CMBS Off Switch Does Not Turn on/Turn Off (CMBS Indicator Does Not Change) (With ACC/CMBS)

CMBS OFF switch does not turn on/turn off (CMBS indicator does not change)

Diagnostic Procedure:

1. Adaptive cruise control (ACC) system troubleshooting (No DTC Indication). Adaptive Cruise Control (ACC) System Troubleshooting (No DTC Indication) (With ACC/CMBS)

2. Test the CMBS OFF switch. CMBS Off Switch Test/Replacement (With ACC/CMBS)

3. Do the gauge control module self-diagnostic function. How to Troubleshoot the Gauges and Indicators

Also check for:

- An open in the wire
- A short in the wire