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Russ Swift

2016 GMC Yukon XL Denali Service Park Assist & Tail,Light

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Received Service Park Assist msg, assume it’s a bad sensor.  However, right tail light went out at the same time, not all lights, but brake and LED side lights are out.  Any suggestions?  Both at the same time a coincidence (I don’t believe in coincidence)?  Possibly a fuse or relay?  Thanx for any advice in advance.  Not looking forward to a $300+ tail light assembly replacement.  

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2 hours ago, Russ Swift said:

Any suggestions? Possibly a fuse or relay?  Thanx for any advice in advance. 

4 Fuse boxes on these trucks, look in the Engine compartment fuse box.  Start with fuses or relay 34, 42, 49, and 51.  Near each other in a grouping.

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Checked, all good.  Park Assist came back on either after checking these fuses of simply wiping off the sensors.  Tail light still which I think is the normal problem with these lights, broken circuit connection.  Expect I will have both repaired/reinforced at the same time and minimize down time.  Thanx for the suggestion/info.  Stay safe.

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