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I have a 2015 Yukon. Engine starting today was abnormal

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I have a 2015...

I have a 2015 Yukon. Engine starting today was abnormal until finally the engine would not star. The starter solenoid or starter relay chattered the first 3 times I tried to dart it. The instrument panel stated "low battery" & "start engine". Tried to jump start the engine. No luck. Disconnected the battery positive terminal, and connected battery to supplemental battery. No spark when connecting to supplemental battery which to me would indicate the battery was charged. When I reconnected the battery positive terminal, the vehicle started, and all indications were OK. Can you give me an idea about what is going on?

Mechanic's Assistant: How old is the battery? And have you tested it with a voltmeter?

The youkon is a 2015, so 3 yrs 3 months.

Mechanic's Assistant: Are you fixing your Yukon yourself? What have you tried so far?

First occurrence today, at night, just working on it to get it started so I could get home, but now expiring what is going on.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

After the vehicle would not start, the LED lights around the head lights remained on. After 3 tries to start the vehicle and getting the starter or relay clicking, there was several instrument sensor indications on the instrument panel that indicated that there was a problem with the system, rain sensor etc.

Submitted: 7 months ago.Category: GMC
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Answered in 7 minutes by:
12/21/2017
GMC Mechanic: david craig, Owner/[email protected] 3D Atuomotive replied 7 months ago
david craig
david craig, Owner/[email protected] 3D Atuomotive
Category: GMC
Satisfied Customers: 5,809
Experience: owner/mechanic at 3D Automotive
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Hi my name is ***** ***** I'll be more than happy to assist you. Please allow me a few minutes to review your information. Thank you

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GMC Mechanic: david craig, Owner/[email protected] 3D Atuomotive replied 7 months ago

Do you have a voltmeter?

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GMC Mechanic: david craig, Owner/[email protected] 3D Atuomotive replied 7 months ago

do you still need assistance?

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