DTC 11: Control Unit
WARNING: This page is about a different car, the 1995 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
Check ABS control unit connectors and wiring harness for damage. See appropriate WIRING DIAGRAM . Ensure a good ground exists at ABS control unit ground terminals No. 28 and 29. See Fig 1. If connectors, wiring harness and ABS control unit ground terminals are okay, replace ABS control unit.