Service 4 wheel drive light came on

What Does the Four Wheel Drive Warning Light Mean

  1. Usually labeled Service 4WD, when this light comes on, a code will be stored in the computer's memory to help identify any issues. Depending on the problem, the four wheel drive may be disabled temporarily. Sometimes if you haven't used four wheel drive in a while, the computer may think that the transfer case isn't lubricated properly
  3. Well, mom hijacked my car this morning because the Service 4WD light came on in her Trailblazer and she's afraid to drive it. I'm thinking she should be okay as long as she isn't trying to use the 4WD, but I just wanted to see what others thought about the potential causes.Any theories on what it might be
  4. g on again, concurrently with the 'traction control off' light
  5. der to change out the differential fluid or do I have some other issue going on. Im approaching 70K miles
  6. g equipment. Reprogram
  7. ated With C2201 Set OVERVIEW: This bulletin involves flash reprogram

The service 4 wheel drive light comes on in my 05 Chevy S

Service 4WD light on Trailblazer - Possible causes

  1. http://www.hangtownauto.com2000 Chevrolet Silverado - service 4wd light is on and 4 wheel drive is not engaging. Client decided to just start replacing parts..
  2. g on and ABS sensor co
  3. 4 wheel drive service light will come on after switching to 4 high. Selector swith will fail and is stuck in 4 high. I have 4wd Tahoe switch is stock on 4hi and ,if i press 2h light is blinking service 4wd massage comes on and goes back to 4hi ,change the switch but didn't help . Report. 2005 Chevrolet Tahoe 65,000 mi
  4. On March 5th/2018 my 2007 Silverado Chev 4x4 Service four wheel drive light came on. It wouldn't go into 4 wheel drive. On the 8th, it cost a pretty penny to have it fixed at a good dealership where I bought the truck. They have a service there and they are a huge company. I brought it home and 2 days later, the light came back on
  5. really never used 4 wheel drive when i put in park or neutral and press 4 high or 4 low from 2 wheel drive it makes a clunk noise but goes in but doesnt always want to come out it takes a few trys and service 4 wheel drive light comes on after i start driving a few miles down the road dont know what it is put it on machine no code came out
  6. I have a 2005 Chevrolet Silverado and my SERVICE 4WD light comes on about once a week. When the light is on, the truck won't engage into 4-wheel drive. When I turn my truck off and start it again, the 4-wheel drive will work until the next time the light comes on
  7. utes, so i stopped messing around and went and got gas. Turned it back on and never came back on during the 10 mile drive home

Service four wheel drive system light comes on when trying trying to put my 05 Grand Cherokee into 4low. It won't go into 4low 27 Answers. My Jeep feels like its locked in 4 wheel drive and transfer case or front end aren't letting it do diff action when moving either forward or rearward and turning from a stop. Feels mechanical and. The service 4 wheel drive light comes on because there's a problem. The biggest causes of this I've seen are a software glitch in the final drive control module which the dealer can fix by reprogramming and the other is usually the electric actuator on the front axle housing. The only light that comes on by a timer is the one that says. Kerb2Kerb. The service 4wd system warning has just come up on my car , along with the traction control light. The car was driving perfectly fine, I parked the car and turned it off when I returned a few hours later and started the car the service 4wd system warning came up. It seem that the rear electronic controlled limited slip differential. The 2015 Jeep Cherokee has 5 problems reported for service 4 wheel drive message comes on. Average failure mileage is 58,050 miles Service 4wd Light (code C0550) My 1999 Chevy Blazer With 121,000 Miles And 4.3l Has The Service 4wd Light On. The Blazer Will Not Shift Into Any Mode Of 4 Wheel Drive

'service 4wd' light, again! Jeep Garage - Jeep Foru

  1. ute job. Works great. Got 4 low back, it all works the way it should again
  2. The Service 4WD light came on and off over several weeks, but finally stayed on daily. 2005 GMC: my truck..transfer case was jumping..neutral..4 wheel drive. 2005 GMC Z71 1500 extended cab. I changed the encoder sensor in my truck last night because the transfer case was jumping into neutral every time I stopped at a light
  3. Vehicles that have four wheel drive systems tend to have a separate light to indicate an issue with the system. Usually labeled Service 4WD, when this light comes on, a code will be stored in the computer's memory to help identify any issues. Depending on the problem, the four wheel drive may be disabled temporarily
  4. My SVC 4WD light is on and has been for about a year. If I turn it, nothing engages - no hi, no lo, no noises. I pulled the dash apart and the plug is firmly into the switch. There is also power going to the switch. If I understand correctly, the problem is most likely due to either: 1. A Faulty Switch
  5. I was getting the service 4wd light for a few days and now getting the service stability control. My traction control light comes on and then no lights on the 4wd panel. Truck drives normal, i just did a 3 hr round trip last night and actually on the way home none of the service lights came on
  6. A lot of the time, a flashing 4WD light is no reason to be alarmed, because it simply means that the system is working as designed. On vehicles where four-wheel drive is only activated on demand — that is to say, when traction conditions require it — this light shows up to tell you that it's been activated. In a way, it's similar to the stability control or traction control lights on.
  7. ate. Diagnosis may reveal that the ATC fuse could be open, possible DTC C0308, or various U codes may be set. The encoder motor may also be shorted or the TCCM may be damaged. Perform a component check to ensure the encoder motor is not damaged

Video: Service 4WD light coming on - 2000-2014 Silverado

There is a common problem with 1999-2001 Chevrolet Silverado where the service 4wd light comes on in the vehicle. The light is scary and led me to believe there were major issues with my four wheel drive, but it turns out its a quick, cheap, and painless fix by swapping out the 4wd selector switch When driving my truck to day I noticed that the service 4wd message was on my DIC. I shut the truck off and restarted the truck. Upon restarting the truck I noticed that while starting it all the led lights on the 4wd push buttons came on never noticed that before but honestly never looked at the buttons while starting the truck.The lights then go out and the led on the 2wd stays lit Joined Nov 3, 2007. ·. 3,369 Posts. #7 · Sep 4, 2009. Mine was acting up pretty bad for awhile. I kept trying to reset the computer. I finally started looking at the wheel sensors and wiring. One of my wheel sensor had come lose on the connections up in the wheel well. The connections had been pulled apart on some off-road trip The check engine, VSC and 4WD lights cleared within 5 start-run cycles, 50 miles and 1 day. The coil was a Duralast part number C1601 from Autozone for $112.99, plus tax. So for future reference: A=1, B=2, C=3, D=4, E=5 and F=6; and the cylinder numbering scheme from my last post was correct

Service 4WD Light on Dodge Ram — Ricks Free Auto Repair

1,311 Answers. Re: 2003 Trailblazer, service 4 wheel drive light on,... Service 4WD light will come for a number of reasons; TCCM is not communicating, TC actuator is not following TCCM command, Front splined disconnect actuator is not engaging. Posted on Mar 13, 2014. Helpful 0 I own a 1999 GMC Sierra Z71 that I never put in 4WD. About a month ago, a few minutes after starting the engine, the Service 4WD light came on. After restarting the truck, the light did not come on so I thought nothing of it. About a week later, it did exactly the same thing, so I restarted it again

Joined Jul 2, 2009. ·. 569 Posts. Discussion Starter · #1 · Jan 26, 2014. I posted in the general discussion area too. My service 4WD light is on and i cant find any reason why. The XRT pro doesnt show a dtc so it wont do anything. The manual doesnt show a fuse or anything, and i havent used four wheel drive for quite some time so i dont. It was common for the wires to corrode & cause a break in one of the wires. When that happens, the 4WD! Light would go on. Clean off the corrosion, reconnect all 4 wires & that should turn off that light. #3The next area where Patriots have issues with that same light ''4WD!''. Now this one is strange & worries me & heres why

The service 4 wheel drive light came on. I have replace the dash switch. Which did not fix the problem. I have no lights come on the switch and no 4 wheel drive engaging. I have been told probably the encoder motor is bad or the sensor is bad. I do have 12 volts on the back of the switch but no lights come on the switch sherwood oregon. I bought a new 2012 dodge ram diesel. the service engine light came on at 130 miles dodge couldnt find anything. and it has came on at 300 miles and than off dodge said they couldnt do anything with it off and know it is just tuned on at 507 miles. I will take it in again next week 281 Posts. #14 · Sep 20, 2014. Mine ended up being the encoder motor. Every once in a great while service 4wd would flash on the DIC, then started in with the lights being off, meaning I'd be in 2wd but it would say I was 4hi, 4lo, or Neutral. Normally I'd just turn the truck off and back on and it would fix itself 4wd! Light Intermittently Tyler-98-W68 I have a 2009 Patriot and the light is intermittent when I am driving sometimes. I can drive down the highway for 2 hrs and then suddenly it will come on, be on for a minute or two then goes off

What does it mean when your service 4 wheel drive light comes on? If it stays on, or the Service 4WD System message is displayed, there is a problem with the 4WD system. The Service 4WD System message does not mean it is time for routine maintenance of the 4WD system; rather, it indicates a problem with the 4WD system that should be. Usually labeled Service 4WD, when this light comes on, a code will be stored in the computer's memory to help identify any issues. Depending on the problem, the four wheel drive may be. The purpose of the 4 wheel drive light is to indicate when you have engaged 4WD mode by selecting 4H. When the light flashes continuously for more than 30 seconds it signifies there is a problem somewhere on your drivetrain system and that 4WD has not engaged properly. Once 4WD mode is engaged successfully, the 4×4 light will shine a solid. Just recently on Aug. 18 my Service 4WD light came on. Funny thing though - my 2001 Dodge Durango is a 4x2. I did some checking and there is a Technical Service Bulletin regarding this problem.

A malfunctioning 4WD system in a Ford F-150 or F-250 will generally trigger several warning signs, including a continuously lit 4WD engagement light. Follow these diagnostic steps to troubleshoot the 4WD system and finally get that warning light to disappear A sensor failure or inaccurate signal may be responsible for both lights or circuits being affected. In either case a scan tool will be required to diagnose the circuit further and figure out the source of the problem. I have the same issue. I was told that there was a wheel speed sensor for my abs I also heard a loud bang on the passengers side (opposite where the rock was) and my service 4WD system warning light came on. I backed out of the hole and checked underneath. Nothing visible. Turned the Jeep off/on and the code reset. DHX) or Quadra Drive II (sales code AWB) **and built on or prior to May 19, 2006 (MDH 0519XX)**

The Service Stabilitrak light will usually appear first and then the car will turn traction control off. Once traction control is turned off, the transmission beings to shift very hard and rough. Additionally, the warning light most commonly appears in cold temperatures. Loss of engine power and or limp mode are also symptoms in addition. Discussion Starter · #5 · May 12, 2017. UPDATE: i took it to a shop in the morning to have him read the code since the service awd light usually doesnt come on for about 30 mins into driving or so. He said there were 2 codes, both for the coolant temp sensor. Apparently this model hemi uses a plastic temp sensor and goes bad easily, so I'm told The traction control light would come on also when I got the service four wheel drive message but I think it's a default thing for it to turn off when there's a problem with the 4wd system I'm waiting on the differential to get here and get installed I'll let you know what comes of it The service 4 wheel drive message popped up and the knob to change from 2wd - 4wd light was stuck on 4wheel drive (i turn it to 2wd drive and it showed that it was in 4wd) but 4wd wasn't working. I turned the truck off for about a minute and the knob was working but I was still unable to get the 4wd to work

2015 Cadillac ATS Broken Control Arm: 1 Complaints

2011 R/T Plus AWD with about 89000 miles. SERVICE AWD light has come on periodically and most recently last night after making a left hand turn while using the auto stick. When the SERV AWD light comes on the AWD system does not work - rear wheel drive only. When I turn the car off and restart.. 6.5block in 6.2 trim with a TH400 attached 95 6.5 block, most of the IP, flywheel, and pressure plate. 95 Chevy Suburban 1500 blue bomber 2000 Chevrolet extended cab long bed 2500 6.5L HO:coolnana 2oo7 yukon 971 miles service 4 wheel drive light came on, 2 days at dealor, calls to GM, tenative diagnois, speed sensor unit(?) part on back order ok to drive. Back at home pulling out of drive way, air vent fan slows down and on stary ready voice comes on, applantly goes off and then the air vent fan resumes speed Inoperative All-Wheel Drive May 1, 2010 12:00 AM On some 2008-2010 Enclave; 2007-2010 Equinox, Acadia; 2007-2009 Torrent, OUTLOOK; 2008-2009 VUE; 2010 Terrain; and 2009-2010 Traverse models equipped with All-Wheel Drive, the All-Wheel Drive System may become inoperative with a Service All-Wheel Drive (Service AWD) light On

My problem with it now is that after driving for a couple of miles i'll feel something happen with the ABS and my brake pedal, then all of the Traction control/ABS/4WD lights come on. Once the vehicle has come to a complete stop, say at a light, it then seems to have trouble catching gear and makes a HORRIBLE grinding/clunking noise until it. 2005 Service 4wd, no lights on switch, stuck in 2wd. Dec 21 2017, 2:36am. Hey guys so on my 05 lly the 4x4 is acting up. For awhile it would ocassionally give me the Service 4wd message and the lights on the switch would go out. Then it would come back. I tried reflowing the solder joints on the switch, and that didn't work

At about 300 miles I turned it on and the service 4wd came on. I turned the Trailhawk off. Turned it on and the message didnt read. A day or 2 later it happened again. Now it stays on and no 4wd. Took it to the dealership and they'll have to keep it 4-5 days. Ill try to come back and notify yall what happens The service 4wd notification appears on the DIC but not on a regular basis or in any predictable pattern. I tried to pull the fuse for the 4wd system. When I did, ALL of the lights came on all at once, including the red N light

415 Posts. Discussion Starter · #1 · Feb 16, 2015. noticed last night the service 4wd message came up, on the selector only auto lights up, no led in 2wd 4h 4l and its stuck in 4x4 it feels like. i see lots of recalls on sierras for the tccm software for this but nothing canyon specific, anyone had this? i did notice the sierra issues were in. 10 Posts. #41 · Jun 11, 2015 (Edited) PandaTech88 said: Hello everyone, I'm new to the forum. I got my renegade limited last week and around 212 miles on the odometer, the service 4WD light came on. I turned the engine off and back on and it went away. I didn't want to chance it and brought back it to the dealership this past Monday

Discussion Starter · #1 · Mar 4, 2010. I have seen this thread in earlier model Dakotas but I had the same problem with my 2006 4.7 ltr 4WD. As in earlier threads the 4wd service light was coming on. The system would shift into 4lo or hi on its own, even with the engine off. A reflash of the CCM was done with no results service 4 wheel drive light indicates the tranfer case control module has seen a problem in the transfer case or front differential actuator. when i say problem with the transfer case it see's speed sensors, encoder motor itself (the motor on the tranfer case that moves the shift fork inside for 4x4) or the position sensor in the encoder motor. these trucks are MORE than notorious for the. The wrench light in the Ford F-Series trucks is very similar to a check engine light. When the wrench light comes on the vehicle may go automatically into limp mode, which limits the capabilities of the engine and transmission in order to reduce mechanical stress on the possible failing components. The wrench light will come on due to low. My 2004 T/B LS 4wd service light came on just in time for winter. Dealer diagnosed this as some motor that is used in the 4wd system had failed and of course needs to be replaced for $600. The service light comes and goes and if I try the 4All and 4Hi, it kind of bogs down , rumbles and ends with a thud when I shut the 4wd off

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Service 4wd light *(updated after dealer visit

  1. Aitkin, MN. Posts: 160. December 14, 2006 at 4:10 am #1252546. I have a 2005 Suburban and the Service 4wd message comes on periodically. Everything up front checks out fineu joints, fluids etc. I am hoping to NOT spend $800 just to have a new fuse put in or something dumb like that. The 4wd works fine when the message light isn't on
  2. hey reading the past post i think i can put some insight on what your problem is.if you are getting a message that say service 4x4 and you can see the all the lights on you 4x4 buttons are not light up you are going to need a new 2 wd 4wd switch sensor it comes as a whole button cluster the cost of this part a chevy is 90.00. now if you get a message that says service 4x4 and stability system.
  3. 4WD: The Suzuki Vitara 4wd warning light comes on for the following reasons: A problem has been detected with the four-mode 4wd system. In this circumstance, the system will automatically be deactivated. Flashing 4wd warning light The 4wd drive warning light begins flashing when: Wheels of different diameters are fitted to the vehicle
  4. The Ford C3 transmission and its descendants are a family of light-duty longitudinal automatic transmissions built by the Ford Motor Company.. The Bordeaux Automatic Transmission Plant, in Blanquefort, France (in the Bordeaux metropolitan area) produces automatic transmissions for a variety of rear-wheel drive vehicles. The facility opened in 1973 and was shortly followed by an expansion, the.
  5. The light that comes on when 4 wheel drive is engaged is not the service light. It is just an indicator light that comes on to let you know the 4 wheel drive is engaged. It will go off when the 4.

My service four wheel drive light came on n not shifting good. I had my transmission rebuilt and afterwards the car wouldn't start. That's fixed but then it was shifting through all gears before twenty miles an hour, iput anew computer in it and it fixed the sodding problem for aweek, now the service 4 wheel drive light is on and it is not. Got the programmer. All is well in my world. 100% perfection. Headed to Ouray Co. on Monday. Looking Fwd to sharing the great trails I did with my Daughter last year, with the wife and her parents next week. Happy trails I was driving to the beach and the light just came on and hasn't went off, been about 4 days now. I checked the fluid which was somewhat low. Should I restart the computer since it needed fluid and see if that was it? Are these trucks so smart that if the fluid in t-case is low it will show SERVICE 4WD light This light came on in my display soon after purchasing my 05 Jeep Grand Cherokee Limited 4x4 5.7 Hemi Quadra-Drive II. Took it to 2 dealers, 3 separate times. All with the same results, reprogram Final Drive Control Module, FDCM, with no trouble found. I was discussed, but did not want to have that light to come on all the time service 4 wheel drive light comes on & push buttons won't shift into 4 wheel drive. Answer: Well, there are a actually a few things that can cause this. A faulty 4wd selector switch. (The switch you press with the lights). A bad control module. It is located in the dash behind the headlight switch. A bad encoder motor

A common reason the service 4 wheel drive light goes on in the silverados is a malfunction of the dash mounted transfer case control switch. There is actually a TSB on the switch assembly. This is. If it fails to move to the new position, it goes back to a solid light on the original position and illuminates the SERVICE 4WD light. Does the SERVICE 4WD message come up as soon as you start the truck, or does it only activate after you try to select a mode other than 2 Hi I have 1800 miles on my JLUR and starting yesterday mine did the same thing, but is tied in with ABS and Traction control codes as well. It has been randomly coming on and off as I drive it without anything seeming to be actual wrong with the Jeep. It does say 4WD is temporarily unavailable when I start it, so there's that annoyance as well Howdy all, I have an intermittent issue where the service 4wd light will come on. The first was about 30 minutes into a long highway trip while going about 75 mph. The other two have occurred within a minute of starting up first thing in the morning. I'd take it to the dealer, but the light..

Service 4WD fault light Dakota Durango Foru

2004 Z71 3.5, 4x4, 3.73 2'' shackles, Bf Goodrich All Terrains 32x11.5 Gm Crome Brush Guard Satalie Radi The service tire monitor light is a warning bulb connected with the TPMS or Tire Pressure Monitor System, which notifies the driver of low or high air pressure in the tires. These sensors became especially popular on vehicles from the late 1990s onwards, and are a prominent feature on first generation Silverado 1500's RE: 4WD service light and a question. IP: Logged. Message: I have a 2001 Dodge Dakota 3.9 Liter Club Cab and I am having the. same problem. The weird part is, the Service 4WD light came on. yesterday and my truck does not have 4WD. I wouldn't expect to. even have the 4WD module since I don't have the 4WD option Literally drive it STRAIGHT to the nearest dealership and leave it running. The ONLY way for them to know WHY the wrench light lit up is to hook it up to their diagnostic machines while the light is on. There are 12 different reasons why the wrench light can come on and they won't know why if you shut your car off

My SERV 4WD light on the dash comes on and then goes off. Doesn't seem to be any rhyme or reason for it. It's a 2012 2500 4x4 diesel. Sent from my XT1710-02 using Tapatalk. Since it is intermittent, this is more likely an electrical/sensor issue vs a real 4w issue 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. Before I go to dealer can anyone tell me what is going..

Service 4 Wheel Drive Message — Ricks Free Auto Repair

Had service 4wheel drive warning coming on as well. Had my buddy scan it (autozone also can do it for free). No codes came up. So withthe key on,we switched it through all the drive ranges, 2hi,4hi and 4lo,just to be sure actuator was working (you can hear it),then did some light off roading,through all the ranges Lubrication is especially important if you won't be switching your Silverado 1500 into 4DW on a regular basis. To avoid having your 4WD selector light come on and go off at random, it's recommended that you switch your vehicle into 4WD at least once a month and properly maintain your transfer case fluid Step 1 - Check the 4WD gear selector. The shifter could be in the wrong gear. One of the reasons why the 4WD light on your Ram is blinking could be that the 4WD transfer case shifter (or button) is stuck between gears. The only way to make sure it's in the right position is to do the following The Service 4 WD indicator light came on and stayed on for about 5 miles this morning. I rarely use the 4WD function usually just using it on a dirt road to make sure it gets used. Would this indicate the need for a f My wife has an 08 Patriot, the 4wd! is currently coming on when we drive. After taking it for a oil change it was found that this is the sensor that is in the rear diff. I think this is used to check against the wheel sensors to work out what wheel maybe losing tracking etc for abs and 4wd. Anyway, the wire has split very very close to the diff

What causes ABS, ESP/BAS and SERV 4WD lights to ligh

Last week my 08 Acadia with 48,000 miles started giving the service all-wheel drive message. Took it to the dealer. After a couple of hours it was decided that a new all-wheel drive module was required ($700). Luckily, it was not in stock. Two days later the message went away and has not come back Well this is the first time I have used my 4 wheel drive since I got the car. So yesterday I went to put it in 4wd auto and in less then a min the 4 wheel drive service light came on and it switched it from auto to 4wheel high. Has any one heard or have had this happen to them. I am planning on taking the truck to Chevy this weekend. Jan 28, 2009 Have an 2005 Chevy Silverado that the Service 4 Wheel Drive light comes on and the truck is stuck in 4 wheel drive. Took it to a local machanic and he reset the computer and it worked for a short period of time. It has come on again and is stuck in 4 wheel drive. NEED HEL DESCRIBE ISSUE....I am getting an intermittent svc 4wd light. It seems like it comes on when it is started up for the first time when it is very cold outside, but not always. I can let it run for 10-15 minutes and if the light is on when I go out to leave, I can shut it off and restart it and light will be off. I cannot use 4wd when the light.

E350 2007 - ESP light is ON - Mercedes-Benz Forum

Why does my dash say Service 4 Wheel Drive? - CarGuru

SERVICE 4 WHEEL DRIVE COMES ON, ON REMOTE START,CAR WONT START WITG KEY; Check engine light comes on with EVO-ALL when initiated.. check engine light comes on and code reads can bus not connected; FAQ - Check engine light comes on with EVO-CHR and THAR-CHR2. Installed remote start on my jeep liberty and the check engine light pop u Only once 4WD is engaged, should the CV and front drive-shafts rotate. If there is strong vacuum and the drive-shafts are still rotating, there is possibly a problem on the wheel end with the actuator that engages the hub. This will require you to remove the front wheels and investigate a bit further. 2007 F150 4 Wheel Drive Problem (Not Engaging If anyone owns a Chevrolet Silverado 4x4 with electronic shift and has a service 4 wheel drive light come this solution will save them a ton of dough. I went to 2 mechanics to try and find the problem and they both sent me to the dealer who wanted over $100.00 just to check the problem and I had to leave the truck for the day A Service 4WD message or Service Engine Soon message may display on the Driver Information Center of some 2019 Silverado 1500 and Sierra 1500 models. The following DTCs may be set: P1899 (Axle Torque Secondary Signal Message Counter Incorrect), P189A (Four Wheel Drive Range Secondary Signal Message Counter Incorrect), or P2534 (Ignition On. Chevy reprogrammed the transfer case in our 2014 Silverado, now when we park it in two wheel the four wheel drive will lock in while its parked and the service four wheel drive light will come on

The service four wheel drive light comes - JustAnswe

  1. ated when he first purchased the vehicle in August of 2008. The dealer repaired the vehicle per the warranty and replaced a switch underneath the instrument panel; the failure recurred in December 2009. Was co
  2. Service engine light came on at 9973 miles. Took it in was told updates needed. They did them, knocked out code. This is when blare of horn began. Light came back on at 10793 miles. This time they acknowledged code as thermostat. Kept her for a week due to back order. Waiting for BCM, on back order until April
  3. g the computer tells them to not attempt another shift once the SVC 4wd comes on
  4. or problem with the electronics or your car's engine. Some manufacturers use the service engine soon light instead of the check engine light when there is just a
  5. While driving at any speed 4-wheel drive disengaged on its own. Soon after, consumer engaged the 4-wheel drive and a service 4-wheel drive light came on. When 4-wheel drive light came on 4-wheel drive disengaged. Dealer was aware of the problem, but could not resolve it. See all problems of the 2003 Chevrolet Tahoe
  6. The service four-wheel drive indicator light is the characters SERV 4WD. It lights up when you turn the key to the ON/RUN position and turns off. If it remains lit or turns on while you are driving, have your four-wheel drive system serviced
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4-wheel drive light, my 2003 $35,000 Envoy's service 4-wheel drive light came on the first time at 574 miles. The second time at 4,242 miles. The third time at 6,490 miles. The fourth time at 9,387 miles. It was then towed in for a fifth time just after that for several other problems. It went through three ignition switches in one week What does service 4x4 light mean Anyone who off-roads for a hobby knows that four wheel drive is a must have. Unlike two wheel drive cars, vehicles equipped with four wheel drive (4WD) have a transfer case that takes the power from the engine and sends it to the front and rear wheels Your Chevy Silverado's brake light indicator is there to let you know that there is an issue with the brake system.It is different than the anti-lock brake system, which gets its own ABS warning light.The brake light indicates that there is a problem with the physical braking system itself.. If you are reading this article trying to figure out whether you should drive your vehicle, check the.