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Lin Bus U1501 , U1510

Juan Diagnostician Mexico Posted   Latest  
Question
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2018 Chevrolet Colorado LT 3.6L (N LGZ) 6-spd (6L50)
U1501
U1510

The check engine warning light comes on when the truck is started and the fault code is not cleared. The fault began when they installed a GPS and I disconnected the GPS and continues to throw the problem. I hope and support me with some data or advice how to diagnose 

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Tyler Technician
Nova Scotia
Tyler Default
 

Are those codes setting in any other modules? The only thing on the lin bus from the pcm is the active grille shutters.

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Tyler Technician
Nova Scotia
Tyler Default
 

I would try bidirectional controls to the grille shutter see if it moves. I have a case study on a 17 Silverado that may help you. diag​.​net/msg/m6nlb3xosw…

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Juan Diagnostician
Mexico
Juan Default
 

Thank you very much if it turned out to be the active grille shutter actuator . AND In the photo the x105 connector is disconnected there is the graph with an oscilloscope

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Tyler Technician
Nova Scotia
Tyler Default
 

Your welcome glad to hear!

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Scott Owner
California
Scott Default
 

Hi Juan, Can you post the VIN number? There are 3 options for 2018 Colorado's in SI. The other questions I have - The Check Engine MIL is on? What "P" DTC is stored? Have you checked for DTC's across the "networks'? What are you using for a scan tool and do you have access to another tool?

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Juan Diagnostician
Mexico
Juan Default
 

If I turn on the warning light of the check engine u1501 -u1510 but already checking the diagrams the problem is in active shutteractuator is putting the lin bus line short

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