2010 GMC Yukon XL - Answered Questions & Fixed issues

The shift solenoids may not be getting the correct signals from the transmission control module . Read the codes to see if it's the solenoids or the module.

2010 GMC Yukon... | Answered on Sep 04, 2017 | 61 views

when the radio is OFF sound comes out of the rear speakers when the blinkers are used ! There isn't a turn signal flasher on your vehicle ,( like most all newer vehicles ) It's done electroniclly by a control module . In the case of your vehicle , the BCM - body control module . It doesn't matter if the radio is off . All the Audible warnings come out of the radio speakers . Headlamps left on , key in ignition etc... You have no idea of the complexity of your vehicle , it's a rolling computer , with a serial data network for the modules to talk to each other , share info.
When the turn signal switch is placed in either the left or right position, a ground signal is completed from the turn signal switch to the BCM. When the hazard flasher switch is activated, a ground signal is completed from the turn signal/hazard switch to the BCM. The BCM then sends an ON-OFF voltage signal through the fuses to the appropriate turn signal and side repeater (export only) lamps or to all of the turn signal fuses for hazard operation.
Really don't think you have electrical short . Computer glitch maybe , radio problem . How ever , these system's are not for the untrained to mess with . Your best bet , the GMC dealer !

2010 GMC Yukon... | Answered on Aug 07, 2017 | 38 views

Both are possible but from your description it sounds like the truck is in limp home mode. You need to put a scanner on it and see if any codes are set. Then repair the code and reset it then see what happens.

2010 GMC Yukon... | Answered on May 28, 2017 | 94 views

Most likely a loose serpentine belt on the engine or it needs to be replaced and is squealing when you press the gas.(fan belt)
Why go to the dealer?Talk to friends for info on a local garage that has a good reputation.
Always get an estimate on any repair,don't just drop your vehicle off and sign a work order without a price and description of what they are going to do to fix your vehicle.

2010 GMC Yukon... | Answered on May 08, 2017 | 24 views

i have not time for this

2010 GMC Yukon... | Answered on Jan 27, 2015 | 205 views

Same post twice.

2010 GMC Yukon... | Answered on Jan 24, 2015 | 30 views

If you mean it "flares" trans may have major issues. If you mean it fails to shift to next gear, likely bad shift solenoid, easily changed by dropping trans pan.

2010 GMC Yukon... | Answered on Jan 24, 2015 | 77 views

what problem? leak?
Ktag K-TAG

2010 GMC Yukon... | Answered on Jan 01, 2013 | 40 views

Check the hook and latch for any obstructions or sticking. Also check remote button for semi sticking.

2010 GMC Yukon... | Answered on Dec 25, 2012 | 1,083 views

You might want to try back flushing the heater core.This is probably your problem.If you know where the heater hoses go into the back wall of the engine compartment then feel the hoses.They should both be hot to the touch with the engine at operating temperature.If one is hot and the other you can hold your hand on it all day.Then try flushing the heater core.If it warms up some or gets any better.Then this is your problem.Hope this helps.Good luck.

2010 GMC Yukon... | Answered on Feb 26, 2012 | 303 views

That is a major code and may require repairs right away.Your transmission is slipping.

check your transmission fluid. tjhe fluid should be clear and free of grit. you can also smell it. if it smells burnt or it's gritty you need to get to a mechanic. If the fluid seems fine, you can try flushing it, clearing the code and monitor it for a bit and see if the code comes back on. if it you have a problem and will need to get some work done on the transmission.

The longer you drive with this kind of issue the more expensive it will be to fix the transmission before it completely fails and you ruin your transmission and possibly your engine

if your mechanically inclined and have the tools i'd say get to work and pull your transmission and do an overhaul. this will save you half a grand in labor.
otherwise start calling around and find out the cheapest repair show that will do a rebuild and replace the parts that have burnt out. let them know of any signs you have had that your transmission has been going out. such as grinding of the gears while shifting, etc

good luck.

2010 GMC Yukon... | Answered on Jul 02, 2011 | 321 views

If ethanol has ever been used in their vehicle after using gasoline, it gums up engine and fuel system. You have to use gas for these vehicles even though they have the flex fuel option because of this because it'll drag the vehicle's perfomance down.

2010 GMC Yukon... | Answered on Feb 09, 2011 | 134 views

You can try out some guide from here reliable-store. com

they also provide live chat feature for instant help and it's very useful

GMC Yukon XL... | Answered on Oct 02, 2019 | 22 views

Short in the wiring or connector pins . Possible short in AC clutch .

GMC Yukon XL... | Answered on May 17, 2018 | 44 views

Visit the on-line store, known as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
Best Manuals

GMC Yukon XL... | Answered on Mar 15, 2018 | 30 views

Can be done by a dealer or a shop

GMC Yukon XL... | Answered on Jul 07, 2017 | 44 views

The computer turns on the code when the signal is received from the TPS switch on the throttle body.

GMC Yukon XL... | Answered on Jul 07, 2015 | 49 views

Make sure trans fluid is full. See owners manual for proper dipstick test.

GMC Yukon XL... | Answered on May 24, 2015 | 21 views

If fuel pump is new you should have good pressure before injectors, but check pressure anyway. If pressure is low go back and check for a bad fuel filter between tank and engine and replace. Fuel lines get clogged because of moisture in the lines causing rust. Did you replace the under pump fuel filter? Back to front, if pressure is good , injectors may be the problem. Do a compression test to see if your engine is starting to die. I have only given you an idea of what to look for. You will either have to check yourself ,or have your truck checked by a shop. GOOD LUCK FREIND.

GMC Yukon XL... | Answered on Apr 17, 2015 | 87 views

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