Are there transmission problems with a 2003 GMC Sierra?

After five years, most of the issues with these trucks had been worked out. Now, these trucks are getting older, and it’s very likely that your 2003 Sierra may be having transmission problems. Below, you’ll find a ton of troubleshooting your transmission problems.

Why is my GMC Sierra not moving in any gear?

It is pretty applicable to the 4L80E as well. Not Moving in any Gear – If your 2003 Sierra Transmission has a problem moving in any gear, it’s likely caused by a lack of transmission fluid. No matter how silly that sounds, and how convinced you are that it’s not the problem, go ahead and check it anyway.

Why does my GMC Sierra not lock in overdrive?

Transmission Not Locking in Overdrive – The 4L60E and 4L80E both have torque converters that lock. That is to say when they are moving at a certain speed, they’ll lock and create a direct 1:1 connection between the engine and transmission. It removes all of the torque converters multiplication factor and increases drivetrain efficiency.

Are there push button switches on GM trucks?

The push button switches were a poor design. You can likely walk into any GM dealer and find the parts in stock its that common. But before you buy one, ide at least check the circuit board, you need 0 skills to do this.

Why is my 4WD light not working on my GMC Sierra?

Selector Switch was giving me issues about 3 years ago (64,000 mi). Shifting out of drive,stuck in 4WD hi/low and couldn’t switch it back or shifts to neutral and cant switch to 2WD. The sensor in the transfer case had a bad seal and fluid was getting in and shorting it out.

What is the 4 wheel drive code on a GMC Sierra?

2004 silvarado crew cab, 100000 miles, service 4 wheel drive message, code c0306, stuck in 4hi, cleaned ground on body mount no change. “Service 4-wheel drive” message began to come on, when switching into 4-wheel drive. Shearer Chevrolet replaced the actuator for about $450. (Yes, 51,500 is the correct mileage.)

Can a GMC Sierra 1500 go 4 wheel drive?

While driving in 2wd it will go in to neutral, but the light shows that it in 2wd and the shifter shows it is in D. I have to pull over and stop put it in park and put it in auto 4 wheel drive and it will work on auto but it always seems to be in four-wheel drive.

Why does my 4 wheel drive not move?

It was the encoder motor. take off the motor on the t-case,,,,have someone turn on the 4×4 hi, lo, 2wd and see if the motor moves. I’m 99% sure it is the motor on the transfer case. When the lights on the dash flash, its the motor.

Are there any transmission problems with my GMC Truck?

Newer GMC trucks equipped with a 6-speed 6L80 transmission can suffer from various intermittent or constant transmission issues. Symptoms include harsh or delayed shifting, inability to engage certain gears, and slipping when shifting gears. These problems can even lead to transmission overheating in some cases.

What to do when automatic transmission won’t shift into 3rd gear?

Check the Throttle Cables. Changing the fluid solves plenty of transmission issues but if the problem of automatic transmission won’t shift into 3rd gear persists, the parts you should check are the throttle cables. A defective cable with excessive slack is likely to create issues with smooth shifting of the gears.

What kind of transmission does a 2003 GMC Sierra have?

The transmission options that were available to the 2003 Sierra were as follows: MG5 – This is the NV3500 manual transmission. It’s the only manual available for the 2003 Sierra. M30 – This is the 4L60E automatic transmission. It came in the lighter duty trucks. It’s a four speed overdrive transmission.

Are there any problems with the GMC automatic transmission?

Overheating is a concern on GMC trucks that are used for towing or hauling heavy loads frequently. GMC vehicles that use a 4-speed automatic 4L60E or 4L65E transmission can develop a problem with gear shifts. This issue will manifest itself as improper gear changes that take too long to happen.

How to troubleshoot a GM 4.8L 5.3L?

You can find this tutorial in Spanish here: Cómo Diagnosticar y Resolver Una Falla en Cilindro (GM 4.8L, 5.3L, 6.0L) (at: autotecnico-online.com ). The core symptom of a misfire is rough idle. This isn’t the only symptom that your GM van, pickup or SUV might experience… here are some more that you might see:

How to install manual transmission in GM 6T70?

With engine at idle, shift from REVERSE to DRIVE and leave shift lever in DRIVE for five (5) seconds. After five seconds, shift back to REVERSE and leave shift lever in REVERSE for five seconds. Perform this procedure twenty (20) times (R-D-R-D-R-D…).

How to buy a new GM transmission for free?

Buy a new or remanufactured engine, transmission, or transfer case and we’ll ship it directly to your front door…for FREE! Just use the code “SHIPFORFREE” when you check out. Details: Offer ONLY valid on purchase of engines, transmissions, and transfer cases. $1,000 minimum purchase.

Can a GM 5.3 L engine be rebuilt?

Rebuilt GM 5.3L and 6.0L LS engines will only correct the issue with the “core” engine used as raw material, but will typically not include any other machining or remanufacturing on the rest of the engine or have any updates performed.

How much does a GMC 6.0L engine cost?

60P4184 – $2375.00 Core charge $500.00 Engine includes timing cover and oil pan 60P4155 – $2500.00 Core charge $500.00 VIN code U Engine includes timing cover and oil pan 60P4228 – $2825.00 Core charge $450.00 Engine includes timing cover and oil pan

What causes a GMC Sierra to go into limp mode?

In either first or second gear, the torque converter slips more than it normally would on a takeoff. Most of the time, limp mode is caused by loss of signal to/from the TCM. Either the wiring harness has a short or the transmission fuse is blown. It doesn’t matter whether your 2003 Sierra has a 4L60E or 4L80E, the fuse will be in the same location.

What does it mean when your transmission is not shifting?

Q: transmission not shifting and the rpm’s keep climbing up. the transmission is not shifting properly, replaced both input and output speed sensors, but the rpms seem to be climbing high and the transmission does not seem to be shifting, gets up to speed fine, but the rpms just keep climbing on it… My car has 200000 miles.

Are there any GMC Sierras that do not work?

Some customers of 2003-2004 model year Cadillac Escalade, Escalade ESV, and Escalade EXT; Chevrolet Avalanche, Silverado, Suburban, and Tahoe; and GMC Sierra, Yukon, and Yukon XL vehicles have reported that one or more of the instrument panel (IP) cluster gauges stick, flutter, or become inoperative.

What to do if your GMC Sierra gauge does not work?

DUE TO PART AVAILABILITY, THIS SPECIAL COVERAGE IS BEING ADMINISTERED IN PHASES. YOU WILL BE NOTIFIED AS EACH ADDITIONAL PHASE IS RELEASED. CUSTOMERS ARE BEING INSTRUCTED TO CONTACT THE DEALERSHIP TO ARRANGE AN APPOINTMENT IF THEY BELIEVE THEIR VEHICLE HAS THIS CONDITION.

Why is my GMC Sierra only getting 3rd gear?

Another thing is, if you keep it in drive you’re only getting 3rd gear, but if you manually shift it into 2nd gear, it’ll go there. That makes taking off much better on the transmission. In either first or second gear, the torque converter slips more than it normally would on a takeoff.

Why does my GMC Sierra 1500 not work?

While there are a variety of reasons your GMC Sierra 1500 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis?

When did the GMC Sierra gauges stop working?

Claims with repair orders prior to September 28, 2007, must be submitted to the Service Contract provider. All gauges stopped working on Friday but came back on after going through checking all lights etc. After turning right signal light on ( while driving) the gauges came on. All gauges went again today and…

Is there a relay switch for a 2003 GMC Sierra?

2003 GMC Sierra. The gauges do not work. All the lights on the panel work, just not the gauges. Is there a relay switch that pertains to the cluster?

Why does my GMC Yukon speedometer not work?

GM had instrument cluster problems 2003 to 2006 There is no speedometer cable on the 2003 Yukon, if there is no transmission issues like shifting problem. Your instrument cluster has gone bad, to pinpoint. Your stepper motor to your speedometer gauge has failed and needs to be replaced.

Can a Chevy Silverado go from 1st to 4th shift?

Transmission is in Limp Home Mode or has no electrical power. Also, PCM has lots of error codes. No 1st or 4th, shift 2nd to 3rd by itself when put in D or OD and locks converter: Goes into gear but sluggish like brakes are on, can manually shift to 2nd to get moving, then put in OD and truck shift 3rd as well as 4th are OK.

Why is the transmission not shifting on my Chevy Silverado?

Take a couple of easy steps to see why your truck is not shifting. No need to panic yet. This article applies to the Chevrolet Silverado GMT800 (1999-2006). Your transmission is just supposed to shift and leave you alone.

When does Chevy Silverado shift into 2nd gear?

-In Drive, 1st engaged, no sleeping, at full throttle engine hit the rev limit and transmission won’t shift, shifts only when let off the gas. Same thing in 4HI or 4LO. – When I hit the throttle hard until 4000 rpm and let off it shifts at about 2500 rpm.

Why is my GMC Sierra 1500 not shifting?

If in fact the tranny you put in is good, then the possibilities are that you have a wiring problem from your TCM to the tranny or your TCM is messed up. A good tranny shop can run stand alone testing to find out what you actually have going on. 41 people found this helpful.

Is there a 2016 GMC Sierra shifting problem?

Drove a new 2016 LTZ (as above). 6.2 – 8 speed hesitated every time I took off from a start. Was going to drive a GMC (above). Read in the CARCOMPLAINTS.COM – NHTSA – this morning, 2014 – 2016 GM 1500 trucks, vibration. Always been a GM guy.

What do you need to know about GMC Sierra?

How to articles are usually in the form of step-by-step instructions on how to accomplish a specific task on a GMC Sierra or Chevy Silverado. Discuss the cabin of your Silverado or Sierra truck. Topics in this area contain discussion of door panels and headliners or the dash and carpet, trim, and seats.

Why does my Sierra shift from first to second so hard?

However the transmission issue continues. When it shifts from first to second, it hits so hard, I feel like I have been hit by another vehicle. This happens when it down-shifts from second to first but not quite as often as when it goes from first to second.

What kind of truck won’t shift out first?

52 people found this helpful. 2003 Sierra-My truck is doing the same thing- speedo reads zero and won’t shift out of first.

When did the GMC Sierra have the most problems?

The model years with the most problems reported were 2004 and 2007, with more than 60 complaints each year, followed by 2002, 2003, 2005, and 2010, with more than 40 each year. Of the 112 problems, five different complaints have been reported 90 or more times.

When did the GMC Sierra truck come out?

The GMC Sierra is the fifth-most popular truck in the United States, with more than 230,000 trucks sold in 2019. General Motors introduced the GMC Sierra and its twin, the Chevrolet Silverado, in 1998.

Is the GMC Sierra SLT a heavy duty vehicle?

Available on 2021 base Sierra HD. Standard on SLE, SLT, AT4 and Denali 2021 trims. Read the vehicle’s Owner’s Manual for important feature limitations and information. Excludes other GM vehicles. Requires available accessory trailer camera and installation. Not compatible with all trailers.

How many horsepower does a GMC Sierra 2500HD have?

Read what other owners think about the Used 2003 GMC Sierra 2500HD. 2003 Sierra with 8.1 liter 345 HP and Alison Auto. Plenty of power for towing. A little hestitant on take off when cold. 20,000 miles in 6 months and it runs like day 1. Fuel mileage is absolutely HORRENDOUS!!!!

What kind of transmission does a GMC Sierra 1500 have?

355-horsepower 5.3L V8 8-speed shiftable automatic 4WD w/low range Transmission was shuddering at highway speeds under light throttle application. The dealer seemed to know of this problem. The transmission fluid was drained and flushed, the filter changed, and a new transmission fluid added.

Service 4-Wheel Drive light came on, would not shift out of 4WD. Scan found code B272508 (Mode Switch signal). Transfer case switch on dash had internal fault and was replaced. Software update for PCM/TCM and a lubrication of the slip-yolk. This was to fix rough transmission shifting when slowing to a stop.

Are there any problems with the GMC Sierra 1500?

Problems with the Transmission. Aside from the engine, it’s vital that your powertrain is operating correctly for you to get down the road. When the components of a powertrain begin to fail, drivers can experience sounds, rough shifting and an unpleasant ride. Owners of the 2018 GMC Sierra 1500 find that the powertrain gives continuous problems.

How can I tell what kind of transmission I have in my GMC Sierra?

First and foremost, it’s necessary to determine what kind of transmission is in the truck. The easiest and quickest way to go about determining this is by RPO codes. The RPO codes are a list of production options that are printed u p and stuck in your trucks inner glove compartment when it’s produced.

What makes the GMC Sierra 2500 so special?

Nearly two-thirds of the Sierra cabin is made from high-strength steel that makes for one of the quietest cabins you have ever experienced. This monster pickup truck is basically a fortress of strength and steel. GMC Sierra 2500 has its own unique style which makes it stand out wherever it goes.

Why is my GMC Sierra battery draining while driving?

If it is draining while your Sierra is off, it’s usually caused by something that is drawing current that shouldn’t be. If the battery is draining while you’re driving, that is probably going to be the alternator or battery. There are other situations as well.

Are there any issues with the GMC Sierra 2500?

It has been reliable with only a few issues as it began to age. It made me realize some small preferences for the next vehicle, such as: having crew cab with four doors instead of the extended cab. The main issues encountered were: antilock brakes, window motor failure, signal lights always blown, and easily broken center console.

What kind of trailer does GMC Sierra 3500 have?

We appreciate your interest in GMC and we’ll send the information you requested soon. 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.

What kind of engine does a Sierra 3500HD have?

The 30,990 lbs. rating requires properly equipped Sierra 3500HD Crew Cab Long Box 4WD DRW with available Duramax 6.6L Turbo-Diesel V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual.

Which is the most trouble free GMC Sierra?

By far, the most trouble-free model has been the 1997 GMC Sierra 1500, which has received very few complaints. However, the 2014 model has had by far the most reports of issues, primarily having to do with sub-par headlights and poor visibility. GMC Sierra 1500 accessories for that model year have also had a number of issues.

When to replace a GMC Sierra 1500 part?

Usually the hardest part about maintaining a car or truck is searching for a reasonable source for outstanding parts. If your GMC Sierra 1500 needs maintenance, the optimum answer is installing a new first-rate replacement or OEM part to keep your car in the best shape.

What’s the problem with my Silverado 4.3 V6?

2007 Silverado 4.3 V6 -39,000 miles…no engine or tranny mods. No exhaust. I do have a K&N air filter that I just cleaned. I don’t think I have that MAF sensor on my intake like the more expensive trucks do. My problem seems to be a lack of power, like it just doesn’t want to go (V6 jokes aside).

What kind of oil filter does a Sierra 3500 use?

SIERRA 3500 W/V8-6.0L F/INJ. CNG U ENGINE SIERRA 3500 W/V8-6.0L F/INJ. LQ4 U ENGINE SIERRA 3500 W/V8-6.0L F/INJ. U ENGINE Use proper protective gear. Used motor oil should not come in contact with bare skin. Engine oil may be hot. Place a drain pan under the oil filter and unscrew oil filter.

What kind of engine does Silverado 4.3 have?

Also having this problem. 2007 Silverado 4.3 V6 -39,000 miles…no engine or tranny mods. No exhaust. I do have a K&N air filter that I just cleaned.

Why is my Silverado Sierra sluggish to accelerate?

Have a KN intake system on it and keep it clean so I dont think that is it but I havent really done anything else as far as modifications. After accelerating it feels like it starts to let loose and eventually seems to get up to speed. Any ideas of what I can do? Get a custom tune. I would get an exhaust of some sort to help with the tune.

Are there any problems with my 2003 Duramax?

Thaks for the help. injectors,water pump,headgaskets,injectors again,instrument cluster,steering shaft,pinion seal,and injectors again. I have on 03 with 66,000 on it and know problems. Friend of mine has 03 asmost same truck and know problems with 145,000 on it. Sure love mine. P:S Injectors should be warrantied to 200,000.

What to do if your GMC Sierra has no overdrive?

AutoZone, or any other parts store will be able to help you with this for free. It really is worth noting that there doesn’t need to be a trouble code thrown for there to be a code in the computer. No 1st and No Overdrive – When the truck has no overdrive and no first gear it’s almost certainly in limp mode.

What kind of engine does GMC Sierra 1500 have?

The 2003 GMC Sierra 1500 is available in Regular and Extended Cab body styles, with your choice of 4WD depending on the model, in Base, SLE, SLT and Work Truck trims. Under the hood, the Sierra is equipped with a standard 200 horsepower 4.3-liter gas-powered V6 in base models.

Where can I find a 2003 Chevy Silverado?

Shop Edmunds’ car, SUV, and truck listings of over 6 million vehicles to find a cheap used, or certified pre-owned (CPO) 2003 Chevrolet Silverado 1500 SS for sale near you. Can’t find a used 2003 Chevrolet Silverado 1500 Silverado 1500 SS you want in your area?

What causes a GMC transmission to go bad?

Low transmission fluid level or dirty filter, which can cause overheating. High fluid temperatures will cause other issues with transmission operation. Most GMC transmission problems such as harsh shifting, delayed shifting, no gear, stuck in gear, no reverse or drive are quite often caused by low transmission fluid level.

Are there any problems with the GMC 4 speed transmission?

GMC vehicles with a 4-speed automatic 4L60E or 4L65E transmission can have intermittent or constant problems with selecting reverse. This will manifest itself as an inability to engage reverse gear while there are no issues with the engagement of other gears. There will be no other symptoms. The worn or faulty servo engages the reverse gear.

Why is my transmission not moving in any gear?

Not Moving in any Gear – If your 2003 Sierra Transmission has a problem moving in any gear, it’s likely caused by a lack of transmission fluid. No matter how silly that sounds, and how convinced you are that it’s not the problem, go ahead and check it anyway. You should want this to be the problem.

How to fix a PRNDL light on a GMC Truck?

To fix this problem, remove the cluster from the vehicle. Then remove the instrument cluster housings, see the most current repair information for the vehicle you are working on. . Inspect the PC solder joints (circled area) carefully with a magnifying glass. Lookin for cracks in the solder at the top or bottom.

Why does my traction control light keep coming on?

If the road conditions are too severe, your traction control system may not be able to handle it. For instance, if you live in a location with a lot of snow and ice on the ground, then the roads are going to be difficult to maintain traction on.

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