Why does my GMC Silverado have no crank?

This is a fix for a known electrical issue with the 2003-2007 C/K series GM Trucks where a bad ground causes multiple issues. Such as no start, no crank, intermittent no gauges, and sometimes the theft light would stay on, and the parking lights would stay on.

How often does the GMC Sierra come out?

Their four generations have appeared every five to seven years: 1999 to 2007, 2007 to 2014, 2014 to 2019, and 2019 to the present. Here’s a look at some of the most common problems the GMC Sierra has had over the years.

What are the most common GMC truck problems?

One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.

Where is the ECM on a GMC Sierra 1500?

32 people found this helpful. It’s usually right next to the ECM, it will have a 60 pin connector to it, and is about 4X5 . 22 people found this helpful. Alright sweet thanks “tennisshoes”

Why is my Chevy Silverado not 4 wheel drive?

Over time, dirt, moisture and corrosion can affect the contacts on the bolts used to attach the wires to the frame. If you have a 2008 Chevy Silverado with 4-wheel drive problems, or a similar GMC or Chevy truck from another model year, replacing the switch will solve the issue.

Why is my Chevy Silverado 1500 not starting?

However, today, when the truck will crank and start, the antitheft icon goes off after a few seconds with the key on and stays off while the truck is running. It never flashed either today or yesterday though. And I don’t know if the antitheft system disables cranking or starting or both.

What to do if your Chevy Silverado won’t start?

Simple fix by checking the ground in the harness right behind the passenger side cylinder head. Trace the break and wire it to a new location for a ground such as the front of the cylinder head as I did. Loading…

When to replace the Transmission Control Module ( TCM )?

When only one or two gears of a vehicle are working, it is said to be in “limp mode”. Limp mode is the vehicle’s safety default mode, and the automobile needs to have the TCM replaced for it to be driven again safely.

Why does my GM Truck not start up?

If they don’t sweep ok then suspect a faulty cluster. To do the sweep test it needs to go to a GM dealer though. The gages not being accurate is common on the older year trucks and a cluster is the fix (along with programming the new cluster using GM software).

How long should I Leave my ECM at idle?

You will want to leave your vehicle at idle for at least 10 minutes which will give your ECM enough time to “learn” any new modifications installed on your vehicle.

Are there any problems with the GMC Yukon Denali?

Issues now the dealer has not been able to rectify after numerous trips to them. Traction Active engages randomly even though unit is not slipping causing no power and just revs, not good when taking a left at a light! Have to take foot off of gas.

What causes heated seat light to go off in GMC Yukon?

Also when the drivers heated seat button gets pushed loud buzzing noise, causes rear drivers passenger door light to come on buzzing goes away and heated seat shuts off, on passenger side too.

What causes the ECM in a car to fail?

The most common source of ECM failure is in one of the wiring harnesses. If the wires to the transmission or fuel injectors become corroded, they can lose conductivity, leading to a failure. Fortunately, these issues can usually be resolved by replacing the corroded wires. If one of the wires shorts out to the frame, the ECM may fail entirely.

Why does my GMC Denali suddenly stop working?

I have a 2007 GMC Denali with the same symptoms. The power suddenly dies. This is a reoccurring issue for the past 3 years. I noticed the negative battery cable had bad contact so I took a steel brush and scuffed up the cable where it meets the ground connection. That seemed to fix the issues for 6 months, but it came back again.

Why does my 08 Denali make a clicking noise?

Per the dealer the clicking noise in the cab is a result of low voltage and related. My 08 Denali has electrical gremlins. Randomly, the entire electrical system will shut down while the vehicle is parked. First indication of a problem is the remote key fob will not unlock the doors.

Also when the drivers heated seat button gets pushed loud buzzing noise, causes rear drivers passenger door light to come on buzzing goes away and heated seat shuts off, on passenger side too.

What to do if your car won’t start?

Such as no start, no crank, intermittent no gauges, and sometimes the theft light would stay on, and the parking lights would stay on. Simple fix by checking the ground in the harness right behind the passenger side cylinder head. Trace the break and wire it to a new location for a ground such as the front of the cylinder head as I did. Loading…

Why does my 2002 Yukon Denali not start?

At times will not start no crank or nothing,but some days it would start like everything is normal. So when it didn’t start i would jerk the key ignition back and forth until it started. 2002 Yukon Denali security light is blinking and won’t start !!

Is there a 2007 Sierra that won’t start?

I have a 2007 Sierra that won’t start. When I turn the key on all the lights on the dash come on and the radio works. 2007 Sierra: that wont start..dash come..radio works..start position… I have a 2007 Sierra… I have a 2007 Sierra that won’t start. When I turn the key on all the lights on the dash come on and the radio works.

What’s the cost of a GMC Yukon no start?

The average cost for a GMC Yukon No Start Diagnosis is between $88 -$111. Learn More Car wont start… Lights and everything else comes on but the car wont crank at all At times will not start no crank or nothing,but some days it would start like everything is normal.

Why is the crank fuse at the start position?

Could be the ignition switch faulty try a hot wire direct to the starter motor small terminal then see if it cranks You can’t post conmments that contain an email address.

What does no start no crank no click mean?

If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that. In the old days, power flowed through the ignition switch and down to the starter solenoid. Not anymore.

How many fuses do you need to start a GM car?

But then you must have two good fuses in the starting circuit, two good relays, several good fuses to the BCM, good fuses to the PCM, and good grounds all around. Click on the image here to pull up a PDF of a typical GM starting system wiring diagram.

Could be the ignition switch faulty try a hot wire direct to the starter motor small terminal then see if it cranks You can’t post conmments that contain an email address.

Can a failed crank sensor cause no start?

The thing to remember about having a failed crank sensor, is that if you have spark or fuel injector pulses, the crank sensor is OK and not the cause of your No Start Condition. The crankshaft position sensor, on your 4.8L, 5.3L, 6.0L GM vehicle, is a Hall-Effect three wire crankshaft position sensor.

Is the crank sensor good on a GM 4?

TIP 3: If your GM vehicle starts and runs then you can conclude that the crank sensor is good, and this article will not help you. TIP 4: Since this is an on-car test of the crank sensor, DO NOT remove the crank sensor to test it. In the photo you’ll notice it’s out but this is just to make it easier to explain the test to you.

Are there any problems with the Duramax LMM?

One problem can rear its head when you are pushing the power of the LMM to a level GM never imagined, and that’s with the pistons. Simply put, they can crack under pressure. There are a lot of factors which dictate the power level where a piston bites the dust, but it’s usually north of 600 horsepower.

What causes a Duramax injection pump to fail?

As a result (allegedly), the lack of lubrication in the fuel can cause a premature failure of the injection pump, to a point where it won’t allow the LML Duramax to run. You can be driving down the road and everything seems normal, and when the pump fails, the truck just shuts off.

Can a Duramax be used in a GMC Sierra 1500?

For instance, we can control the engine block and the engine head separately to maximize the effectiveness of the cooling system,” Barta explains.

Where was the 2005 GMC Sierra 2500HD last serviced?

Mileage: 85,773 miles Body Type: Pickup Color: White Engine: 8 Cyl 6.0 L No accident or damage reported to CARFAX. Purchased on 01/11/05 and owned in PA until 03/29/21. Driven an estimated 11,298 miles/year. Last serviced at 183,665 miles in Johnstown, PA on 06/09/21 • Vehicle serviced.

What kind of trailer does a GMC Sierra 3500 need?

Requires Sierra 3500 HD Regular Cab Long Bed 2WD DRW with available Duramax 6.6L Turbo-Diesel V8, Max Trailering Package and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual.

Is the 3.0L Duramax a No Excuses engine?

“The 3.0L Duramax was designed to be a ‘no excuses’ engine option that offers excellent fuel efficiency, great low-end torque and smooth responsive operation,” Assistant Chief Engineer John Barta states. “We delivered on those targets with outstanding fuel economy, best-in-class 277 horsepower†

What causes a GM pick up to not start?

The one symptom that’s gonna’ be staring you right in the face is your GM pick up or van or SUV cranking but not starting. More specifically, you’ll see one or all of the following symptoms when the crank sensor fails: No spark from all of the Coil-On-Plug Ignition Coils.

What are the most common problems with a GMC Sierra?

Another 258 people reported the second-biggest issue where heating and air conditioning temperature and air delivery mode door actuators may fail. If one or more delivery mode door actuators fail, the HVAC system may not produce correct temperatures or air delivery. The HVAC system stores fault codes, which help with diagnosis.

How to know if your engine has no spark?

First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.

What makes a 1997 GMC C2500 no start?

1997 GMC C1500, C2500, C3500 Pick Up. 1997 GMC K1500, K2500, K3500 Pick Up. All of the information you need to diagnose a misfire or a no-start problem (caused by the ignition coil, the ignition module, or the crankshaft position sensor).

Why did my Silverado Sierra Flasher go bad?

My flasher relay went bad as well..the dealer fixed it i dont know what part number they used but if u can use the 3/6 with no issues just use it that way your good to go when u upgrade Well, stupid me, I guess I totally missed the blown fuse… So replaced that and we are signaling again!

Why is my Duramax diesel engine not working?

The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.

Are there any problems with the LLY Duramax?

In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.

What to do if your GMC Sierra wont start?

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What does the sensor do on a GMC Sierra?

A sensor tells the security system whether the key is in the ignition or not. This is a common feature in the GMC, Pontiac, Oldsmobile, Saturn, Chevrolet and other past and present GM brand vehicles. The wire, which is connected to that sensor, comes loose or corroded and needs to be secured or cleaned.

Why does the AC blow hot air on my 2005 GMC Sierra?

The AC on my 2005 Sierra blows hot air after it has run a while when it is above about 85F. Turnu=ining the AC off and – Answered by a verified GM Mechanic We use cookies to give you the best possible experience on our website.

What does the 2low unloc do on a Duramax?

The 2Low Unloc is designed to allow the operator to manually disable the front wheel drive mechanism by holding the hubs in the free (2WD) mode with the transfer case in 4WD low range. By allowing the front wheels to be disengaged, maximum torque is available to the rear wheels.

What’s the part number on my Silverado Sierra?

Well, i purchased the new part number recommended in the video (10383321) AC Delco part. Replaced it this morning and what do you know it solved my issue. For about 5 hours.

What happens when I Turn on the dash lights?

It comes on solid for about 5 seconds after the key is turned on then goes off. Yes it does. I just noticed that after it sits awhile it takes about 10 seconds after i turn the key for the dash lights and radio to come on. That all looks OK.

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

How does the ignition switch work on a GM car?

The ignition switch now talks to the body control module (BCM) and it’s the BCM that initiates one of two relays. The second relay, the more important of the two, is controlled by the powertrain control module (PCM). And it only operates the starter relay after it’s satisfied that the correct key is in the ignition.

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

Where are the fuses on a GMC Sierra?

The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery. Lift the cover for access to the fuse/relay block. To remove fuses hold the end of the fuse between your thumb and index finger and pull straight out.

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