GMC Sierra 1500 Questions Maintenance & Repair

Gmc 1500 New Collume New Pcm Truck Wont Relearn And Start

2000 Gmc 1500 Security Light On Truck Wont Start

I've Got A 2010 GMC Sierra 5.3 That Overheats At Highway Speeds!

I've changed the radiator water pump thermostat and flushed the cooling system to no avail?

Transmission Problems Won't Shift Out Of First Gear

Transmission won't shift out of first gear speedometer an dash works just fine no failure there and just installed a new pcm any ideas?

Transmission Problems

Transmission won't shift out of first transmission was changed an only lasted a few month's an just put a new pcm an still the same any ideas??

2003 Gmc Sierra 1500

My 2003 gmc Sierra won’t start and cranks one time and I go to try again and it won’t even crank but I still have light on the truck but it would only crank once and than won’t do it again I have a...

Truck Shuts Off Once Gear

No issues like this before, I park it last night ran great like always. Has 190,000 miles GMC 2017 serria needed a jump start this morning, no problem crank right up with all the lights and bells, I...

Transmition No Shifting In Any Gear Speedo Pinned Out Not Working

2001 gmc silverado 1500 4x4 i was driving about 15 kph then it was like it went into neutral speedo is at full 180 pinned out not working sometimes when i reset with key or leave it sit it will brie...

How To Fix Code P0171?

2002 GMC Sierra 1500 engine code p0171

Won't Crank Nor Start Then It Will.

Yes I have a 2007 GMC Sierra 5.3L SLE1 4 DOOR EXT. Cab that will not crank nor start then you can wait a day or 2 and it will start and run perfectly. This has been going on for over a year. Also...

Intermittent Crank No Start When Cold

I have a 2011 GMC Sierra 1500 that has an intermittent crank no start condition when the temperature drops below 60 degrees F. When temps are above 60 there’s no problem starting at all. My batter...

Taillights Engaged Starter

When truck is in neutral and tail lights are cut on it engages the starter, why is this, also the fuse for the tail lights blows pretty often

Dashboard Replacement

My son and I are switching out a dashboard, but we didn't bag and tag anything bolts & screws. And routing of the wires. Does anyone have a diagram. I've tried aldata from autozone and a few oth...

My 2009 GMC Sierra Heater Will Not Put Out Hot Air.

Just had truck returned from Collision Repair shop, they removed and replaced all of the R Side panels for dents and paint. Maybe they pulled something loose? Any Ideas.

How To Diagnose Mess Fire On 3

I have a misfire on cylinder 3.. When I clear codes it goes away for 5 minutes and comes back. The shop says it's a collapsed lifter... If this were the case how would clearing codes allow it to ...

Truck Has No Power After Reconnecting Battery Cables

My info screen had gone black, radio worked, but no back up camera, etc. It has done this once about a month after buying the truck, they basically re- installed the firmware/software and it was good...

Why Is There A Cylinder Or Possible 2 Cylinders Down?

Just did a complete tune up (gapped the plugs myself) on my GMC Sierra 5.7 350 1/2 ton. Truck ran great for 4-5 days. All of a sudden it's missing. Acts like it's down a cylinder or 2. Ohmed the wi...

After Warming Up While Driving It Will Stall And Restart When The Rpm Hit 1...

If I am stopped and it stalls I have to wait before it will start but it will not run as long before it stalls again.

Truck Turns Over But It Won't Crank

Truck was ruining them quit. I have changed the icm, cap rotor and coil I have had coming out of 1 injector while trying to crank what else could it be? I really need some help this is My only way ...

2019 GMC Sierra 1500 Seat Recliner Problem

As I reclined my seat to lay down I tried to recline it back and it had twisted on me. I aligned the rod with the center of both gears but the problem still continues. Any tips or help on how to ge...