Driver side rear locks on heavy braking

[Un1que]

Finally got some time to drive the car today. Everything going great until I hit the brakes real hard and the rear driver wheel locked up completely. I slid along for a bit, tried taking my foot off the brake and then applying again but it did not unlock until came to a complete stop. Then everything felt fine. Tested it again on another straight length of road and exactly the same thing happened. Went back to check and there is only one wheel left a skidmark.

Took the caliper off and everything looks good- piston moves in and out fine, caliper body not seized, pads look good.

Did not see any asr/dsr/dsc/abs lights on the dash.

No codes afterwards.

Stumped, suspect DSC delete but haven’t taken a look at the write-ups yet.

Open to ideas.

Oh - and now I cant pull it out of the garage, I can’t get it into reverse, even with the engine off. Sheesh.

[Un1que]

On further inspection it looks like the rear sway bar is in contact with the control arms. That’s not right, I wonder whether the setup is all wrong. Also maybe possible the e brake cable is being bound up when the suspension unloads during braking. Proper inspection this weekend. More to come

[Un1que]

Update. PO had changed rear pads only to Hawks (front still stock). Installed stock rear brakes yesterday.

As for the ASR/ABS - I found that fuse F53 was missing. So I installed one in that socket (the socket has connectors, I assume a fuse is supposed to be there). There is a road I use that often has gravel spilloff from people's driveways. There are a couple turns where the car will skip sideways an inch on gravel, and now on those turns I see the warning triangle on the dash. Never saw that light before on this particular road. So.. I'm hopeful that this is the problem. Looking to find a stretch of safe road to do some brake lockup / ABS testing.