what is abs codes
The MUTT can be used to access ABS Blink Codes on trailers equipped with ABS. systems. Trailers equipped with ABS feature an ABS Control Unit (ECU) which. detects any electrical fault in the trailer ABS. Most trailers with ABS will also have a. dedicated ABS lamp on the driver side. Each fault has a code. When a fault occurs, the ECU stores the code for that fault in its memory. This fault code will be displayed on the trailer ABS lamp when the proper access sequence is engaged. ACCESSING ABS BLINK/FAULT CODES. The MUTT provides a quick method to trigger ABS blink codes without a tractor