04 silverado service 4wd

I need fuel lines for my 04 silverado. My truck has rusty. ... Hi, I have a 2015 Chevy Silverado 1500. 5.3 4wd. One day my service 4wd light came on and I noticed my truck was stuck in 4hi even though it's in the auto position on my 4wd selector switch.

04 silverado service 4wd. Head Scratcher. 1 post · Joined 2022. #10 · Jul 1, 2022. I too am coming in late. I had a remanufactured transmission installed in my 2004 1500, and I now have the infamous Service 4WD message showing shortly after start up. It was not an issue prior to the transmission change. The switch seems to be working.

Shorted or Open Connectors and Wiring Harness. In most cases, U1041 codes are generated by a shortened or open connector on the Chevy Silverado wiring harness. When a connector is shorted or open, EBCM fails to communicate, and the ECU (Electronic Control Module) displays U1041. It could result in reduced braking power and become a safety issue.

Used 2004 Chevrolet Silverado 1500 Extended Cab pricing starts at $5,153 for the Silverado 1500 Extended Cab Work Truck Pickup 4D 6 1/2 ft, which had a starting MSRP of $25,090 when new. The range ...4WD not engaging. I have a 2000 Chevy Silverado 1500 4x4 with an 5.3 liter motor and auto transmission. Over the past few months the truck has failed to go into 4 low at times and the service 4 wheel drive light comes on once in a while. I changed the transmission and transercase fluid but the light continues to come on sometimes.Mar 13, 2023 ... Chevy GMC No 4X4 - Service 4X4 System. The ... Chevrolet Silverado 2500 HD Push Button 4X4 FIX ... 4WD -4X4 - Encoder / Shift motor testing and R&R ...I bought my truck in November of 2009 and with the horrible winter we had last year I got use out of the 4 wheel drive system. Shortly after using the 4 wheel drive a few times I started getting a "Service 4 Wheel Drive System" message on the dash display. When the message is displayed I can not shift into or out of 2wd, auto, 4H or 4L.Joe Lamb. 463 Answers. SOURCE: 2000 silverado z71 service 4 wheel drive light on/off. The problem is with the front actuator.Its flashing in the dash lights because is not functioning properly.Replace actuator and fix problem.Its a 4 or 3 wire screw in plug in front axle,, I'm happy to assist further over the phone at https://www.6ya.com ...Find the best used 2004 Chevrolet Silverado 2500HD near you. Every used car for sale comes with a free CARFAX Report. ... 1st owner purchased on 07/26/04 and owned in ID until 02/12/10 ; Last serviced at 184,199 miles in Clifton, CO on 02/08/19 ... number of owners, service history, and other factors. Many cars for sale on CARFAX Used Car ...

Now my Service 4WD light is on. I checked the wires running to the actuator, and there fine. Could it be the switch or could i have hit the actuator and messed it up ? ... (04/06/2005) Models:1999-2000 Cadillac Escalade 1998-1999 Chevrolet Pickup 1999-2002 Chevrolet Silverado 1998-2002 Chevrolet Suburban, Tahoe 2000 GMC Denali 1998-1999 GMC ...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. ... 2013 Silverado 1500 LT, Z71, 5.3L, 6L80e ...3 yr./ 36000 mi. Power / Horsepower. 285 HP @ 5200 rpm. Torque. 325 ft-lb @ 4000 rpm. MPG (Economy) 15 city / 18 highway. Curb Weight. 4,769 lbs.Between the service 4wd issue, the 8spd transmission now standard in the same model year, the clunky drivers seat, poor radio reception and a rattling exhaust it made the most sense to unload it now and minimize my loss. They way I looked at it was to sell now while new inventory is still low and used inventory is almost none and demand is high.Apr 16, 2014 · I recently bought an 04 Lb7, Vin code 1 with 146k. The "Service Brake System" light would come on intermittently, but would go away after a few engine start ups. Brakes still worked, ABS still worked, 4wd still worked, no big deal. Now however, the Service 4wd light comes on, the ABS light, and the Parking brake light all come on.99 chevy silverado 2500: the service 4wd message..engaged..2wd I have a 99 chevy silverado 2500 and the service 4wd message displayed once and then never reappeared so I tried to engaged the 4wd and noticed all the XXXXX XXXXXghts that indicate which mode the dri …26 posts · Joined 2011. #1 · Jan 29, 2012. 04 Silverado 4x4 transfer case stuck on neutral. Just replaced the transfer case. The original one locked up while driving. I got a new one and put it in but it is stuck in neutral. I can hear the encoder motor switching between 2h and all when I push the different buttons but it is still in neutral.163 posts · Joined 2009. #1 · Sep 3, 2012. I have a 2003 Silverado 1500 4.8L 4WD. For the last year or so my "Service Brake System" light will come on randomly. Sometimes when I hit bumps, sometimes when I'm driving down a smooth highway. When it comes on, it will chime for a good five minutes. Its very annoying.

I recently purchased a 2006 GMC Sierra Z71 and I have a "service 4wd" on the dash. The 4wd switch buttons don't light up. They will light up when I turn the key on but then they disappear and the "service 4wd" shows up on the dash. ... 2005 Silverado 1500HD LS 4x4 Lew Tune. Airaid MIT w/K&N drop. Cherry Bomb Vortex Exhaust. 2002 Silverado 1500 ...Jul 15, 2012 ... Go to http://www.youtube.com/playlist?list=PLAF14558A66A160F9 for more of our DIY auto repair videos! The Message Center on the dash of my ...About a week ago, the service 4wd light came on randomly. It would not shift out of 2high. During the past week the light has come and gone, some mornings it never shows, others it does. But will not shift regardless. Yesterday I tried to shift into 4 high from 2 high to see if it would work, the light just kept blinking and after about 10 ...Okay guys, 2004 Silverado, 4.8 V8,5 speed. 125,000 odd miles. Front end was just rebuilt, front pads replaced as part of the job. ... The "service" message should also include an OBD2 code, reading the code will point you in the right direction. A cheapy reader may not read the code. Ray '09 Avalanche LTZ - 5.3 - 4x4 - Black ...#1 · Oct 10, 2012. 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 …Dec 24, 2017 · IF THIS VIDEO HELPED YOU SMASH THAT SUBSCRIBE BUTTON!-- UPDATE 3/22/2024 --1,000,000 VIEWS! Thank you everyone for the support!— UPDATE 3/12/2018 —Holy crap ...

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Jun 19, 2015 · This article applies to the Chevrolet Silverado GMT800 (1999-2006). 4WD systems give truck owners unprecedented abilities when it comes to gaining traction, both on and off the road. But like most "upgrades," these systems also consist of numerous components, which over time will wear out andDetailed specs and features for the Used 2004 Chevrolet Silverado 1500 Z71 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.Used 2004 Chevrolet Silverado 2500 HD Regular Cab pricing starts at $8,298 for the Silverado 2500 HD Regular Cab Work Truck Pickup 2D 8 ft, which had a starting MSRP of $25,940 when new. The range ...191 posts · Joined 2021. #6 · Jul 25, 2023. With this “Service 4WD” message, I was also experiencing the push-button Parking Brake was automatically engaging when I shifted the truck into Park. I’d also push the button to disengage it, and it wouldn’t until I was in Drive or Reverse and would give it slight throttle.

Dorman OE Solutions 12 Terminal 4 Wheel Drive Switch - 901-053. Part #: 901-053. Line: DOR. Check Vehicle Fit. 4WD Switch With RPO Code: NP1 (2 Speed, Electronic Shift, Transfer Case) Limited Lifetime Warranty. Terminal Type: Blade.Dreaded service 4wd message. Jump to Latest Follow ... I have an 04 silverado 1500 LS with electric 4x4. But before I get flamed.. I've done as much research on the matter as I can before I got to this point. ... ('03 Silverado 1500 LS) a couple of years ago, and I had to replace some of the wiring and all the connectors (soldering everything ...I have a 00 silverado for 10 years now with 105000. When 4wd engages, be it auto or push buttoned in to 4wd, the front seems to lock like posi traction. The steering wheel can be very hard to turn. Pr … read morePublished date: 04/3/2017 Preliminary Information PIP5369B Service 4wd Message C0398 Models Brand: Model: Model Years: VIN: Engine: Transmissions: from to Chevrolet Silverado 1500 2014 - 2017 All All All All Chevrolet Suburban 2015 - 2017 All All All All Chevrolet Tahoe 2015 - 2017 All All All All GMC Sierra 1500 2014 - 2017 All All All All5. ***Changed Transfer Case Control Module in dash left of cluster behind 4WD switch. 1st noticeable, yet disappointing effect: a. "Service 4WD" message went away. b. Lights on 4WD Switch all came on and then indicated 2HI. c. After brief and slightly ridiculous celebration I attempted to actually test the system.Aug 7, 2003. #1. I searched for this topic, but all were old. This afternoon I ran into a. heavy rain and stopped at a gas station to fill up. When I started the AV and put it in drive, the "Service 4 WD" message appeared in the message center. None of the 2 or 4 WD buttons would light up. I shut the truck off and restarted, but the same results.4wd Service Light and stuck in 4wd. Jump to Latest Follow 5K views 3 replies 4 participants last post by greyhoundjoe Jul 30, 2016. O. OrangeZ71 ...#02-04-21-006E: Inoperative 4WD/AWD Lamps, ... Silverado, Suburban, Tahoe 2002-2004 GMC Envoy, Envoy XL ... or the 4WD/AWD system may be inoperative and/or the service 4WD light is illuminated. The condition is typically intermittent and always occurs at key-up. Upon investigation, the technician may find DTC C0550 set.157 posts · Joined 2017. #1 · Feb 19, 2021. This is on my 2010 silverado 1500 4x4 ecsb. Snowed like crazy this week. I turn the know the 4 hi and the light on the know just blinks and blinks, then the service 4wd message come on. Refuses to go into 4wd. So i drove to town in 2wd.☕️Support my channel by donating on Kofi ☕️! I will be eternally grateful 💐https://ko-fi.com/lightoverdozThe issue was fixed by replacing the TransferContro...To confirm: -4wd Auto works. -4wd Hi & 4wd Low both *sound like they are engaging and push button lights function as expected. -No "service 4wd" message appears on dash and has never appeared that I recall. -While in 4wd Hi or Low no power from front wheels. -4wd auto, when stuck will engage and operate as expected.

help with service 4wd message. I have a 2006 silverado 1500 5.3L with push button 4WD and have about 108000 miles on it. The service 4WD message is being displayed. When I try to switch between 2WD/4WH/4WL/auto 4WD nothing happens. The lights do not blink nor does it try to switch to that setting in which I pushed, be it in drive …

5. ***Changed Transfer Case Control Module in dash left of cluster behind 4WD switch. 1st noticeable, yet disappointing effect: a. "Service 4WD" message went away. b. Lights on 4WD Switch all came on and then indicated 2HI. c. After brief and slightly ridiculous celebration I attempted to actually test the system.Jun 18, 2015 · This article applies to the Chevy Silverado GMT800 (1999-2006). The transfer case is located to the rear of the transmission and contains two yokes. The rear yoke connects to the rear drive shaft, which is always engaged because it controls the rear axle in 2WD. When you switch the truck into 4WD, the transfer case control module forces the ...19 posts · Joined 2012. #1 · Jan 31, 2015. when i went to move one of our company trucks, a 2007 silverado 1500 lt, the dash was flashing service 4wd system. i hooked up the solus and got code c0306, while i was hooked up to it i looked at some of the 4wd data. when i change the selector switch it doesnt change the mode, 2wd LED stays lit and ...Service 4wd light on. 2000 Silverado. Silverado & Fullsize Pick-upsThe Silverado has been one of the best selling trucks in the US for decades, and is truly proven to be "like a rock". Platform: Truck, GMT 400, 800, & 900. Chevrolet Silverado GMT800, GMT900, and K2XX 4WD General Information and Maintenance Schedule.2003 Silverado HD Service 4WD comes on. 2003 silverado HD extended cab 2500. 83k miles Service 4wd message appears and no yellow lights showing and cannot go into 4wd. It has been doing this off and on now for about a month but it is lasting longer. Eventually it will go into 4wd.The service 4WD message or light appears when there’s a possible issue in the 4WD system that may require immediate attention. The most common culprit is an incomplete shift in gears. Other possible causes include electrical or sensor problems and a malfunctioning or overheated transfer case. Your vehicle will still move even with the service ...2004 chevy silverado 4wd problem. Service 4wd light on and switch selector will not change. Replaced dash board switch, encoder motor and wiring under the truck to the encoder motorr. With new encoder moder connected switch blinks when key is turned on and can press button to shift to 2wd or 4 wd, but light just blinks and nothing happens.2 posts · Joined 2023. #1 · Feb 13, 2023. My 2007 GMC Sierra 2500HD diesel had the service 4 wheel drive message come up on the dash. I changed seals and gear oil since there was a leak in the front diff from the seal and it seems water got in with the fluid. So got everything done and back together but the service light is still on and now ...

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SERVICE 4WD MESSAGE. Jump to Latest Follow ... 2013 Silverado 1500 LT, Z71, 5.3L, 6L80e, 4X4, HD Towing pkg If you can't fix it with a hammer, it is an electrical problem. Save Share. Like. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.Basically converted my 2002 Sierra to a 2005 model. The donor vehicle was a 2005 4WD Tahoe/Yukon. My truck isn't a 4WD. So now the problem... My truck, when turned on, shows a message on the odometer to "service 4WD".Oct 4, 2002 · Mileage: 181,539 miles MPG: 12 city / 16 hwy Color: Black Body Style: Pickup Engine: 8 Cyl 5.3 L Transmission: Automatic. Description: Used 2004 Chevrolet Silverado 1500 Z71 with Four-Wheel Drive, Skid Plate, Keyless Entry, Fog Lights, Alloy Wheels, 16 Inch Wheels, Heated Mirrors, Front Bench Seat, and Rear Bench Seat.2011 Silverado 4x4 Z71. Mods: TSP Tune. TSP stage 2 low lift 212/218, .550/.550 LSA 12. Port/Polished Heads. DoD/AFM delete kit. K&N 71-BlackHawk cold air. Flowmaster Super 40-Will upgrade LT and Magna Flow once I have to stop fixing random crap on the truck. Sort by Oldest first.04 chev silverado, 4WD is inoperative sometimes, comes up with the "service 4wd" on the dash, but other days it works fine, i can shift into 4wd no problem, but then once i shift back to 2wd it comes ... My 2003 1500 HD silverado service 4wd message come for the first time today, ...D. Davek1222 Discussion starter. 1 post · Joined 2019. #1 · Feb 24, 2019. I have a 2007.5 gmc with 85,000 miles on it the service 4wd light is on. I changed the transfer case shift motor and brought it down to a tranny shop for a relearn and they said open circuit and no communication. What could this be?Top 2004 Chevrolet Silverado 1500 Problems. 4WD Transfer Case Position Sensor/Selector Switch May Fail. 891 people have reported this. 307. Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail. 461 people have reported this. 190. Fuel Level Sensor Failure. 395 people have reported this.Service 4wd light on. 2000 Silverado. Silverado & Fullsize Pick-upsThe Silverado has been one of the best selling trucks in the US for decades, and is truly proven to be "like a rock". Platform: Truck, GMT 400, 800, & 900. Chevrolet Silverado GMT800, GMT900, and K2XX 4WD General Information and Maintenance Schedule. ….

2004 Chevrolet Silverado 1500 4dr Crew Cab Z71 4WD SB $ 8,999 $ 157/mo* $ 157/mo* ... For two years in a row, car shoppers named Cars For Sale a top brand in customer service in Newsweek's annual ranking. At Cars For Sale, we believe your search should be as fun as the drive, so you can start shopping millions and find yours today! ...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain 2005 LLC Service 4WD message ... So I have read as much as I could on the "Service 4WD" message I am getting displayed. Just showed up today. Fluids are good as it is regularly serviced. ... Chevy Silverado EV Forum 2K+ members. Home. Forums. Chevy / GMC Duramax 04.5-05 LLY ...The Silverado's load floor is 31.6 inches above the ground on 2WD models, 33.7 on 4WD. That's relatively low, and low is good when loading heavy cargo. Short-box beds are 78.7 inches long; long ...The video covers the most common cause of the service 4wd message in the 2003-2006 Silverado/Sierra trucks. Because it comes up so frequently, I decided not ...Is the service 4wd light on? Alot of the times its the actual 4wd switch ( the one on the dash) Save Share. Like. J. johndeere9203. ... 2008 Silverado 2500HD,6.6 Duramax,Crewcab,LTZ,4x4,Projector Head Lights, LED Taillights, PPE Diff Cover& trans pan, gooseneck Hitch, XD Wheels, Tinted Windows, EFILive, EGR Block, 5" MBRP turbo back exhaust ...Subject: Service 4wd Message With DTC C0392 or C0396 Stored In TCCM Models: 2014-2016 Chevrolet Silverado 2014-2016 GMC Sierra 2015-2016 Chevrolet Tahoe, Suburban 2015-2016 GMC Yukon 2015-2016 Cadillac Escalade Equipped with 4wd RPOs NQH or NP0 This PI was superseded to update Model Years. Please discard PIP5304.Top 2004 Chevrolet Silverado 1500 Problems. 4WD Transfer Case Position Sensor/Selector Switch May Fail. 891 people have reported this. 307. Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail. 461 people have reported this. 190. Fuel Level Sensor Failure. 395 people have reported this.157 posts · Joined 2017. #1 · Feb 19, 2021. This is on my 2010 silverado 1500 4x4 ecsb. Snowed like crazy this week. I turn the know the 4 hi and the light on the know just blinks and blinks, then the service 4wd message come on. Refuses to go into 4wd. So i drove to town in 2wd. 04 silverado service 4wd, Jun 14, 2023 ... Service 4wd Tahoe Suburban Silverado - down and dirty common issues and locations. 8.5K views · 11 months ago ...more ..., 04 silverado 1500 LT 4WD Crew cab 5.3L gas . 04 Silverado LT 4WD CrewCab. 5.3L 4L60E Trans If you think hiring a good aircraft mechanic is expensive, just wait until you hire a cheap one! Save Share. Like. RayVoy., Get the most useful specifications data and other technical specs for the 2004 Chevrolet Silverado 1500 Ext Cab 143.5" WB. See body style, engine info and more specs. ... Ext Cab 157.5" WB 4WD ..., I bought my truck in November of 2009 and with the horrible winter we had last year I got use out of the 4 wheel drive system. Shortly after using the 4 wheel drive a few times I started getting a "Service 4 Wheel Drive System" message on the dash display. When the message is displayed I can not shift into or out of 2wd, auto, 4H or 4L., My 4wd light is blinking in my 2003 Chevy silverado . 2003 Chevrolet Silverado 1500 HD. Asked by Visitor in Gaffney, SC on . December 24, 2018. ... 2003 Chevrolet Silverado 1500 HD Estimates. Fuel Filter Replacement ($206 - $266) in Salt Lake City, UT. Water Pump Replacement ($843 - $964) in North Branch, MN., Measuring the nut puts it a little over 35mm. A 35mm socket might fit depending on the tolerances of the socket itself. 36mm seems to be a better bet. Thanks for all the input. 04 Silverado LT 4WD CrewCab. 5.3L 4L60E Trans. If you think hiring a good aircraft mechanic is expensive, just wait until you hire a cheap one!, I recently purchased a 2015 Silverado, 4wd, 4 door, 6.5 bed, 5.3, 6 speed auto. First mod, replacement trans to fix the torque converter shutter. Second mod, upgrade the factory 18's to reproduction 20's with 275/60/20 Nitto terra grappler G2's., Step 1 – Remove the old VSS. The VSS is located on the front passenger's side of the transfer case. Pull back on the metal clip as well as the black wire harness connector, and then pull it straight out. Figure 2. Pull back on metal clip. Use a 19mm wrench to loosen the VSS. Figure 3. Loosen the VSS. Unscrew and remove the VSS by …, Been seein a lot of people have problems with 4x4 low so when I figured it out I made a video, Service 4 Wheel Drive Message Diagnose and fix Service 4 Wheel Drive Message. GM has issued a service bulletin # 09-04-21-001 to address a Service 4 Wheel Drive Message condition on the vehicles listed below. In addition to the Service 4 Wheel Drive Message, you may also have a C0387 or a C0569 trouble code stored., The service 4WD light has come on and on my previous post the 4wd low engaged and I had to disconnect the battery to get it back to 2wd. I looked online and a lot of people said it was the selector switch and not the transfer case module. I bought a new selector switch today and replaced it but unfortunately the light was still on., First thing I would do is check the cv axles. if one of those is broken it will make it seem like the front diff ain't engaging. If those are good than the next thing do would be to check the diff actuator. take it out of the housing, plug it in and switch between 2 and 4. it should expand out in 4 and retract in 2., Head Scratcher. 1 post · Joined 2022. #10 · Jul 1, 2022. I too am coming in late. I had a remanufactured transmission installed in my 2004 1500, and I now have the infamous Service 4WD message showing shortly after start up. It was not an issue prior to the transmission change. The switch seems to be working., If no power, check the 4WD fuse for being blown or an open in the Brown wire. 3. Check for a chassis ground on the Black wire. 4. If OK, plug the actuator back in and probe a meter on the Light Blue wire. With the vehicle in Two Wheel Drive (2WD), there should be 12 volts there., My 2009 Wrangler got stuck in 4WD. Happened twice. First time dealer repaired it with a $0.25 plastic clip under warranty. Last time was a few months ago, temporary fix involved some zip ties, "permanent" fix cost me $2 plus $6 shipping, but I purchased 2 extra parts for the next time., Been seein a lot of people have problems with 4x4 low so when I figured it out I made a video, Step 2 – Replace the 4WD selector switch on the dashboard. It might be faulty. This is an easy DIY repair that costs just $55 to $60 for parts. This easy-to-use plug and play replacement requires less than 15 minutes. If your truck is still under warranty, you can set up a service appointment to have your dealer complete the repair at no cost ..., Mileage: 181,539 miles MPG: 12 city / 16 hwy Color: Black Body Style: Pickup Engine: 8 Cyl 5.3 L Transmission: Automatic. Description: Used 2004 Chevrolet Silverado 1500 Z71 with Four-Wheel Drive, Skid Plate, Keyless Entry, Fog Lights, Alloy Wheels, 16 Inch Wheels, Heated Mirrors, Front Bench Seat, and Rear Bench Seat., Step 1 – Remove the old VSS. The VSS is located on the front passenger's side of the transfer case. Pull back on the metal clip as well as the black wire harness connector, and then pull it straight out. Figure 2. Pull back on metal clip. Use a 19mm wrench to loosen the VSS. Figure 3. Loosen the VSS. Unscrew and remove the VSS by hand., I recently purchased a 2006 GMC Sierra Z71 and I have a "service 4wd" on the dash. The 4wd switch buttons don't light up. They will light up when I turn the key on but then they disappear and the "service 4wd" shows up on the dash. ... 2005 Silverado 1500HD LS 4x4 Lew Tune. Airaid MIT w/K&N drop. Cherry Bomb Vortex Exhaust. 2002 Silverado 1500 ..., Been seein a lot of people have problems with 4x4 low so when I figured it out I made a video, Me, not so much. 2007.5 Silverado, service 4wd light, won't engage 4wd. Switch light shows it in 4wd, but just one rear tire spinning. I cleaned up the ground wire, then replaced the selector switch, then replaced the front actuator, then the transfer Case motor. Nothing. I'm still showing the CO379 code, and have no 4wd., Texas (78) Utah (1) Virginia (32) Washington (18) Wisconsin (19) Find New Or Used Chevrolet SILVERADO 2500HD Trucks for Sale, Narrow down your search by make, model, or category. CommercialTruckTrader.com always has the largest selection of New Or Used Commercial Trucks for sale anywhere. Available Colors., May 1, 2023 ... so my question is it the module is it the shift motor is it encoder motor position sensor like there's no codes coming up for it or is it ..., 1999 Chevrolet Silverado 1500. Asked by Thiel66 in Green Bay, WI on August 05, 2014. the lights on the transfer case selector switch in the dash no longer comes on. it does flash when turning the key to start the truck, but it remains in two wheel drive. Ive changed the selector switch, but that did not work., The 4WD fuse powers in the dash fusebox the front axle actuator, you may be hearing the encoder motor shift the transfer case but it is not in 4WD till the axle actuator engages the front axle. The blinking lights indicate the axle is not engaged. The 30A TREC fuse in the underhood fusebox is what powers the transfer case control module and the ..., Mileage: 116,642 miles Color: Red Body Style: Pickup Engine: 8 Cyl 6.0 L Transmission: Automatic. Description: Used 2004 Chevrolet Silverado 2500HD LS with Four-Wheel Drive, Keyless Entry, 16 Inch Wheels, Heated Mirrors, Chrome Wheels, Front Bench Seat, Rear Bench Seat, and Premium Sound System. More., The SERVICE 4WD indicator remains illuminated for the remainder of the current ignition cycle. Conditions for Clearing the DTC The TCCM clears the DTC once the conditions for setting the DTC are no longer present. A history DTC clears after 40 consecutive warm up cycles without a fault present. History DTCs can be cleared using a scan tool., Find 117 used 2004 Chevrolet Silverado 2500 as low as $5,600 on Carsforsale.com®. Shop millions of cars from over 22,500 dealers and find the perfect car. ... 4WD. Days Listed. 7. Price. $354 above avg. Mileage. 81,866 miles below avg. TB Auto ... For two years in a row, car shoppers named Cars For Sale a top brand in customer service in ..., 1999-2006 Brake Line Diagram for Silverado, Sierra, Suburban. This brake line routing diagram is applicable for: 1996-2006 Chevy Silverado 1500/2500/3500. 1996-2006 GMC Sierra 1500/2500/3500. 2002-2006 Cadillac Escalade. 2000-2006 Chevy Tahoe 1500. 2002-2006 Chevy Avalanche 1500/2500., Jan 15, 2012 · If the actuator does not engage the front axle assembly within 10 seconds, the TCCM sets DTC C0379, illuminates the "Service 4WD" light and disables the 4WD system. There have been reports of vehicles with front drive axle actuator assemblies that take longer than 10 seconds to engage, setting this code. Correction., Four-wheel drive service message troubleshooting for a 2001 Chevrolet Silverado 1500: 1. Check the fuse: Start by inspecting the fuse related to the four-wheel drive system. If the fuse is blown, replace it with a new one of the same rating and see if the issue persists. 2., Jan 7, 2019 · Eventually, the Service 4WD message began appearing on the dash. It is intermittent and completely random. Basically what happens is when I start my truck, I can shift between all of the 4x4 modes using the selector switch. After a short period of time, which can range from 15 or so seconds, to 30 minutes, the Service 4WD messages comes on the ...