GEM swapping - if so, you don't need to program PATS. Only IC and PCM are involved into PATS on Focus Mk2. However, you would probably need to transfer configuration from old GEM to new one (or load AB data from Motorcraft site), and program your keyfobs to the new GEM. The GEM module/fuse box of the Focus MK2/MK2.5 is basically a computer controlled (CANbus) fuse box. This is a very sensitive part. Water ingress or incorrect connecting of accessoires (for example the wiring of a towing hook) are known causes of a defective GEM module/fuse box. I am not surprised if it has been replaced for such a reason. 1. Lack of power even when the key is inserted. This indicates that the car becomes completely dead and can not start. This is a major problem and the first symptom of problems with the power relay. 2. The engine won’t start. The other symptom of a bad Gem module is that the engine won’t start. When you see this, it could mean that the car Brian Holdsworth. Contributor 8 Answers. Posted on Sep 29, 2015. You would need a good scan tool to reset the GEM , Fords are notorious for gem module issues .You can see all data and clear codes but most of the issues are related to water getting into fuse panel under dash between the gem and fuse panel terminals . 5. Rotate the emergency mechanical key to position 0. 6. Remove the emergency mechanical key from the ignition lock cylinder. The keyless vehicle module is now in passive key diagnosis mode. The module will remain in diagnosis mode for 30 seconds or until the ignition lock cylinder is rotated to position II. . Posted October 7, 2013. I retrofitted the PTC heater system to my Focus MK2 with manual A/C. For the PTC heater system you will need a different type of heater control panel which has an additional microswitch (and some components) on the circuit board. The standard heater control panel does not have this microswitch. 34 posts · Joined 2010. #10 · Dec 9, 2018 (Edited by Moderator) I found the GPSM module behind the drivers A Pillar exactly next tot eh dashboard. You can access it by removing the A Pillar trim and then you will find it attached to the dashboard. (Unplugging it solved the jumping compass problem). The GEM module is mounted on top of the interior fuse box with 3 screws. You will need to remove the fuse box and GEM together as an assembly to inspect it. Remove the two large bulkhead connectors on the back of the fusebox, (they are bolted in place with a long 10mm headed bolt), remove the two nuts and two bolts securing the fusebox, slide Brian Holdsworth. Contributor 8 Answers. Posted on Sep 29, 2015. You would need a good scan tool to reset the GEM , Fords are notorious for gem module issues .You can see all data and clear codes but most of the issues are related to water getting into fuse panel under dash between the gem and fuse panel terminals . My Amazon Affiliate links: Automotive Fuse Set:

ford focus mk2 gem module location