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Old 08-03-2016, 11:21 AM
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Question malfunction indicator light on!

Hi all,

I am fairly new to the post. I need some help. I have a 2012 Jeep grand cherokee Laredo with about 55,000 miles on it 4x4 by the way.

And i noticed on 8/1/2016 my malfunction indicator light luminated on my way home. So i stopped by an autozone and they gave me a code of P0128 - for the coolant thermostat. So my husband went ahead and replaced the Thermostat sensor and the thermostat and the malfunction light is still on!!! What do i need to do , is there something i missed to change .... will this light go off? Or if anyone has had a similiar issue, please let me know how you resolved the problem. I have to keep watching my temp gauge to make sure my temp dont rise.

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