Question about 2001 Jeep Grand Cherokee

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Where to find the heated seat fuse and or circuit breaker

2002 grand cherokee. Niether heated seat works

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When you open up your fuse panel the back side of the cover has a list of what each of the fuses do. Sometimes it can be a little vague however , so if that happens its a simple thing to just pull them one by one and visually inspect them to see if they are blown. A blown fuse will have the little wire in the middle broken.

Posted on Dec 12, 2008

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2002 Trailblazer heated seats won't work


First check circuit breaker #8 and fuse #19 in the rear fuse panel. If these are OK, you will have to troubleshoot the seat heaters themselves (loose connector, broken wires, defective heater coil, etc.)

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All my power outlets and cigarrette lighters don't work in my 2005 jeep grand Cherokee. I've checked and swapped out fuses and it stoo don't work. What else can I check?


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Aug 01, 2012 | 2002 Jeep Grand Cherokee

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Lost all power in the heater and all my warning for doors dont work niether dose the power door locks


Check the fuses and circuit breakers. there should be a panel either under the dash or towards the bottom of the dash and sometimes in the driverside kick panel. There is also a fuse box under the hood usually for the outside functions.

Nov 25, 2011 | 1995 Jeep Grand Cherokee

1 Answer

Which fuse cavity is designated for the fuel pump?


Cavity Fuse Color Description F1 -- -- Spare F2 -- -- Spare F3 10 Amp Red Headlight high beam left F4 15 Amp Lt. Blue Flasher (see Junction Block diagram above for location of turn signal Flasher relay - p/n 4686094) F5 25 Amp Natural Radio amplifier F6 15 Amp Lt. Blue Park lamps F7 10 Amp Red Interior lights F8 15 Amp Lt. Blue Overhead console, rear wiper, IP lights, rear flipper glass solenoid, power locks F9 20 Amp Yellow Power outlets F10 20 Amp Yellow Adjustable pedals (2002-2004 only) F11 10 Amp Red Rear window defrost indicator F12 10 Amp Red Auto shutdown relay / "Fuel" F13 -- -- Spare F14 10 Amp Red Headlight low, left F15 10 Amp Red Headlight low, right F16 10 Amp Red Headlight high, right F17 10 Amp Red Instrument cluster, diagnostic connector F18 30 Amp ? Trailer tow F19 10 Amp Red Anti-lock brakes F20 10 Amp Red Ignition Run / Heated seats F21 10 Amp Red Ignition Run / Start - PDC (Power Distribution Center) F22 10 Amp Red Ignition Run / Start F23 15 Amp Lt. Blue Brake switch F24 15 Amp Lt. Blue Foglamps F25 20 Amp Yellow Accessory delay relay (sunroof) F26 15 Amp Lt. Blue Cigar F27 15 Amp Lt. Blue Rear fog (export) F28 10 Amp Red Body Control Module, Acc/Run F29 10 Amp Red Rear wiper switch. washer motors F30 15 Amp Lt. Blue Radio F31 10 Amp Red Ignition Start F32 10 Amp Red Ignition Run / Start - Airbag F33 10 Amp Red Ignition Run / Only - Airbag C1 20 Amp Yellow Wiper (Circuit Breaker) C2 20 Amp Yellow Seats (Circuit Breaker)
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Jun 06, 2010 | 1999 Jeep Grand Cherokee

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2002 jeep grand cherokee heated seat quit working only the driver side passenger side still works


hi
contact your jeep dealer as there was a recall for the grand cherokee heated seat pads as some of them heated to much and set the seat on fire... they will replace them free off charge.
hope this helps

Feb 28, 2010 | 2002 Jeep Grand Cherokee

1 Answer

Heated seats not working


it is a breaker and likely under the hood

Jan 10, 2010 | 2005 Jeep Grand Cherokee

1 Answer

2002 Grand Cherokee Heated Seats don't work


I will post it in 2 different posts because its too long DB

HEATED SEAT SYSTEM
Individually controlled driver and passenger side electrically heated front seats are available factoryinstalled optional equipment on this model, when it is also equipped with the power seat option. The heated seat system allows both the driver and the front seat passenger the option to select one of two seat heating ranges, Low or High, or to turn the individual seat heaters OFF using the heated seat switches located in the center lower bezel near the bottom of the instrument panel center stack. The heated seat switch circuit operates on ignition switched battery current supplied through a fuse in the junction block, only when the ignition switch is in the ON position.

The heated seat system consists of the following components
  • Heated seat elements
  • Heated seat sensors
  • Heated seat module (or memory heated seat module)
  • Heated seat switches.
The heated seat system also relies upon resources shared with other electronic modules in the vehicle over the Programmable Communications Interface (PCI) data bus network. The PCI data bus network allows the sharing of sensor information. This helps to reduce wire harness complexity, internal controller hardware, and component sensor current loads. At the same time, this system provides increased reliability enhanced diagnostics, and allows the addition of many new feature capabilities. For diagnosis of these electronic modules or of the PCI data bus network, the use of a DRB scan tool and the proper Diagnostic Procedures are recommended.

The electronic modules that may affect heated seat system operation are as follows:
  • Body Control Module (BCM) - Refer to Body Control Module in Electronic Control Modules for more information.
  • Heated Seat Module (HSM) - Refer to Heated Seat Module in Electronic Control Modules for more information.
  • Memory Heated Seat Module (MHSM) - If the vehicle is equipped with the Memory System, refer to Memory Seat Module in Electronic Control Modules for more information.
Refer to Power Seats Premium I/III in the Contents of Wiring Diagrams for complete circuit diagrams. Following are general descriptions of the major components in the heated seat system.

The heated seat system will only operate when the ignition switch is in the ON position, and the surface temperature at the front seat heating element sensors is below the designed temperature set points of the system. The heated seat system will not operate in ambient temperatures greater than about 41 °C (105 °F) . The front seat heating elements and sensors are hard wired to the Heated Seat Module (HSM) or the Memory Heated Seat Module (MHSM).

The heated seat switches are hard wired to the Body Control Module (BCM). The BCM monitors the heated seat switch inputs, then sends heated seat switch status messages to the HSM or MHSM over the Programmable Communications Interface (PCI) data bus. The HSM or MHSM contains the control logic for the heated seat system. The HSM or MHSM responds to the heated seat switch status messages, ignition switch status messages, and the front seat heating element sensor inputs by controlling the output to the front seat heating elements through integral solid-state relays.

When a seat heater is turned ON, the sensor located on the seat cushion electric heater element provides the HSM or MHSM with an input indicating the surface temperature of the seat cushion. If the surface temperature input is below the temperature set point for the selected Low or High heated seat switch position, the HSM or MHSM energizes the integral solid-state relay, which supplies battery current to the heating elements in the seat cushion and back. When the sensor input indicates the correct temperature set point has been achieved, the HSM or MHSM de-energizes the solid-state relay. The HSM or MHSM will continue to cycle the solid-state relay as needed to maintain the temperature set point.

The HSM or MHSM and the seat heater elements operate on non-switched battery current supplied through the power seat circuit breaker in the junction block. However, the HSM or MHSM will automatically turn OFF the heating elements if it detects an open or short in the sensor circuit, a short or open in the heating element circuit causing an excessive current draw, or when the ignition switch is turned to the OFF position.

See the owner's manual in the vehicle glove box for more information on the features, use and operation of the heated seat system.

I WILL POST THE REST

Jan 31, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Heated seat 1996 jeep grand cherokee


C1 & C2 in your panel are most likely one of the culprits, if no power at heater at seat. Sounds like testing for power at seat switch is easier to do than get at these circuit breakers in the panel. If you have power at switch at seat, then it's not the fuse/circuit breaker. Good reading at this link for you.


http://www.wjjeeps.com/seats/seats.htm#HEATED

Dec 21, 2008 | 1996 Jeep Grand Cherokee

1 Answer

02 grand cherokee no headlamps or dash lights


sounds like a relay for the circuits and also check the 41 amp fuses in the fuse box ilocated in the engine compartment

Nov 17, 2008 | 2001 Jeep Grand Cherokee

1 Answer

2001 Jeep Grand Cherokee which fuse controls heated seats?


Fuse # 20, located in the Junction Block (interior, drivers side). This is a ten amp fuse.

CLICK_HERE

Read the information at the above site. The TSB (technical service bulletin) may be of interest to you.

Nov 15, 2008 | 2001 Jeep Grand Cherokee

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