LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Object Detection System) >> Repair Instructions >> Forward Range Radar Module Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Forward Range Radar Module Inspection

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement .
  2. Fig 1: Forward Range Radar Module
    GM3330003Courtesy of GENERAL MOTORS COMPANY
  3. CONTROL MODULE DTC CHECK - Using a scan tool, perform the Vehicle DTC Information function - Verify there are no current control module DTCs set. If any DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
  4. Inspect the forward range radar module (4) for vertical alignment. Refer to Forward Range Radar Module Alignment .
  5. Check the 3 ball sockets (5) for fixed seating. If the ball sockets are damaged replace the ball sockets.
  6. Inspect all studs (1) for proper seat. If damaged, replace the bracket. Refer to Forward Range Radar Module Replacement .
  7. Inspect the forward range radar module bracket (2) for paint cracks and deformations. Do NOT repair any cracks or misalignments. If damaged, replace the bracket. Refer to Forward Range Radar Module Replacement .
  8. Inspect the wiring harness plug (3) and the terminal of the forward range radar module for any damage.