So a few questions..

Either way appreciate the info even if its telling me to RTFM!

ABS can just swap - and bleed correct?
Don't need some firmware garbage like one shop says they have to be "Reprogrammed" to the vehicle
Nothing I've read says ECU/CAN has to be reprogrammed on D2 - just bled properly

Pins to short to bleed
- haven't found anything to say which pins exactly to cross... Everyone says rave manual but figure Someone might know here the right pins without going through that huge document and re-reading wiring schematics that make my head spin (but will)

- Wheel speed sensors replaced - yet still have something wrong there
front timkin hubs with sensors think they're ok
- rears just replaced to see if it helps and darn thing activating while accelerating
- oops not quire right there unplugged ABS harness to drive now as its not throwing the 3 amigos just trying to stop the truck!

bought cheap replacements for the rear ... think those are junk - easy enough to put originals back in though.
(below shows new codes from rear sensors - possibly didn't get plugged in good)


- ABS Unit -
figure a shuttle valve repair would have done the trick however figured buy a spare unit - get it rebuilt - Done
then swap and have the original rebuilt as well ready to go at worst have fresh shuttle valve ready but they've been fixed so shouldn't be an issue.

Codes Currently on the unitAmigo Tool Codes

1.--Current Faults---->
Active Faults:
114:Shuttle Valve Electric Failure
Logged Faults:
045:Rear Left sensor output low
047:Rear Right sensor output low
075:Rear Right out valve short to supply
Rear Left Sensor Bad Output
114:Shuttle Valve Electric Failure
<-END Faults
------------------------------------------------------------
* *
------------------------------------------------------------
..--Previous Faults--->
Active Faults:
114:Shuttle Valve Electric Failure
Logged Faults:
065:Rear Left sensor electric fail
067:Rear Right sensor electric fail
075:Rear Right out valve short to supply
114:Shuttle Valve Electric Failure
<-END Faults
------------------------------------------------------------
* Prior to Rear Sensors being replaced *
------------------------------------------------------------
..--Previous Faults--->
Active Faults:
114:Shuttle Valve Electric Failure
Logged Faults:
114:Shuttle Valve Electric Failure
<-END Faults

--- If Disco Mike still around ---
Moving to your state if still in Co - been years since I've posted over here
SCLR been fun but wife saying she may not let me keep my D2 for the move... grrr...

 

Yes as far the pump body replace and bleed, but you need to power bleed. Search for D2 brake bleeding there is post with images of the relay and how to wire it up.

 

Dear God.

Why replace the modulator when the codes don't indicate a problem with the modulator?

Just do Option B and then address the sensor codes. Most often the sensor faults are due to a bad connector that can also be bypassed.