Collision Mitigation Braking System (CMBS) Symptom Troubleshooting Index (CMBS)

WARNING: This page is about a different variant/trim than selected.

Symptom	Diagnostic procedure	Also check for
CMBS OFF switch does not turn On/turn Off (CMBS indicator does not change)	Do the gauge control module self-diagnostic function . Test the CMBS OFF switch .	An open or increased resistance in the wire A short in the wire
The MID does not indicate when the CMBS OFF switch is operated	Do the gauge control module self-diagnostic function . Test the CMBS OFF switch .	An open or increased resistance in the wire A short in the wire
The buzzer does not sound	Do the gauge control module self-diagnostic function .
The buzzer does not sound when the CMBS OFF switch is operated	Do the gauge control module self-diagnostic function .
The MID does not indicate with the CMBS operating	Do the gauge control module self-diagnostic function .
The CMBS operates frequently	Check the millimeter wave radar installation . Check the front grille for warpage. Check the wheel alignment .	Driving conditions, weather, environmental influence
The CMBS operated without danger of collision	Check the millimeter wave radar installation . Check the front grille for warpage. Check the wheel alignment .	Driving conditions, weather, environmental influence
The CMBS did not operate	Check the millimeter wave radar installation . Check the front grille for warpage. Check the wheel alignment .	Driving conditions, weather, environmental influences Undetectable environment
CMBS indicator (on the MID) does not come on	Do the gauge control module self-diagnostic function .
CMBS indicator (on the MID) does not go off	Symptom troubleshooting .