Reading and Clearing Diagnostic Trouble Codes
The Control unit used in this Anti-Lock brake system does not have On-Board Diagnostic capabilities and, consequently, does not store diagnostic trouble codes (DTC's)!Troubleshooting should be conducted using the tools and technics provided under "Finding the Problem!". Be sure to review "BMW (ABS) Diagnostics" and "Checking the Basics" for other important information regarding testing this system.
BMW (ABS) Diagnostics
Checking the Basics
Finding the Problem!