CMBS Initial Check
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
The ACC unit turns on the CMBS indicator if the CMBS initial check is not completed.
NOTE:
For proper CMBS operation, if the ACC unit or the VSA modulator-control unit is replaced, do the CMBS initial check incomplete troubleshooting (DTC 100)