCM or Powertrain Control Module. The Transmission Control Module or TCM is under the dash on the driverside. It's actually kinda of small, I would guess 4 inches by 3 inches. with what look like wings coming off the sides and two bolts. 

link 2


Thanks Good Luck
Appreciate to rate as "Fixya"

May 03, 2009 | 1999 Jeep Cherokee

1 Answer

1989 Jeep Cherokee - Electrical Problem - horn, brake lights, blinkers, radio/cd...


There could be a fusible link under the hood off the starter relay that is burnt out.

Sep 10, 2008 | 1989 Jeep Cherokee

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