ASC Light is On

[Manolito]

'97 328i 231k miles

Just put on a fresh water pump and thermostat and hoses, along with a new PVC valve, oil drain hose, and a new power steering hose.

After this work - the ASC light was on. Have gone through three start sequences and driven several miles and it is still on.

The ABS light is not on, so I am guessing it is not a wheel sensor or lead.

Checked the three ASC fuses. All OK.
ASC throttle cable is in place and appears properly adjusted.
Electrical connectors on the ASC throttle and stepper motor look nice and clean.

I am completely out of ideas.

If I knew where the ASC control module was located, I have another '97 e36 loaner car that I can swap parts from, though the other e36 is an automatic, so the ASC control may not be identical.

Anyone have any other ideas? Know where the ASC control module is located?

Thanks!