Chevrolet Trax: Rear object alarm control module replacement

Fig. 8: Rear Object Alarm Control Module

Rear Object Alarm Control Module Replacement

FRONT OBJECT ALARM SENSOR HOUSING REPLACEMENT

1. Remove the front fascia. Refer to Front Bumper Fascia Replacement (Trax) , Front Bumper Fascia Replacement (Encore) .

Fig. 9: Identifying Rear Object Sensor Housing

2. Disconnect the sensor harness.
3. Remove the sensor from the sensor housing.

The sensor housing must be painted if replaced. If reinstalled, painting will not be necessary.

Fig. 10: Sanding/Grinding Sonic Weld Plastic Residue From Fascia

NOTE: Do Not grind off alignment tabs.

4. Sand/grind sonic weld plastic residue from the fascia.

Fig. 11: Applying Structural Adhesive Epoxy To Fascia

5. Apply structural adhesive epoxy, Lord Fusor 127EZ or equivalent, to fascia at mating surface.

Fig. 12: Identifying Sensor Housing & Tabs

6. Using the alignment tabs, install the sensor housing to the fascia.
7. Allow adhesive to cure according to manufacturer's directions.

Fig. 13: Identifying Rear Object Sensor Housing

8. Install the sensor to the sensor housing.
9.  Connect the electrical harness.
10. Install the front fascia. Refer to Front Bumper Fascia Replacement (Trax) , Front Bumper Fascia Replacement (Encore)

FRONT OBJECT ALARM SENSOR WIRING HARNESS REPLACEMENT

Fig. 14: Front Object Alarm Sensor Wiring Harness

Front Object Alarm Sensor Wiring Harness Replacement

REAR OBJECT SENSOR WIRING HARNESS REPLACEMENT

Fig. 15: Rear Object Sensor Wiring Harness

Rear Object Sensor Wiring Harness Replacement

REAR PARKING ASSIST ALARM SENSOR REPLACEMENT

Removal Procedure

Fig. 16: Identifying Rear Object Sensor Housing

1. Remove rear bumper fascia. Refer to Rear Bumper Fascia Replacement .
2. Disconnect electrical from the rear object sensor.

NOTE: The rear object sensor is a one piece design. Do NOT twist the sensor cap to try and remove the painted cap. Replacement sensor requires painting to match fascia/bumper body color.

3. Lift the locking tabs on the housing and remove the rear object sensor.

Installation Procedure

NOTE: Do not refinish previously painted sensors. Excess paint build up will cause the sensor to be inoperative.

1. Paint the rear object sensor. Refer to Basecoat/Clearcoat Paint Systems .
2. Ensure the paint does not exceed 6 mils. Use a paint thickness gauge suitable for non-ferrous metals.

   Refer to Paint Gauges .

Fig. 17: Identifying Rear Object Sensor Housing

NOTE: Ensure the silicone decoupling ring is installed on the sensor to avoid sensor failure.

3. Insert the sensor into the housing.
4. Connect the electrical connector to the rear object sensor.
5. Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement .

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