. . sorry the other Volvo threads are closed

Then I happened to find this auction, well it really isn't an auction as it is just a "but it now" item on eBay.  Search eBay for item 370278816099, or search for Wabco S4461062010.

After talking a few times with the Wabco help desk, they confirmed that this is the part I needed as long as I didn't have ESC, and I had a frame mounted ECU.

Wabco wouldn't recommend that I do this myself, "tampering with safety features", Blah Blah Blah . . .

I do not have the ability to jury rig in place the extra sensors and modulators here in my winter home at Retama, but 400 bucks won't hurt as badly as $1000-$1200 Volvo was quoting.

But I will report back in this thread how it works out for me, as I did not get a clear answer from Volvo if I will still need further program changes in the truck ECU after swapping out the ABS ECU.

Dang, they have a whole dang medium duty DPF for $200 on there.   That's only like an $11,000 savings

I have not been to Volvo for any programming (yet) but I do have one minor issue that appeared after singling, and still is not functioning.

The cruise control is still not working.  It worked fine before singling, and I "assumed" that it was not working due to the ABS fault.

Still need to get it over to Volvo to get connected (and possibly reset) to see what is up with the cruise control.

But right now, I am happy with my 399 dollar purchase of this ABS controller.

Also Kevin @ K and S LLC says he Has many more of these 4S/4M units in stock (plus he also has an assortment of Jakes in stock)

The Volvo directions should be on the back of the visor.  The two trucks I singled were Meritor and they just needed the module hooked up and we cleaned the sensors just for precaution, and had no trouble getting ABS
Jim

No stickers on the truck visors, but I did know about the 4 second thing, just took it out in the dark for another test, and cruise is not working.  I have a couple of other instrument cluster errors, so it is time to have it looked at by the Stealer!!

Plus I would like to have the 65 MPH speed governor removed. (not that I expect to go over 65 often, but I think I should be able too!)
Doug

If X1 (black) and X2 (green connectors) on your ABS controller have 18 pins, you have ESC. 12 Pins on these connectors and you don't have ESC

Time to check the manual again

From what I can tell we need the S446 106 2030 instead of the S446 106 2010.  What I don't know is if the 2010 will work.  I really don't need the TCS but without the proper ECU the whole thing might not work right.  I don't know.  Maybe someone who understands these things will chime in.

I would love to learn that my 6S/6M Meritor-Wabco 446 106 209 0 ECU can be reconfigured to be a 4S/4M like the Meritor-Wabco 446 106 203 0, but I fear that it cannot.

The 446 106 201 0 mentioned a few posts earlier appears to indeed be a 4S/4M unit, but without "PLC" and "ATC".  I'm not sure that "PLC" is important, because I think it has something to do with communicating with the trailer's ABC.  Since my trailer doesn't have an ECU for ABS, I don't think I need PLC.  But "ATC" is another matter.  It may well be required for cruise control for all I know.

Oddly, Meritor Wabco apparently told my mechanic that I needed a 446 106 200 7. I've not been able to find this part, and I think it might be a mistake.

Questions for those who've walked here before:

1) Can the ECU really be reconfigured/reprogrammed from a 6S/6M to a 4S/4M?  Some threads seem to imply so, but I've not been able to find reference to it in a manual anywhere.

2) My DID tells me that my brake ECU's part number is 446 106 209 0. However, the label on the ECU calls it a 4008500730.  I can't find reference to that part anywhere. Odd.  All input appreciated.

3) Any thoughts about giving up ATC?  I'd rather not give it up, but the best quote so far from Volvo for the replacement ECU is about $1000 (down from list price of $1700, apparently).  The eBay auction at $399 sounds much better, but those units don't have ATC.

4) Any bright ideas about where to find a used 4S/4M with ATC?

Ahh, the dark side
Dan

I called and spoke at great length to the folks at Meritor/Wabco and reprogramming is not an option.

The only thing that is important is that when your guys moved up the rear axle, they kept the electrical connections for the sensors and power modulators connected to the rear axle.  When you install the 4m/4s the
middle axle wiring is no longer connected to the truck. (I left all my wires in place, just black taped up the ends)

Dan
It took me about 45 minutes to swap out the modules.  Remove the battery fairing, crawl under in between the tank and batteries, look up into the frame crossmember about the transmission, and you will find the ABS module. (it is about 8 inches by 8 inches wide, and about 2 inches deep, black box)  Next, started up the truck, cleared all the old errors, and the ABS light was off!  The next morning after I made the swap, we had a light rain (perfect condition to test the ABS) I did not have the trailer on the truck, so the rear was VERY light, and the ABS worked perfectly. Panic stop at 45 (on an empty road) and I stopped quick and STRAIGHT! not a single brake locked up!  Our trucks are pretty much the same, so I am sure this is where you will find your module located.

In case his auction for these modules is no longer up on Ebay, his company is K & S Trading LLC.  I dealt with Kevin Lockhart.  If you can't find his company, let me know, and I will send you his email address (I don't want to post his email without his permission)