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June 28, 2017 Service bulletin

Park Assist ECU (WK & RU) The

Jeep technical service bulletin 9003733 for 2016-2017 Jeep Grand Cherokee and 2017 Chrysler Pacifica.

Bulletin number
9003733
Component
Electrical system: software
Summary
Park Assist ECU (WK & RU) The customer may describe that if the park assist system is ON, pressing the LED button will not turn the system OFF. The customer may also experience a flicker in the graphics or chimes. If the park assist system is OFF, pressing the LED button will not turn the system ON. When this happens the park assist feature is disabled. If the issue detailed above is what you are seeing, reflash park assist module to newest software as per the latest Service Bulletin available.

Owners of these vehicles have filed 546 complaints in the electrical category.

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