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Pedestrian Impact Detection Sensor Replacement - Front Upper Beam

Fig 1: Pedestrian Impact Detection Sensor - Front Upper Beam

GM4256305

Courtesy of GENERAL MOTORS COMPANY

Callout

Component Name

Preliminary Procedures

Disable the system. Refer to Pedestrian Impact Detection System Disabling and Enabling
Front Bumper Fascia Replacement (Without UV3)Front Bumper Fascia Replacement (With UV3)

1

Pedestrian Impact Detection Sensor

Procedure

Disconnect the electrical connector.
Carefully remove the pedestrian impact detection sensor from the front bumper fascia energy absorber.
Enable the system. Refer to Pedestrian Impact Detection System Disabling and Enabling

NOTE:

Inspect the absorber / EA foam for any cracks or damage and inspect pedestrian sensor tube for any cuts or puncture holes.
Replace front bumper fascia or sensor system if any damage is found. This can cause faulty readings with the pedestrian impact sensor.
The pedestrian sensor is a press fit into the absorber.