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Does gem module need programming - 2004 Ford Explorer Sport Trac

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6ya6ya
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Posted on Jan 02, 2017

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seans46
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SOURCE: Location of GEM Module on 1998 Ranger

i am almost sure it is in steering col area by firewall. but call any part store like auto zone and they can print it out and tell you if your ford dealer wont. but on the fords they usualy are all in the drivers steering area sometimes way up by fire wall

Posted on Jun 15, 2009

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SOURCE: need to now location of gem module

Its next the radio, you will need radio removal tools and then it is on the left side once the radio is out of the way.

Posted on Nov 06, 2009

  • 183 Answers

SOURCE: Gem Module, Fuse Box and Window Reseal

This 1997 Ford F150 needs the GEM module changed due to multiple conditions. To see testing that lead to this repair please click here. The GEM module is located t the rear of the interior fuse box.
dsc02823.jpg
The first step is to remove the trim panel that covers the gap between the upper side of the steering column and the dash. It just unsnaps from the dash. It makes it a little easier to remove if you move the shifter all the way down to drive 1.
dsc02824.jpg
With that out of the way the lower dash cover can now be removed. Most of the screws have 7 mm heads but there are two that have 8 mm heads.
dsc02825.jpg
Those two are at the lower edge of the fuse box.
dsc02826.jpg
One wiring harness needs to be disconnected from the panel.
dsc02827.jpg
Now the screws for the fuse box can be removed.
dsc02828.jpg
The wiring harnesses can be removed from the back of the fuse box. Two 10 mm headed bolts at the center of each connector.
dsc02829.jpg

Next remove the tube brace from around the bottom of the steering column. Four fasteners with 13 mm heads.
dsc02830.jpg

Now wiggle, pry and twist the fuse box and GEM module assembly down.
dsc02831.jpg
After the assembly is down far enough unplug the remaining harness connectors from the GEM module.
dsc02832.jpg
Almost there.
dsc02837.jpg
The assembly is now free of the vehicle.
dsc02833.jpg
The GEM module is held to the back of the fuse box by three phillips headed screws.
dsc02834.jpg
Easy to remove Now.
dsc02836.jpg
With the three screws removed the GEM unplugs from the back of the fuse box.
dsc02835.jpg
I put it all back together and checked my repair for power to the driver's power window switch.
dsc02842.jpg

Posted on Jan 10, 2012

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Where is the BCM located on a 2000 lincoln navagator?


Ford , Lincoln , Mercury in that era called a GEM generic electronic module .
The generic electronic module (GEM) constantly monitors its subsystems for concerns. If a concern is found in one of the subsystems, the GEM will record the concern in the form of a diagnostic trouble code (DTC).
The ignition switch position is very important to the GEM function. Often times, erratic or unexpected GEM function can be traced to problems with these GEM inputs.
The GEM controls the following features:
  • Wipers/washers (front/rear).
  • Warning chimes.
  • Battery saver.
  • Illuminated entry and courtesy lamps.
  • Driver power window.
  • Accessory delay.
  • 4-wheel drive.
  • Heated back lite/mirror.
Generic Electronic Module (GEM) C239
Behind center of I/P
syj~tr~en~file=ani_caut.gif~gen~ref.gif CAUTION: Prior to removal of the module, it is necessary to upload module configuration information to scan tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
syj~tr~en~file=ani_caut.gif~gen~ref.gif CAUTION: Electronic modules are sensitive to electrical charges. If exposed to these charges, damage may result.

Jul 02, 2016 | Lincoln Cars & Trucks

2 Answers

I have some knowledge or cars . is this something i can do myself


Before Gem removal, You need to upload gem configuration into diagnostic tool, when new gem is in place, download configuration from diagnostic tool into new gem. According to my info, it's not a simple remove/replace. Just between you and me, I don't have those type diagnostic tools. I'd take it to the shop. Just my opinion.

Mar 05, 2016 | Cars & Trucks

1 Answer

How do i replace the GEM


Cassidy, Links below to GEM.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

GEM Module Reprogramming Ford Truck Enthusiasts Forums

The leaky windshield GEM module problem with twist Ford F150 Forum...
dreaded gem module The Ranger Station Forums
What is an Engine Control Module ECU ECM Repair

Mar 03, 2016 | 2002 Ford Ranger

1 Answer

2003 ford ranger windshield wiper won't come on. Replaced fuse, relays, switch and motor. I'm lost. No sign of an SJB in this truck.


No smart junction box , GEM - generic electronic module ! this module energizes the relays in the battery junction box ! The gem module is behind the center of the dash !
Generic Electronic Module (GEM) Removal and Installation
  1. > CAUTION: Prior to removal of the generic electronic module (GEM), it is necessary to upload module configuration information to the diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
    Depower the supplemental restraint system (SRS). For additional information, refer to Section 501-20B .
  1. Remove the radio chassis. For additional information, refer to Section 415-01 .
  1. Remove the center instrument panel finish panel.
    1. Remove the screws.
    1. Remove the center instrument panel finish panel.
    • Disconnect electrical connectors.
    • Module Controlled Functions The multifunction modules consist of the following:
      • generic electronic module (GEM)
      • central security module
      The GEM controls the following features:
      • front wiper and washer
      • warning chime
      • battery saver
      • illuminated entry and interior lighting
      • driver one-touch down power window (optional)
      • battery saver relay
      • door ajar warning indicator lamp
      • safety belt warning indicator lamp
      The central security module controls the following features:
      • remote keyless entry
      • computer-operated lock system
      • trim switch unlock inhibit
      It's more then likely to have DTC'S diagnostic trouble codes stored in it's memory !
    • B1431 Wiper Brake/Run Relay Circuit Failure GEM REFER to Section 501-16 . B1432 Wiper Brake/Run Relay Circuit Short to Battery GEM REFER to Section 501-16 . B1434 Wiper Hi/Low Speed Relay Circuit Failure GEM REFER to Section 501-16 . B1436 Wiper Hi/Low Speed Relay Circuit Short to Battery GEM REFER to Section 501-16 . B1438 Wiper Mode Select Switch Circuit Failure GEM REFER to Section 501-16 . B1441 Wiper Mode Select Switch Circuit Short to Ground GEM REFER to Section 501-16 . B1446 Wiper Park Sense Circuit Failure GEM REFER to Section 501-16 . B1450 Wiper Wash/Delay Switch Circuit Failure GEM REFER to Section 501-16 . B1453 Wiper Wash/Delay Switch Circuit Short to Ground GEM REFER to Section 501-16 . B1458 Wiper Washer Pump Motor Relay Circuit Failure GEM REFER to Section 501-16 . B1460 Wiper Washer Pump Motor Relay Circuit Short to Battery GEM REFER to Section 501-16 . B1462 Safety Belt Switch Circuit Failure GEM REFER to Section 413-09 . B1466 Wiper Hi/Low Speed Not Switching GEM REFER to Section 501-16 . B1473 Wiper Low Speed Circuit Motor Failure GEM REFER to Section 501-16 . B1476 Wiper High Speed Circuit Motor Failure GEM REFER to Section 501-16 Your wipers do not work at all ? did you check this fuse Central Junction Box (CJB) fuse 16 (30A)
      • The wipers are inoperative
      • Central junction box (CJB) fuse:
        • 16 (30A)
      • Circuitry.
      • GEM.
      • Multifunction switch.
      • Wiper run/park relay.
      • Wiper HI/LO relay.
      • Wiper motor.
      • GO to Pinpoint Test A .
      Before replacing parts you need to test , check for codes !

Mar 09, 2015 | Ford Cars & Trucks

1 Answer

Gem Module, Fuse Box and Window Reseal


This 1997 Ford F150 needs the GEM module changed due to multiple conditions. To see testing that lead to this repair please click here. The GEM module is located t the rear of the interior fuse box.
dsc02823.jpg
The first step is to remove the trim panel that covers the gap between the upper side of the steering column and the dash. It just unsnaps from the dash. It makes it a little easier to remove if you move the shifter all the way down to drive 1.
dsc02824.jpg
With that out of the way the lower dash cover can now be removed. Most of the screws have 7 mm heads but there are two that have 8 mm heads.
dsc02825.jpg
Those two are at the lower edge of the fuse box.
dsc02826.jpg
One wiring harness needs to be disconnected from the panel.
dsc02827.jpg
Now the screws for the fuse box can be removed.
dsc02828.jpg
The wiring harnesses can be removed from the back of the fuse box. Two 10 mm headed bolts at the center of each connector.
dsc02829.jpg

Next remove the tube brace from around the bottom of the steering column. Four fasteners with 13 mm heads.
dsc02830.jpg

Now wiggle, pry and twist the fuse box and GEM module assembly down.
dsc02831.jpg
After the assembly is down far enough unplug the remaining harness connectors from the GEM module.
dsc02832.jpg
Almost there.
dsc02837.jpg
The assembly is now free of the vehicle.
dsc02833.jpg
The GEM module is held to the back of the fuse box by three phillips headed screws.
dsc02834.jpg
Easy to remove Now.
dsc02836.jpg
With the three screws removed the GEM unplugs from the back of the fuse box.
dsc02835.jpg
I put it all back together and checked my repair for power to the driver's power window switch.
dsc02842.jpg

Jan 10, 2012 | 2000 Ford Expedition

1 Answer

I have a 2000 ford mustang. Suddenly my keyless entry remote stopped working. I replaced the battery and turned the off and on 8 times and the locks cycled. after which i pushed the unlock but nothing...


The keyless entry system is controlled by the (GEM) - generic electronic module .
Keyless Entry The electronic door lock system has two main components:
  • generic electronic module (GEM)(14B204)
  • keyless entry remote transmitter (15K601)
  • NOTE: Battery power and ground must be remove before disconnecting the GEM connectors to avoid setting false codes.
    Power Locks Operation The power locks feature allows the customer to lock and unlock the doors via momentary switches located on the driver and passenger door. When the GEM detects a momentary press of the driver or passenger lock button, the GEM will supply power to the driver or passenger lock actuators for approximately 250 ms from relays internal to the GEM. When the GEM detects a momentary press of the driver or passenger unlock button, the GEM will supply power to the driver or passenger unlock actuators for approximately 250 ms from relays internal to the GEM.
    Remote Keyless Entry Door Locks Operation The remote entry feature allows the customer to unlock the driver door, unlock all doors, and lock all doors using a valid remote transmitter as long as the ignition switch is not in RUN or START. The driver door is unlocked whenever the GEM detects a valid remote transmitter unlock transmission. All the doors are unlocked when the GEM detects a second valid remote transmitter unlock transmission within three seconds of the first transmission. All the doors are locked when the GEM detects a valid remote transmitter lock transmission. If the GEM detects a second valid remote transmitter lock transmission within three seconds of the first transmission, the doors will lock again, the horn will sound for 20 ms and the parking lamps will flash for 200 ms to indicate the doors are locked. If the GEM detects the driver or passenger door is ajar during the second lock transmission, the doors are locked again and the horn is sounded twice. If the GEM detects a valid remote transmitter lock transmission within three seconds of detecting a valid remote transmitter unlock transmission, the GEM will lock all the doors
    • The doors do not lock/unlock using the remote transmitter
    • Ignition switch.
    • GEM.
    • Remote transmitter.
    • Remote transmitter batteries.
    • GO to Pinpoint Test C .
    You followed the program instructions to the letter ? Programming -Keyless Entry Remote Transmitter NOTE: All keyless entry remote transmitters (15K601) must be programmed at the same time.
    NOTE: All previous transmitter identification codes (TIC's) will be erased when programming mode is entered.
    NOTE: To program (or reprogram) the keyless entry remote transmitters into the generic electronic module (GEM)(14B204), perform the following steps.
    1. Turn the ignition from OFF to RUN eight times within 10 seconds, ending in RUN. If the GEM has successfully entered program mode, it will lock and unlock all the doors.
    1. NOTE: The first TIC must be entered within 7.5 seconds of entering the program mode and additional TICs must be entered within 7.5 seconds of the first TIC. The programming mode is exited whenever the timing constraints are not met.
      Press any button on a keyless entry remote transmitter, and the doors will lock and then unlock to confirm that each keyless entry remote transmitter has been programmed.
    1. If the door locks do not respond for any keyless entry remote transmitter, wait for several seconds and press the button again.
    1. Turn the ignition switch to the OFF position, or wait up to five minutes after step 1, to exit program mode. If a keyless entry remote transmitter has been programmed (or reprogrammed), the GEM will lock and unlock all the doors one last time.
    1. Take an have the vehicle checked for DTC'S
B1396 Power Door Lock Circuit Short to Battery GEM GO to Pinpoint Test B . B1397 Power Door Unlock Circuit Short to Battery GEM

Apr 12, 2017 | Ford Mustang Cars & Trucks

1 Answer

We have a 2001 Ford Escape with a small problem. The remote key fob locks the doors and unlocks the doors but the lights don't flash anymore when you lock the door. The horn also won't honk after hitting...


I think you need to reprogram the module, you deleted the horn chirp and light flash confirmation. he dealer can reprogram for you.


Customer Preference Items NOTE: If using the WDS, select Module Configuration and Programming, then follow the screen prompts.
NOTE: Make sure module is listed as supporting customer preference items and supports the specific item to be configured in the Module Configuration Index in this section.
  1. Select Service Bay Functions on the diagnostic tool.
  1. Select the module that contains the customer preference item to be programmed. Refer to the Module Configuration Index in this section.
  1. Select Customer Preference Items on the diagnostic tool.
  1. Select Module Option Content.
  1. Select the item to be enabled or disabled.
  1. Enable or disable the item as necessary to reflect the customer preference.
------------------------------------------------------------------------

----------------------------------------------------------------------------
Principles of Operation
Power Door Locks
The generic electronic module (GEM) controls the power door lock and keyless entry system. Lock and unlock operation is achieved through the use of internal relays in the GEM. The relays are all door lock, all door unlock and driver door unlock. The normal path of the relays is to ground.
Pressing the door lock control switch to lock or unlock sends a ground signal to the GEM. The same GEM pin is used for unlock and lock input. The unlock signal is a direct connection to ground. The lock signal is altered by an internal resistor in the door lock control switch. This varied resistance identifies lock or unlock command to the GEM.
The door locks can also be controlled by the door key cylinder switches. For the liftgate door lock switch, turning the key to lock or unlock sends a ground signal to the GEM. The GEM will then ground the all door lock or all door unlock relay supplying voltage to the actuators. Turning the driver door key cylinder to the lock position sends a ground signal to the GEM. The GEM will then ground the all door lock relay supplying voltage to the actuators. Turning the driver door key cylinder to unlock sends a ground signal to GEM. The GEM will ground the driver door unlock relay and supply voltage to only the driver door actuator. If a second unlock ground is received within three seconds of the first, the GEM will ground the all door unlock relay supplying voltage to the passenger door actuators (if 2-stage unlock is equipped).
Keyless Entry
The keyless entry remote transmitter sends a signal that is received by the GEM internal antenna. Depending on the signal received, the GEM module will ground the appropriate internal relay and lock all doors or unlock the driver door. If the unlock signal is received again within three seconds of the first unlock, the GEM will ground the internal all door unlock relay unlocking all doors. The lock and unlock relay output to the actuators is controlled by the GEM, the same as power door lock operation from the control switch.
If the signal received is for the panic button, the GEM will cycle ground to the park lamp relay coil and horn relay coil. The park lamps and horn will continue to cycle until the panic button is pressed again or the ignition switch is turned to the RUN position, or after the timer expires.

Dec 17, 2009 | 2005 Ford Escape

1 Answer

I have a 2003 Ford Taurus it got wrecked on the driver side I had to replace the driver side door. When I replaced it the power windows on all the doors and dome light won't work now. Any help.


I think you may have lost communication with the GEM module. Only dealer can reestablish.
Generic Electronic Module (GEM) Removal and Installation
  1. s2h~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Prior to removal of the module, it is necessary to upload module configuration information to the appropriate diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
    s2h~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.
  2. ---------------------------------------------------------------------
Module Controlled Functions NOTE: Prior to removal of the generic electronic module (GEM), it is necessary to upload module configuration information to the diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
NOTE: Electronic modules are sensitive to electrical charges. If exposed to these charges, damages may result.
The generic electronic module (GEM) is the only multi-function module on this vehicle.
The GEM constantly monitors its subsystems for concerns. If a concern is found in one of the subsystems, the GEM will record the concern in the form of a diagnostic trouble code (DTC).
The ignition switch position is very important to the GEM functionality Erratic or unexpected GEM functions can often be traced to problems with these GEM inputs.
The GEM controls a variety of systems:
  • instrument cluster warning indication and chimes
  • interior courtesy lamp control
  • automatic headlamp control
  • daytime running lamps (DRL)
  • wiper and washer (front only)
  • heated rear window
  • one-touch down power window
  • delayed accessory
  • power door locks (including SMART, autolocking and luggage compartment lid release)
  • remote keyless entry
  • perimeter anti-theft

Mar 06, 2009 | 2003 Ford Taurus

1 Answer

I need installation directions for installation of a gem module


here it is but you must have it configured.

Generic Electronic Module (GEM) —Generic Electronic/Central Timer (GEM/CTM) Removal
NOTE: The GEM must be reconfigured upon replacement. Refer to the scan tool help screen on the Ford Service Function (FSF) card to program tire size and axle ratio.
  1. syo~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Electronic modules are sensitive to electrical charges. If exposed to these charges, damage may result.
    Disconnect the battery ground cable. For additional information, refer to Section 414-01 .
  2. syo~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Use care when removing the instrument panel steering column cover (044F08) or damage to the cover locating tab may occur.
    Remove the instrument panel steering column cover.
    1. Unlock the retainers.
    1. Remove the instrument panel steering column cover.
  3. Disconnect the bulkhead connectors from the instrument panel fuse junction panel.
    1. Loosen the bolts.
    1. Disconnect the bulkhead connectors.
  4. Position the instrument panel fuse junction panel aside.
  5. Remove the nuts.
  6. Remove the bolts.
  7. Remove the generic electronic module/central timer module (GEM/CTM).
    1. Disconnect the electrical connectors.
    1. Remove the screws.
    1. Remove the GEM/CTM.

Feb 20, 2009 | 2000 Ford F250 Super Duty Crew Cabs

1 Answer

2005 FORD ESCAPE


it's by the gas pedal.

The multifunction module consists of the generic electronic module (GEM).
The GEM controls the following features:
  • interval rear window wiper
  • battery saver
  • illuminated entry
  • headlamp control
  • interior lamp control
  • power door locks
  • remote keyless entry (RKE)
  • accessory delay
  • perimeter anti-theft system
  • door ajar output control
Generic Electronic Module (GEM) 2003 escape Removal and Installation
  1. NOTE: Prior to removal of the GEM, it is necessary to upload module configuration information to a diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
    Disconnect the battery ground cable. For additional information, refer to Section 414-01 .
  1. Remove the pin-type retainer and the lower shield.
6897dd8.gif
  1. Position the RH and LH carpet aside from the center tunnel.
  2. Disconnect the GEM electrical connectors.
29785c6.gif
  1. Remove the GEM
    1. Pull back the insulation and remove the nuts.
    1. Remove the GEM.
  2. To install, reverse the removal procedure.
    • Configure the GEM. Refer to Section 418-01 .

Feb 06, 2009 | 2003 Ford Escape

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