LHD (left hand drive) Grande has a problem with OBD2 port access (especially during extensive diagnosis, data logging during test drive).
Body Computer / OBD access panel needs to be removed (but in LHD countries the LPG switch is often located there).
Plus, those locks/clips, posts, whatever, are easy to break. Typical Grande (one is missing)...
00_Broken_latches_OBD_and_Body_cover.jpg

Factory location, placement of the diagnostic port is stupid, annoying.
Most cars have easy access (port is under the dashboard, you don't need to open/remove panels, covers).
So let's move it somewhere else... Start with drilling out the rivets (original bracket/mount).
01_Drill_out_the_rivets.jpg

Now, there is more room for work (Body Computer, fuses)... Now you can put both hands there.
02_ODB_bracket_removed.jpg

If you can't finish the modification, put the OBD bracket like that. Temporary position.
03_Temporary_placement.jpg

Get to the point "mate". New location is the front, driver's side pillar, "kick panel", just above the hood/bonnet handle. There is a perfect spot, rectangular.
Port needs some reinforcement, you can't just put it into the plastic panel. Use old bracket as a template to cut (drill, file) the new piece of steel sheet (picture).
Must be thinner than original (otherwise OBD port won't fit, will not "click" into place), about 0,5-1,0 mm thickness will be OK. This new mount must be secured to the plastic panel using 4 small bolts (M3 or M4 max.). Tap through the plastic+metal, nuts are just addition (there is not enough room to put all 4 nuts, only 2 or 3 will fit).
04_Reinforcement_thin_sheet.jpg

There is one small problem. Now, the OBD2 port will obstruct the way to the screw. Original is a phillips. Replace with allen or hex. And shorter one.
05_Allen_bolt_nightmare_to_install.jpg

But the interface will fit, no problem (regardless of what type of screw is there - and how it was installed). Now you can Diagnose a car.
06_But_interface_fits_OK.jpg

Screw swapped (now it's a hex head, easy to undo with a small spanner wrench, this one is 7 or 8 mm).
Tip: place the screw into the panel's hole first and then install the OBD port in the panel. Order of operations.
07_Hex_head_bolt_and_shorter.jpg

Obviously the length of the wires is sufficient, you can move the port around in that area, no worries.
08_CloseUp_at_the_left_front_pillar.jpg

Nice touch, final touch-up: add some sticker, tag ("OBD" or "CAN"), so maybe someone will spot the port before he rips the panel out (and it's second clip).
09_OBD2_ELM327_fits_well.jpg

Easy mod., nothing to write home about. But makes a difference.

RHD owners, what's the situation in your case? Is OBD easier to access and use (original spot) or not (mod. like that would help too)?
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