DTC : B2A00-F8

DTC B2A00-F8  : ACC Brake Control Temporarily Prohibited

NOTE: 

• This DTC is stored when the VSA temporarily prohibits use of the ACC automatic brake because of excessive operation of the automatic brake.
• If DTC U0122-00 is stored at the same time as DTC B2A00-F8, troubleshoot DTC U0122-00 first, then recheck for DTC B2A00-F8.
• Before you troubleshoot, review the general troubleshooting information - Refer to:

  How to Troubleshoot the Adaptive Cruise Control (ACC) (2016 2017 2018) or

  How to Troubleshoot the Adaptive Cruise Control (ACC) (2019 2020 2021) .

1. VSA system DTCs check

   - 1. Turn the vehicle to the ON mode.

   - 2. Check for VSA system DTCs with the HDS.

   DTC Description	DTC	Freeze Frame

   Are any DTCs indicated?

   YES 

   Go to the indicated DTC's troubleshooting How to Troubleshoot the VSA System .

   NO 

   Go to step 2.

2. Problem verification

   - 1. Clear the DTC with the HDS.

   Clear DTCs

   - 2. Turn the vehicle to the OFF (LOCK) mode.

   - 3. Start the vehicle and test-drive it at 25 mph (40 km/h) or more with the ACC activated.

   NOTE:  Drive the vehicle on the road, not on a lift.

   - 4. Check for DTCs with the HDS.

   Is DTC B2A00-F8 indicated?

   YES 

   Check for loose terminals and poor connections in the multipurpose camera unit 20P connector. If they are OK, replace the Multipurpose Camera Unit .

   NO 

   Intermittent failure, the system is OK at this time. Go to intermittent failures troubleshooting - Refer to:

   How to Troubleshoot the Adaptive Cruise Control (ACC) (2016 2017 2018) or

   How to Troubleshoot the Adaptive Cruise Control (ACC) (2019 2020 2021) .

   If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.