DTC B18A1: BSI Control Unit Internal Circuit Error
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.
- Clear the DTCs with the HDS (see General Troubleshooting Information .
- Turn the ignition switch to ON (II), then wait for 10 seconds.
- Check for DTCs with the HDS (see General Troubleshooting Information
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Is DTC B18A1 indicated?
YES -Replace the BSI control unit .
NO -Intermittent failure, the system is OK at this time.