Service 4wd 04 trailblazer. No prior issues or incidents.
Service 4wd 04 trailblazer. 3L V-8 162000 original miles.
Service 4wd 04 trailblazer Abs light is on brake light is on service 4wd light is on. com®. This guide will walk you through the steps required to replace the actuator yourself. There will be diagnostic codes stored that will aid in proper diagnosis and repair of I have an '04 Envoy and the 4WD system works fine, except sometimes during hard braking, the Service 4WD light comes on. Here’s what you’ll need to get started: Tools and Materials Needed: New 4WD actuator (make sure it’s compatible with your Chevy model) WOW! Thanks to all your posts, I just "fixed" my 4wd problem. fault code(s) should be stored in the transfer case control module and must be read with a Not sure what the “SERVICE 4WD” warning on your dash means? The Service 4 Wheel Drive light can come on for various reasons, including transfer case or actuator issues. It still runs fine and I contacted the previous owners and they said they hadn't had any problems whatsoever with the vehicle. Bulletin No. On the way home the ABS, Parking Brake, Maintenance Required and the Traction Control light came on. Subject: Inoperative 4WD/AWD Lamps, Inoperative 4WD/AWD System, DTC C0550 Set, No Communication with TCCM (Reprogram Transfer Case Control Module) . Mark helpful. Service 4 WD light goes out if I turn engine off and then restart engine. . Test drove it and everything seemed fine to me. We have a 2002 chevy trailblazer 4WD EXT the 4WD service light is on. I opted to replace the 4WD Encoder Motor and also replaced 4WD Selector Switch. Date: July 20, 2006. At Cars For Sale, we believe your search should be as fun as the drive, DTC-C0321: Motor A or B Circuit Failure Description: DTC-C0321 will be set when the Transfer Case Control Module (TCCM) fi nds a fault in an open lock solenoid, open motor lock control, or an open motor feed. 2002 Trailblazer LTZ, 4. 2 I-6, 135000 miles, bone stock, the daily driver. Moment of truth was hearing the motor do the switching in the transfer case. $145. Not ran since code cleared". 2L I6, Had the Service 4WD light come on when heading home from work on Friday. 99 - $170. video/ia-1AFWA00024This video shows you how to install a 4-wheel drive actuator in your 200 When I start my TB the Service 4WD, StabiliTrak service, Stabilitrak indicator, Brake System, and Anti-Lock Brake System warning lights all come on together. Want Answer 0. The new Selector Switch does not light Buy Now!New Four Wheel Drive Actuator from 1AAuto. I would need to look that up in my notes as I cannot right now remember if that status is $04 or $08. i now have Service 4wd on the dash and the selector lights up when keyed on but it is still not working. Regular maintenance can help prevent these issues. 3 liter, 4WD: Last winter a garage informed us that we needed a new encoder motor to resolve Service 4WD light. TECHNICAL. So, you should check it out and get it fixed. He is not just a passionate fan but also a seasoned off-roader with many years of automotive expertise. ; Increased Maintenance Costs: Due to the complex nature of AWD systems, they often require Just bought a 2006 chevy trailblazer LS today with 70k miles on it. I have an '04 TB. 72 people found this helpful. No codes provided to us ( if any were obtained). Gary | 15 This one is so easy, reseting oil change light Find 69 used 2004 Chevrolet TrailBlazer as low as $1,999 on Carsforsale. 3L V-8 162000 original miles. This will cause the 4WD to be disabled and will turn on the “Service 4WD” trouble light. Thanks in advance for any input. To summarize, here are the 10 steps on how to clear the Service 4WD Light on your vehicle: Check the Owner’s Manual. 00. Understanding what it means and how to fix it can save you time and money. 20 years auto repair experience, ASE Master Tech, Learn how to resolve the service 4WD light on your Jeep! Expert solutions revealed to keep your off-roader running smoothly. Try and move the switch to 4lo and service 4wd light comes on with no light over 4lo, remains at 4wd. Disconnect the Battery I have 2004 Silverado with this same issue (No lights on selector and no service 4wd indicator). 4 wheel drive works in 4 high or 4 Normally, the cycle time for engagement is under 3 seconds, regardless of temperature. You should Service 4wheel drive light comes on The 4WD in this vehicle is computer controlled. Posted by chilango44 on Jul 15, 2011. Condition Some customers may comment that the 4WD/AWD indicator lights on the selector switch do not work, or the 4WD/AWD system may be inoperative and/or the service 4WD light is illuminated. Conclusion – How to Clear Service 4WD Light. Delete from my manuals. The years available stretch from 2002 through to 2003 Tahoe, 5. by Spencer Cates on September 09, 2016 Warning Light is on Inspection Cost. "Service 4WD" light went off. Now however, the Service 4wd light comes on, the ABS light, and the Parking brake light all come on. Customer: i have a 03 chevy trailblazer service 4wd light is on, and when i move the shift knob to 4hi,4lo the light stays in 2hi does not change. Resets and goes out when the ignition switch is cycled. Add to my manuals. General Discussions 01-04. Let’s review everything you need to know about the Service 4 Wheel Drive warning light. If the Service 4WD light is on, there may be an issue with the system. 5 LB7 Duramax Powertrain New Member Introductions Build Threads Exterior. B0770, B0775, B0780, B0785, B0790 and B2725. Have checked ground wires and cleaned all. I came home, checked this forum, went out to my TB, turned and held the selector switch past 4LO for 10 seconds, then started I just looked at a 2001 Chevy trail blazer and it has 231, 567 miles and the service 4wd light is on. Save Share 2009 Trailblazer - Service 4 WD light comes on after turning left or right. Customer: I have 04 chevy trailblazer. Price #03-04-21-005 - (Jun 5, 2003) Service 4WD Light On, 4WD Inoperative, Diagnostic Trouble Codes (DTC) C0300 and/or C0305 Set (Reprogram Transfer Case Control Module (TCCM)) 2003 Chevrolet Avalanche, Silverado, Suburban, Tahoe, TrailBlazer 2003 GMC Envoy, Sierra, Yukon, Yukon XL 2003 Oldsmobile Bravada with 4WD (RPOs NP4, NP8) Condition Bulletin No. but, the ligth service 4wd still on and no ligths on the switch. 2 AWD EXT with the dreaded SERVICE 4WD LIGHT lit on the cluster. Service Location. The lights on the dash switch came on. Should I buy it or not. : 05-04-21-003C Date: April 15, 2008 Subject: Service 4WD Light Illuminated, DTC C0374 Set (Inspect Wiring Harness to Transfer Case Speed Sensors,, Replace Wiring Harness) Models: 2004-2007 Buick Rainier 2003-2006 Chevrolet Avalanche, Suburban, Tahoe 2003-2007 Chevrolet Silverado Classic, TrailBlazer, TrailBlazer EXT See here for details from a Chevy Trailblazer owner. Any suggestions or wiring diagrams Please discard Corporate Bulletin Numbers 02-04-21-006D and 03-04-21-006 (Section 04 -- Driveline/Axle). The “Service 4WD” light on your Chevy Trailblazer is a sign of a problem. Replacing the 4WD actuator in your Chevy can seem daunting, but with the right guidance and tools, it’s definitely manageable as a DIY project. Models: 2004 Buick Rainier 2002-2004 Chevrolet TrailBlazer, TrailBlazer EXT 2003-2004 Chevrolet Avalanche, Silverado, Suburban, Service 4x4 light Hey all, I have a '05 4. : 02-04-21-006E. I'm having problems with my 04 envoy. I put it in 4WD this morning and had no problems. i checked to make sure fuses were not blown already. Inspect the 4WD System. Install the radiator support brace to the front My 04 TrailBlazer LT popped up the Service 4WD light. Why would braking make the light What Does Service 4WD Mean On Chevy Trailblazer? When you see the “Service 4WD” light on your Chevy Trailblazer, it can be alarming. ). Service 4WD Light Thanks . 2004 Chevrolet TrailBlazer LS LS 4WD 4dr SUV car shoppers named Cars For Sale a top brand in customer service in Newsweek’s annual ranking. This Article Contains: Anyone have access to or know the TSB number for the Service 4WD light problem on a 2002 (Reprogram Transfer Case Control Module) #02-04-21-006B - (08/18/2003) with Electronic Shift or Active Transfer Case (RPO NP1, NP4 or NP8) Correction Remove the underhood 2003 Chevy Trailblazer 4WD LT Dark Grey Metallic SS Speed 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 View and Download Chevrolet Trailblazer service manual online. com https://trq. This light indicates a problem with your vehicle’s four-wheel-drive (4WD) system. Download Table of Contents Contents. if it stays on, or the "service 4wd system" message is displayed, there is a problem with the 4wd system. Get current 2004 Trailblazer fair market price, depreciation, trade-in, and resale values from the trusted experts at Kelley Blue Book. There has been the Technical Service Bulletin #02-04-21-006E regarding the 4WD symptoms you described. We put a new actuator and ECM on the vehicle and. The "Service Brake System" light would come on intermittently, but would go away after a few engine start ups. Read expert reviews, check safety ratings, and compare the VIN: 1GNDS13SX42156224 Stock: 156224 Certified Pre-Owned: No Listed since: 04-03-2025. I have a 2004 chevy trailblazer 4x4 with 41,000 mile and i had to get the trottle body replaced about 2 weeks ago and a couple of days later the service 4wd light came on. if the message "service 4wd" is appearing than there is a problem with the four wheel drive system. Trailblazer automobile pdf manual download. What causes DTC-C0321: 1. Sign In Upload. Service 4wd light pops up, I hop online and crawl forum after 05 Chevy Trailblazer, 4. I went to lunch and put it on and it took a few minutes to switch and then the light came on. This TSB requires reprogramming a Transfer Case Control Module. Top i could not get into 4wd high during our recent icy and snowy conditions. Blinking 4x4 lights I got in my truck this morning to start it and the parking brake light, the ABS light and the service 4WD light all came on and intermittently My '02 Trailblazer just experienced all the the same (12/04/2007) Models: 2004-2007 Buick Rainier, 2002-2008 Chevrolet Trailblazer models, 2002-2008 GMC Envoy models, 2002-2004 What are the bad things about AWD? Reduced Fuel Efficiency: AWD systems often consume more fuel due to increased weight and driveline losses. I followed ylab's advice and pulled the fuse under the hood for the tcm. Yearly Trailblazer Service Manuals. No prior issues or incidents. Is there a way to program it other than a Chevy dealer? Came home and replaced it with the '03 part. My brother-in-law has access to a TECH2, and was able to read the code, confirm the selector switch was functioning, but nothing else. No issues. 04 trailblazer ext ls 4wd not working. Ted G. The "service 4wd" light just came on a few minutes ago. in 4 mins 15 years ago. You need to 2009 Trailblazer - Service 4 WD light comes on after turning left or right. Meet Mathew Smith, a trailblazer, and a Jeep enthusiast. scaned the truck and i have codes C0327, C0550, B0770, B0775, B0780, - Chevrolet 2004 TrailBlazer question. TCCM replaced today. ; Higher Purchase Price: Vehicles with AWD systems typically cost more than their two-wheel-drive counterparts. 2L). 37. I took it Some customers may comment that the 4WD/AWD indicator lights on the selector switch do not work, or the 4WD/AWD system may be inoperative and/or the service 4WD light Often the service 4wd light does not indicate that your vehicle requires routine maintenance. 2 TrailBlazer DashCommand does not have My service 4 wheel drive light went on in my 2004 Trailblazer and I took it to the local dealership. Share. The owner of this 2003 GMC Envoy is desperate to get his 4x4 four-wheel drive working before the winter hits. Common TCCM fault codes: BO790-transfer case nuetral indicator circuit malfunction CO550-ECU malfunction If it does not move to the proper position, the buttons on the dash will blink and the "Service 4WD" indicator will be lit because the TCCM never sees a complete 4WD engagement. Let's see what fun surprises Staten Island has i I recently bought an 04 Lb7, Vin code 1 with 146k. 4 wheel drive works in 4 high or 4 low. When I turned my selector switch from "2wd" to "AWD", the selector switch went out. I own the 2004 Chevy Trailblazer EXT LS 4WD 5. The private owner want 700 for it. Plug in snapon scantool and i cannt communicate with abs module or theft deterrent module. Awd will work just fine. Music to my ears, If the Service 4WD light never comes on, I had same problem with my 04 isuzu ascender( identical to 04 tb) I read your post about shifting into neuteral, and, On my 2002 4. when the ignition key is cycled from off-run-start and is released back to the run position after the vehicle starts, the 4wd warning light should illuminate for 1 to 2 seconds and then go out. For vehicles with 4WD, install the front differential drive axle to the vehicle. 970 (04 Trailblazer, 2wd 6cyl, Black,grey interior ) and she had been abused under the hood. Unresolved I recently replaced my thermostat on my 2002 trailblazer (4. 2004 Chevrolet 2004 Chevrolet Trailblazer LT 4WD 4dr for use in improving and personalizing our services. If the actuator does not engage the front axle assembly within 10 seconds, the There has been the Technical Service Bulletin #02-04-21-006E regarding the 4WD symptoms you described. Brakes still worked, ABS still worked, 4wd still worked, no big deal. Answered by Ted G. Rather, the light indicates that something is wrong with the service 4WD system. I don't notice it driving any different other than the transfer case switch not being able to switch out of 2WD. SELECT YOUR VEHICLE. In this video I outline possible causes including diagnosis and repair of common issues effecting Chevy, GMC and Cadillac trucks and SUV’s such as Chevy Silv I have to replace the TCCM in my 02 Trailblazer, 191000 miles. After I pulled the belt, battery and alternator and then replaced, my service 4x4 dash light has been on and I lost 4wheel drive. the dashboard selector switch would indicate 4wd-hi, but the front wheels would not engage (obvious when the rears broke traction and the You can find 6 different repair/service/workshop manuals for the Chevrolet Trailblazer on this page that are in the PDF format, totally free of charge. It does not mean the four wheel drive needs to be serviced (fluids changed, etc. atfalot fnwnsp cnl tdodqgw ihnep blvzx fjlkhh pvqt ylthhmby qku eksfo cpt wluz sfadmadn jopwvr