• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
• Review Strategy Based Diagnosis for an overview of the diagnostic approach.
• Diagnostic Procedure Instructions provides an overview of each diagnostic category.

The B233B Radar Sensor Module – Long Range could not auto align properly as a result of the module being out of position. After alignment calibration process has begun, the B233B Radar Sensor Module – Long Range will attempt to align itself for approximately 30 minutes of driving time.

• Module alignment procedure started.
• Vehicle operating on the road.

The module was unable to complete alignment process within approximately 30 minutes of drive time.

• The module is disabled.
• Active Safety System is disabled.
• Service Driver Assist displayed on the driver information center and/or heads up display.

The module is successfully aligned.

• The B233B Radar Sensor Module – Long Range needs to be securely mounted. Verify it is secured properly in it’s mount.
• The B233B Radar Sensor Module – Long Range can be aligned on the same alignment drive as the K109 Frontview Camera Module.

Object Detection Schematics

Component Connector End Views

Active Safety System Description and Operation

• Circuit Testing
• Connector Repairs
• Testing for Intermittent Conditions and Poor Connections
• Wiring Repairs

Control Module References for scan tool information

1. Ignition ON.
2. Verify there are no DTCs set, except for DTC B101E 4B in the B233B Radar Sensor Module – Long Range or K109 Frontview Camera Module.
• If other DTCs are set

  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .

• If no other DTCs are set

  Perform the calibration procedure. Refer to Radar Sensor Module - Long Range Learn.

3. Verify DTC B390C 66 is not set
• If DTC B390C 66 is set

  Replace and calibrate the B233B Radar Sensor Module – Long Range.

• If DTC B390C 66 is not set
4. All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for control module replacement, programming, and setup.