Buick Regal: Forward Range Radar Module Inspection

Inspection Procedure

1.

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.

2. Check the alignment of the forward range radar module (1). The forward range radar module has to be aligned vertically and parallel to the front bumper impact bar.

3. Inspect all studs (2) for proper seat. If damaged, replace the bracket. Refer to Forward Range Radar Bracket Replacement.

4. Inspect the forward range radar module bracket (3) for paint cracks and deformations. Do NOT repair any cracks or misalignments. If damaged, replace the bracket. Refer to Forward Range Radar Bracket Replacement.

5. Inspect the forward range radar module (1) for paint cracks, scratches and deformations. Do NOT repair any cracks, scratches or misalignments. If damaged, replace the module. Refer to Forward Range Radar Sensor Replacement.

6. Inspect the wiring harness plug and the terminal of the forward range radar module for any damage.

7. Check the front bumper fascia energy absorber for damage and misalignment. Replace the front bumper fascia energy absorber if necessary. Refer to Front Bumper Fascia Energy Absorber Replacement.

8. When installing the front bumper fascia ensure that absolutely no objects (e.g. Wiring harness, Snow, Sticks) are in front of the forward range radar module and between the forward range radar module and the front bumper fascia.

FORWARD RANGE RADAR BRACKET REPLACEMENT

Preliminary Procedure

Forward Range Radar Sensor Replacement.

1. Forward Range Radar Bracket Bolt [5x]
   CAUTION: Fastener Caution
   Tighten 9 N.m (80 lb in)
2. Forward Range Radar Bracket
   Procedure
   Reposition the wiring harness.

FORWARD RANGE RADAR SENSOR REPLACEMENT

Preliminary Procedure

Front Bumper Fascia Replacement.

1. Forward Range Radar Sensor Nut [3x]
   CAUTION: Fastener Caution
   Tighten 9 N.m (80 lb in)
2. Forward Range Radar Sensor
   CAUTION:
   Do NOT apply paint to the Forward Range Radar Module. Always cover the module before applying paint or other coatings in the area around the module. Failure to protect the module may result in reduced functionality of the module.

   Procedure

   1. Disconnect the electrical connector.
   2. Control Module References for programming and setup information, if required.

ACTIVE SAFETY CONTROL MODULE REPLACEMENT

Preliminary Procedure

Rear Compartment Side Trim Replacement - Left Side (5-Door Wagon 35) Rear Compartment Side Trim Replacement - Left Side (Hatchback) - Reposition.

1. Active Safety Control Module
   Procedure
   1. Disconnect the electrical connectors.
   2. Release the locking retainer from the active safety control module bracket.
   3. Perform the necessary programming and setup procedure: Control Module References

FORWARD COLLISION ALERT DISPLAY REPLACEMENT

Preliminary Procedure

Forward Collision Alert Display Bezel Replacement.

1. Forward Collision Alert Display Bolt
   CAUTION: Fastener Caution
   Tighten 2.5 N.m (22 lb in)
2. Forward Collision Alert Display

SIDE OBJECT SENSING ALERT MODULE REPLACEMENT

Preliminary Procedure

Rear Bumper Fascia Replacement (5-Door Hatchback 68) Rear Bumper Fascia Replacement (5-Door Wagon 35).

1. Side Object Sensing Alert Module Bolt
   CAUTION: Fastener Caution
   Tighten 2.5 N.m (22 lb in)
2. Side Object Sensing Alert Module
   Procedure
   1. Disconnect the electrical connector.
   2. Release the tab retainers and slide the module out of the retaining bracket.
   3. Control Module References for programming and setup information, if required.

FRONT VIEW CAMERA REPLACEMENT

Preliminary Procedure

Windshield Multifunction Sensor Mount Bracket Cover Replacement.

1. Front View Camera
   Procedure
   1. Gently depress top center tabs on bracket to release camera.
   2. Disconnect the electrical connector.
   3. Control Module References for programming and setup information, if required.

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