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CarComplaints.com Notes: The 2002-2007 Chevrolet Trailblazer is known for many things, but perhaps it is most famous for its faulty fuel gauge.

This gauge flip-flops more than a politician during election season. Some report that the gauge says "empty" after a fill-up, while others report the gauge says "full" when they're running on fumes. Either way, there's one thing everyone seems to agree on: the darn thing is just wrong.

Following hundreds of complaints and a few accidents allegedly caused by the malfunction, the National Highway Traffic Safety Administration (NHTSA) opened an investigation into the issue in May 2011. Unfortunately for frustrated owners, no recall has been announced.

10.0

really awful
Crashes / Fires:
4 / 10
Injuries / Deaths:
3 / 0
Average Mileage:
62,530 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Chevrolet Trailblazer electrical problems

electrical problem

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2005 Chevrolet Trailblazer Owner Comments (Page 14 of 22)

« Read the previous 20 complaints

problem #172

Apr 092010

Trailblazer

  • 70,000 miles

A D V E R T I S E M E N T S

Vehicle started by failure of the fuel gauge. It shows empty even though I have just filled up with gas. This occurs every time I fill up. Then the oil light has gone haywire, and fails to reset itself, it points down to the bottom of the gauge. Now my speedometer will without warning stop working and freeze on a certain number, then go down to below zero and not work at all. This has caused me to not know how fast I was going at times. After turning off the vehicle it resets itself, but then happens again the next time. I have taken the vehicle to the shop several times and have been told that it is the instrument panel. I have read several complaints all over the internet and from friends who have the same vehicle. This is not something that is unique to my car. This is a serious problem and can cause accidents and people stranded if it is not fixed, or if GM does not look into this issue.

- Greenville, SC, USA

problem #171

Aug 012009

Trailblazer

  • 65,000 miles
The speedometer is not functioning properly. The needle starts on 120 mph when I am sitting in the driveway.

- Columbia, MO, USA

problem #170

Feb 212010

Trailblazer

  • 62,000 miles
Speedometer read that I was going 85mph, I was in a 35mph speed zone going with the flow of traffic.the speedometer ran counter clock wise then clock wise. After that episode the speedometer quit working all to together. Failure occurred 62,000 miles. In cold weather the headlights flicker. Also my fuel gauge stopped working, reads empty all the time.

- Altoona, AL, USA

problem #169

Jan 152009

Trailblazer

  • miles

A D V E R T I S E M E N T S

I'm having issues with my 2005 Chevy Trailblazer. The gas gauge stopped working, it is completely pointing down, now all of the gauges are not working.. my speedometer says I'm going 80-90 miles an hour when I'm at a complete stop. Its such a pain, not know how fast you are going, or how much gas you have. I have read a number of complaints in which people are having the same issues..they should really recall what ever is making the gauges do this..it sounds like it is a defect of some sort, and they don't want to fix it. Its too bad because I love my Trailblazer but wont ever buy another one because there are too many problems with them.

- O, CA, USA

problem #168

Jun 102010

Trailblazer 6-cyl

  • miles
After starting my vehicle sometimes the RPM gauge will not move, like the vehicle has not started, this has caused me to turn the key again causing my starter to make an awful sound, since the car was already running, RPM gauge however was not functioning. My speedometer will start out at 0 like normal but then will stick and go back down to 0 which doesn't allow me to see the speed I am going, at times it will stick around 40 mph. The fuel gauge does not work it always says I am empty. Which brings me to my final point, my odometer has started sticking, I gauge my gas mileage by my odometer, this could be a serious problem since the odometer is sticking, I could be thinking I have enough gas when in reality I do not, this could cause me to run out of gas, not to my own error but due to the malfunctioning gauges, which could cause me to stall and be rear ended. I travel on the interstate almost everyday and I am seriously concerned for my safety and the safety of other drivers.

- Lake Park, GA, USA

problem #167

Dec 122009

Trailblazer 6-cyl

  • 51,000 miles
The cluster, as I have been informed by a GM specialist, is defective on my 2005 Trailblazer. The problems with this causes me undue stress because I am never certain of the amount of gas I have and the oil meter gives misreading. I travel alone most of the time and with the uncertainty of the gas, it is always a frightening experience. This all started in 12/12/09 and recently GM had me go through the process, as if they did not already know the issues with these vehicles, to a tune of $100 plus dollars at my cost. After the inspection was complete, I was informed that due to the amount of mileage, slightly pass 67K when I contacted them and at the time they were informed that my extended warranty had expired, I was informed that there was nothing they could do about it. I think that the issue with them refusing to make amends regarding the vehicle and then to have my pay money was a true form of deception. I can not know the accurate speed, the gas needle sways from left to right and the oil needle, even during freezing temps, is always beyond the correct point. This is a slap in the face to me, a consumer, and they will not offer any assistance in remedying the problem. So, yes, it is a safety hazard because I bought a vehicle for dependability and this one does not afford that to me and their refusal is sickening. I have no trust in any of the gauges because I question the accuracy of them and too, the speedometer could really lead to getting tickets or worse.

- Tuscaloosa, AL, USA

problem #166

Apr 082007

Trailblazer

  • 45,000 miles

A D V E R T I S E M E N T S

Three out of six dashboard gauges don't work. Included are speedometer, tachometer, and gas gauge. The vehicle isn't safe because you don't know how fast you are going. Because of the faulty gas gauge, one never knows when or where you will run out of fuel. This opens you to running out of fuel in a dangerous location and also the loss of power steering and power brakes. This has been an ongoing problem since approximately 2008.

- Loxahatchee, FL, USA

problem #165

Jul 202010

Trailblazer 6-cyl

  • 60,555 miles
Own 2005 Trailblazer. At 60,555 miles speedometer stops working and now registers over 120 mph. Had extended warranty that expired at 60,000 and was told that since the warranty was 555 miles out of coverage, it would cost me $500 to fix. Lights on instrument panel out as well. Please review need to recall as this seems to be a major issue that others are also experiencing.

- Las Vegas, NV, USA

problem #164

Apr 012009

Trailblazer 6-cyl

  • 35,500 miles
The speedometer has failed and it appears that this is a serious problem and has been happening for years in many Chevy models especially the Trailblazer. They want 800 dollars to fix it. Only have 38900 miles on my 2005.

- Halifax, NC, USA

problem #163

Jun 122009

Trailblazer

  • 70,000 miles
The contact owns a 2005 Chevrolet Trailblazer. The contact stated that the speedometer and the oil gauge failed. The dealer stated the speed control senor had failed and the failure was common but was not recalled. In addition, the speed control sensor also controlled the oil pressure gauge. The contact was concerned with not being able to determine if the oil pressure was dropping in the vehicle. The vehicle was not repaired. The failure mileage was 70,000 and the current mileage was 114,000.

- Killeen, TX, USA

problem #162

Apr 012010

Trailblazer 6-cyl

  • 50,000 miles

A D V E R T I S E M E N T S

I reached 55,000 miles on my 2005 Chevy trailblaizer. Now, my speedometer is not working properly. It sticks and sometimes it does not even move off the 0mph. Better yet, my head lights are randomly turning off. This occurs at least one a day. I can not understand how Chevy can tell me this is not a safety issue. Unfortunately, I do not live in a place that hast day light 24 hours a day, 7 days a week and am forced to drive during the night hours. If my lights are out and an accident is caused, I will be held responsible for this. I'm sure I will eventuallyg et pulled over by the police, it's just I have been lucky so far. What do I explain to the officer, "sorry my lights are out and no, I do not know how fast I was going"" this is a joke! there are thousands of complaints posted all over the internet, yet Chevy will not admit to this "cluster" issue being related to safety? so when I get tickets from the police, fail my Massachusetts state inspection and maybe cause an accident, do I forward all bills to Chevy? and if a life is lost, how are they going to relace that? why can't they just recall this issue before this happens, if it hasn't already happened yet"

- Holyoke, MA, USA

problem #161

Jul 102010

Trailblazer

  • 98,970 miles
Fuel sending unit failing. Multiple complaints posted online concerning the repeated failure of the fuel sending unit. Gauge needle moves up and down and primarily registers empty.

- Stephens City, VA, USA

problem #160

Jun 282010

Trailblazer 6-cyl

  • 77,200 miles
I have a 2005 Chevy Trailblazer (77,000) miles. The speedometer and tac has gone haywire. We had a very warm day and when I started the car the pointer was at 6:00 O clock when I stop it shows that the car is going 110 miles per hour. My tac is also going wacko. I have been reading that may others with Trailblazers have the same problem. I called GM and they told me they did have a recall on the instrument cluster with other vehicles but not the Chevy Trailblazer. They gave me a case number[xxx]. the approx cost for repair is $550. Information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Elk Grove, CA, USA

problem #159

Jan 092010

Trailblazer 6-cyl

  • 70,936 miles
Trailblazer 2005 fuel gauge failure, speedometer intermittent failure, vehicle lunges at idol or shuts off approaching stop/brake. Almost causing accident. Been to repair and intermittent problem not identified. Fuel system flushed. Speedometer issue same. Fuel gauge currently not working properly, unreliable.

- Jacksonville , FL, USA

problem #158

Jan 012007

Trailblazer 6-cyl

  • miles
Electrical system problems. The headlights and entire electrical system randomly dims and goes back to normal. This has been a problem since I've had the vehicle. It also has a chronic check engine light that will not reset and the fuel gauge has quit working.

- Fort Dodge, IA, USA

problem #157

Apr 192010

Trailblazer 6-cyl

  • 38,000 miles
My 2005 Chevy Trailblazer is at the dealership at this moment due to malfunction in the instrument cluster panel. First my gas gauge went out 3 months ago and now my speedometer is broken - shows I am going 60 when I am at a stop or it may go down to 30 at times. It will cost $500 for the cluster and $550 for the fuel sensor. I called GM to see if they will pay for repairs but have not heard a response yet.

- Houston, TX, USA

problem #156

Apr 182010

Trailblazer 6-cyl

  • 75,000 miles
I have a 2005 Chevrolet Trailblazer that has a dashboard cluster failure. My speedometer and gas gauges do not work. I have no idea how fast I am going and how much gas I have left in my tank. This has been going on now for over a month. There are thousands of complaints on the internet from angry owners describing speeding tickets, running out of gas, odometer failing, dashboard lights dimming and warning lights appearing. GM is failing to take ownership of this defect and dealerships are charging $550 to $650 for repairs.

- Lake Forest, CA, USA

problem #155

Sep 012008

Trailblazer 6-cyl

  • 90,000 miles
1.) no events took place dashboard cluster just failed. 2.) speedometer, oil gage, RPM, gas gauge everything went haywire, impossible to tell speed... 3.) my understanding is the dash board cluster is bad, its 450-600 dollars to repair, there has been alot of complaints but no recall yet? this should be a recall, this issue is well documented and known about... this is a safety issue, the speedometer should work, the instruments should work.

- New Vienna , OH, USA

problem #154

Mar 222010

Trailblazer

  • 77,000 miles
2005 Chevy Trailblazer - speedometer has stopped working. Speedometer reads 100 mph when sitting still. Very dangerous since you never know how fast you are going. I've read about this same complaint and GM should issue a recall immediately before a serious accident happens.

- Indianapolis, IN, USA

problem #153

Apr 052010

Trailblazer 6-cyl

  • 84,414 miles
My 2005 Chevy Trailblazer's gauges/panel is not working at all. It reads that the truck is running hot, that I'm going way over the speed limit (when the truck is actually parked), and that I have no gas (after I fill it up). My oil gauge it also out of whack. Please help.

- Tampa, FL, USA

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