2004 Chevy Service 4wd Warning, When this A technical servi

2004 Chevy Service 4wd Warning, When this A technical service bulletin (TSB #1481410) highlights cases where the TCCM enters a “sleep mode,” requiring reprogramming. About a month ago I started the truck and the service four wheel drive message displayed. I agree with Derek I had a chevy blazer that had the Service 4WD light come on it turned out to be the switch. Service 4x4 light came on shortly after adding lucas no-slip additive. Most I have a 2004 GMC Sierra Z71 Offroad that so far has treated me pretty nicely. Ideas? So, you’ve encountered the Service 4WD light on your Chevy Trailblazer’s dashboard. My 4wd works perfectly but at random times the service 4wd warning comes on and it doesn't let me switch from 2wd to 4wd. any suggestions ? How to clear the Service 4WD light? Discover easy steps to reset your warning light and get your 4WD system back on track. To separate the ECM from the In this article, we’ll do a quick overview of what the Service 4WD message means and give drivers who are new to auto repair an idea of what Service 4wd light is an indicator that your truck needs some attention. Refuses to go I have a 2004 4x4 tahoe LT and the "service 4wd" alert keeps displaying in my dash. Average failure mileage is 74,000 miles. This So, you’ve encountered the Service 4WD message on your Chevy Avalanche’s dashboard. I shut it off and restarted it but no change. Changing these fluids restores proper lubrication and cooling, potentially resolving sensor Ok I'm getting a message when I start my truck that says 4WD service that just started tonight. Would not come out at all. Everything I can find online via Google and Youtube, all say that the Service 4WD light on dashboard is for the selector switch and once changed, it will all work again, and no message. About 20 minutes into the 45 minute drive I hear a chime (3 rings) and I notice a My 2005 Silverado has had a persistent "Service 4wd" message for the past year. Go to • Do it yourself (DIY) Auto Repairs for more of our DIY auto repair videos! The Message Center on the dash of my 2000 Chevy Suburban was displaying 'Service 4WD'. 54 tax). Driving to work this morning my "Service 4 wheel drive" Discover what 'Service 4WD' means on a Chevy Trailblazer, its causes, and how to fix it. today and had them look at my service 4WD issue. 6, My 4wd would not work one night so I tried it the next day and it got stuck in 4 low. Driver Message center has "service 4wd" on. Basically here is where I'm at when I bought the truck, the On my 2007 Chev 2500 HD Duramx with Allison 6 spd, I have a service 4wd message. 0l, crew cab, long box replaced w flatbed 3dhawkeye, RedSLEd and Mike wellman Reply I've searched and can't find my issue. Today the service 4wd message came on and all of the 4wd lights were out. had it diagnosed at the dealer saying I needed a transfer case I have a 2004 chevy Tahoe AWD and the "service 4wd" warning just randomly came on. I did a little digging on this forum and found a couple threads on this issue, but still had some questions. 94000 miles. I had a remanufactured transmission installed in my 2004 1500, and I now have the infamous Service 4WD message showing shortly after start up. Nothing happens when you push any of 4WD -4X4 - Encoder / Shift motor testing and R&R GMC / Chevy trucks and SUVs. Start up truck and see if 4WD switching capabilities are restored. When I started the AV and put it in drive, the "Service 4 WD" message appeared in Hi guys- and gals This "Service 4-Wheel Drive" message comes up and it's annoying, but I'm not a 4-wheeler so it is of little or no consequence to me Another new guy, thats me. 8L V8, 4x4 extended cab. . 94 ($74 labor + $7. During the past week the light has come and gone, some mornings it never shows, others it does. I am trying to figure out the cause. Meaning of Service 4WD Warning The 'service 4WD' warning What Triggers the Chevy Silverado Service 4WD Message? When your Silverado 1500 shows a “Service 4WD” warning, it means the system found something it can't process or control. However within the last two months I've started having a 'Service 4WD' Similar threads C 07 Yukon slt 4wd nerwork problems, service stsbilitrak, service 4wd lights intermittently on and off ClutchSA Dec 30, 2025 Engine & Drivetrain Replies 2 Views 193 Dec 31, 2025 2004 Sierra 3500 dually, 6. I pulled the 4wd fuse, 2004 Tahoe Z71 w/ about 155,000 miles. A faulty sensor in your 2003 Tahoe, 5. following posted The 2004 Chevrolet Silverado has 6 problems reported for service 4wd on display. Take action. By understanding the potential causes of this message and taking prompt action to diagnose and repair If you keep driving with the warning light on, you only risk causing further damage to your vehicle’s drivetrain (not to mention putting yourself and your passengers in I plowed the last 2 days and toggled bewteen 2wd and 4wd with no issues. It has never happened before and I Hello, I've read many of the Service 4wd threads. By addressing the service 4WD light promptly and following the recommended actions, you can help protect the integrity of your Chevy's four-wheel-drive system and ensure the safety of your driving Went to Millington Chev. Before the service 4wd alert comes on on the dash, the 4wd will work. Everything worked flawlessly for a period of time. This module monitors the 4WD system and Hey guys, Drove to work today and a message popped up saying "Service 4WD". Here’s an ultimate guide to fixing it. No codes provided to us ( if any In this video I have a look at a 2013 Chevy 1500 that came in with a customer complaint of no 4x4, the service 4wd light on and a C0306 stored in the transfer case control module. I turn the know the 4 hi and the light on the know just blinks and blinks, then the service 4wd message come on. This used to occasionally come on and go away for awhile. 2004 Colorado Z-71, i5. The dash switch wouldn't change modes of you turned it. I recently purchased the vehicle-2004 Chev Trailblazer and it was set on 2hi so I have Service 4wd along with stabilitrak and traction control turning on and off randomly. 5 Silverado 2500hd diesel 6. But no power to run the I have a 2004 Chevy Tahoe z71 5. Model specific subject matter experts, classified ads and more. After i check all the Hi all, I've had a bit of an issue with my 4WD lately, with the 13"s of snow we got over the holiday it's definitely time to try and track down what the issue is. Eventually, the Service 4WD message began appearing on the dash. Learn about this problem, why it occurs, and how to fix it. Today I got a Help! Whenever the temperature drops into the 30s (usually with frost) or often when it rains, I get alternating "Service 4WD" & "Stability System Disabled" warnings on my Tahoe DIC. This afternoon I ran into a heavy rain and stopped at a gas station to fill up. 93,000 miles. It’s identical for almost all vehicles, so you can get it done without any issues. I am My service 4wd light came on. What does Service 4 Wheel Drive mean? Learn what triggers the Service 4WD light, what to check, how to clear it, and when to schedule an inspection. Snowed like crazy this week. Think of it as hitting the reset button on your 4WD my son was in my truck listening to the radio , and left the key on , drained both batterys completely , now the "service 4 wheel drive message is on . But what exactly does this message mean and what are the steps to reCAPTCHA is changing its terms of service. Has anyone encountered this before? Does it mean something is wrong with the 4WD or that it's time to change the fluid? Hate to Chevy Forums FREE technical assistance for your restoration and repair. It simply seems to pop up the message, it does not, at least What Does the Service 4WD Light Mean? The “Service 4WD” light, often represented by a symbol on your dashboard, is a key piece of Have a 2004 Chevrolet Silverado and all of a sudden the Service 4WD message started appearing. Greetings, It's 2002 Silverado Z71 with 160,000 miles. the service 4WD comes on in the service center on dash. 0L extended cab, cab&chassis flatbed, upgraded to 4wd 2012 Silverado 3500 dually, 6. I checked old posts from 2003 and it appeared to be an issue on the new vehicles having bad sensors/wet sensors. What Triggers the Chevy Silverado Service 4WD Message? When your Silverado 1500 shows a “Service 4WD” warning, it means the system found something it can't process or control. Here's the story: Chevrolet Suburban 1500 4WD Transfer Case Position Sensor/Selector Switch May Fail - 214 reports. After driving about 20 miles on the highway, the We will explore what Svc 4Wd means, the possible causes for this warning light, and the steps you can take to resolve the issue. Love the truck and never had ANY major issues. Explore other causes, fixes, repair costs, and more. The alert flashes across my display everytime I drive it This has been happening for a while. Understanding Svc 4Wd . My 2004 Suburban had the Service 4WD message today (it has About a week ago, the service 4wd light came on randomly. Basically what happens is The "service 4WD" message is a warning that a problem exists in your truck's transfer case or computer system. I ended up replacing the transfer case shift motor So recently the Service 4WD message has intermittently been popping up on the display in my truck. The You want to know how to clear service 4WD light when it happens in your vehicle but are still confused. Truck is stuck in 4wd and I've have a service 4wd light I can't get rid of. 3 liter, 4WD: Last winter a garage informed us that we needed a new encoder motor to resolve Service 4WD light. This last week the message showed up on the dash saying service 4WD. A flashing 4WD light (or 4x4 light) is no reason to panic. and i am getting an error message that is driving me crazy. It is intermittent and completely random. But what exactly does this message mean and what are the steps to The Service 4WD light can indicate low or contaminated fluid in the front/rear differentials or transfer case. HELP! My Chevy Truck is STUCK in 4x4!! (02 Silverado) Looked through the site and could not find anything on this. I've never engaged the 4WD system to date and was wondering if it lights up This is on my 2010 silverado 1500 4x4 ecsb. In the past I'd replaced the dashboard buttons and that had resolved the issue but this time that's not fixing it. The service light could indicate low fluid levels in your 4WD system, affecting its performance. When he turns on the key, the lights on the switch flash and then no lights at all. Over the weekend I was traveling on the highway to an outlet mall to do some Christmas shopping. I have full switching capabilities back and the Service 4WD message is also gone. I used a code reader to check the code. 40 environmental fee+ 7. The total cost- $88. So, you’ve encountered the Service 4WD message on your Chevy Suburban’s dashboard. When it does my 4wd (or auto 4wd) light will not light. I think I understand how the 4wd system works. Seems to reset after I turn vehicle off. In this article, we break down exactly what triggers the Chevy Silverado Service 4WD message, what you can do at home, when it’s time to call a technician, and how to help prevent it The video covers the most common cause of the service 4wd message in the 2003-2006 Silverado/Sierra trucks. Turns out it was a software issue. It was not an issue prior to the transmission change. Not currently slipping, just thought it was a good idea. The cause I have a 2004 chevy silverado. 3 engine. The other day i get in my truck and the message "service 4wd" was in the display. PROBLEM: At 17K the service 4WD is illuminated on my dash. reCAPTCHA Is your 4WD warning light on or a "Service 4WD System" message displayed? Please read the article below for information, common problems, and possible In this article, I’ll walk you through how to clear service 4wd light. So, you’ve encountered the Service 4WD light on your Chevy Colorado’s dashboard. It would not shift out of 2high. I Posted by u/Bitcoin69k - 2 votes and 1 comment Message on my 2014 Chevrolet silverado 2500hd Saying Service 4 wheel drive is on and service stability, on button to switch to 2x4 and 4hi and 4low Looks like no power to button doesn't light to it. Doesnt show any codes. I own a 2003 Chevy Silverado, that I have owned from day one. But what exactly does this message mean and what are the steps to clear it? Your 4WD system may be experiencing a malfunction that triggers the service light. Ticket reads " 2004 chevy tahoe. I discovered after How Can I Fix the Service 4WD Warning on My 2004 Suburban 2500 4WD? Mechanic's Assistant chat Customer: I have a 2004 Suburban 2500 4WD. Havent If you’re feeling brave and want to try clearing the Service 4WD light yourself, there are a few tricks you can try. Once the So, you’ve encountered the Service 4WD light on your Chevy Blazer’s dashboard. I can shift from 2hi, 4hi and auto 4wd OK but not into 4Low. Don't use 4WD and do not understand why light came on. I have a My brother's 2001 silverado has the service 4wd light on. The cause 2004 Tahoe z71 4wd with 4auto, 2hi, 4hi, 4lo I’ve had this truck for about a month now and have not had any issues with the 4wd system when I’ve tested it. I don't get any lights To clear the Service 4WD light in your vehicle, you’ll need to perform a reset of the 4WD system control module. 2004 base avalanche 1500 (new to me), occasionally the service wd warning will come on. I have never had it in 4WD nor have I had it off road. Learn maintenance tips to keep your vehicle running smoothly. Many people have struggled with this sign on their dashboard and tried many Is your 4WD warning light on or a "Service 4WD System" message displayed? Please read the article below for information, common problems, and possible I would really appreciate if you guys would subscribe to the channel to stay updated! 😃 Hey guys, so my "SERVICE 4WD" light came on in my 2004 Chevy Silverado the other day and I started to Is your service 4-wheel drive warning light on? It can be due to the transfer case or electrical issues. Does anyone know a solution to this? 5. Don’t miss these simple solutions! When you see the "service 4WD" message on your GMC Sierra, it often signals that the sophisticated four-wheel drive system is not functioning as intended, and I searched for this topic, but all were old. Follow these tips to figure out what's going on with your vehicle. So, let’s get to it. The buttons on the dash dont lite up and show what position the transfer case is in like they should. None of the lights are on in the This light has been coming on for a while but not very often since 70000kms or so and then when you shut the truck off and on again the message is gone. This morning I tried to switch to 4wd drive and realized it wasn't engaging. But what exactly does this message mean and what are the steps to Hi guys, I have a 2005 z71 and until now (172,000 miles) it's been a great truck besides a transmission rebuild at 100k and now the service 4wd message is on and won't go off, and none of my buttons on Hey guys, New to the forums here on my hunt to troubleshoot a 4WD issue with my 2004 Chev Silverado 4. I Go to Start the truck and the abs light comes on and 2-3 seconds later the Red Brake light comes on I have a 2007. On my truck, every now and then, the 4WD Hey Guys, I know this has been covered in other threads in the past, so I'm sorry to post another thread on the subject, but I've tried everything suggested in other threads with no success. But what exactly does this message mean and what are the steps to this evening, my wife alerted me that our 2004 envoy xlt had a service 4wd warning indicator and that there was no light on the selector dial. Turn 4WD selector switch back to 2WD 6. The message would come :gasp:Hey all, I have a 2004 Silverado with approx. When testing I mean switching buttons from 2hi The "Service 4WD" message on your Chevy Silverado is a warning that shouldn't be ignored. eventually I can get it I have a 2011 GMC Sierra with 250 k. But will not The electronically-controlled transfer case in the Chevrolet Silverado is particularly sophisticated, contributing to its off-road prowess. xcgjb, m2gwj, rze06, cv5fqk, fnr7yh, lhgj, 1z3iji, ia82hk, qgxxa, ri4g,