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2003 Chevrolet Trailblazer electrical complaints

Page 5 of 11: complaints 101 to 130 of 285, newest first, as owners wrote them.

See the summary of 2003 Chevrolet Trailblazer electrical problems: which part fails, at what mileage and related recalls.

Filed Feb 18, 2011 · Electrical · TX

Safety issue!!!! I own a 2003 chevy trailblazer. My speedometer started acting up a couple of months ago and got worse this month. Sometimes the needle starts at 50 or 70 MPH instead of 0 and moves up from there. It will say that I am doing over 120 MPH when I am only going about 45. Other times it will stay on one number at not move at all. Two weeks ago I turned on my car and the needle was pointing straight down to the odometer. I bought a new battery and that did not help. We unplugged the battery for 30 min and it rest everything. Two days later I was having problems again. We researched the problem on line only to find out that a very large number of trailblazers were having this problem and that we needed to call gm. I did. The part has not been recalled even though the person I talked to knew exactly what the problem was 5 min into our conversation. She told me I had to take my trailblazer tot he dealership to confirm. I called the dealership and the service guy I talked to also knew what the problem was in less than 5 min. I took the car in and continued to be in contact with chevy to seek financial assistance. I was transferred up to the next step where a very rude man denied my claim because of the mileage on my car. I had to pay for the entire thing and they would not provide me with the parts that they took off my car. The service guy a the dealership said their was a core charge on my part so he had to send it into chevy so they could rebuild it. Not knowing how fast I was going and knowing that my other gauges were going to fail as well (since they are all connected to the cluster) is a major safety concern for me. It does not take match research on the internet to determine this is a major issue that chevy is not taking care of.

Filed Feb 14, 2011 · Electrical · TX

Tl*the contact owns a 2003 chevrolet trailblazer. While driving approximately 30 MPH, the contact noticed that the speedometer indicated that the vehicle was traveling 80 MPH. A few days later, the speedometer functioned properly. The vehicle was taken to an authorized dealer who stated that the instrument cluster needed to be replaced. The failure mileage was unknown.

Filed Feb 12, 2011 · Electrical · 97,000 miles · TX

Tachometer quit working then 3 months later the speedometer quit working.

Filed Feb 7, 2011 · Electrical · 111,000 miles · WY

Instrument cluster on 2003 chevy trailblazer. Rpm gauge started doesn't register correctly now the speedometer is not funtioning either.

Filed Jan 27, 2011 · Electrical · 142,682 miles · CT

The speedometer on my 2003 chevrolet trailblazer is inaccurate. It will read various speeds at all times. From a stand still, it will read anywhere between 10 to 80 MPH.

Filed Jan 26, 2011 · Electrical · 119,000 miles · GA

None of the dashboard instrument gauges are working in my 2003 chevy trailblazer. It began with the speedometer not working properly. It wouldn't work at times then it would suddenly start working and then the needle wouldn't go all the way down to zero and it would start at 10 or 15. I got a ticket once because the trooper said I was going about 70mph & the gauge was reading 60mph. The other gauges began to go out one at a time.

Filed Jan 23, 2011 · Electrical · 145,000 miles · MN

Stepper motor in my 2003 chevy trailblazer with approximately 146000 miles went bad. Does not read correct fuel level. Dealer stated that fuel sender unit was working that the whole instrument cluster needed to be replaced. Have seen online that many trailblazer owners are reporting similar issues. Was told many other gm vehicles with same instrument clusters have failed and were replaced via recall.

Filed Jan 22, 2011 · Electrical · 70,000 miles · WV

I have a chevrolet trailblazer 2003. I was driving the vehicle as usual. The speedometer quit working and other various lights on my dash board lit up, I.e. Change oil light, check engine light. A chevrolet dealer checked the vehicle and told me it was the instrument panel cluster and that it would be about $420,00. It works periodically for a few days and then goes back out again. I have checked the web site and chevrolet knows about this and had a recall for a short time and did not notify its customers. I only found about this when a friend also had the same problems with her tahoe and she had talked to a mechanic who said he fixed the same problem for one of his customers and found our that there had been a recall that chevrolet did not notify it's customers. My husband and I have doctors appt. That are at least 75 miles one way and I worry about getting a ticket or having further vehicle damage related to this concern.

Filed Jan 21, 2011 · Electrical · CT

The instrument cluster on my 2003 chevrolet trailblazer fails to register the actual readings for speed and/or rpms.

Filed Jan 13, 2011 · Electrical · 94,000 miles · CA

Tl*the contact owns a 2003 chevrolet trailblazer. The contact stated that the instrument cluster malfunctioned. The contact was unable to read the fuel gauge, speedometer, temperature gauge, and oil pressure gauge because they were no longer working. The contact called the dealer regarding the instrument cluster. The dealer stated that since the warranty had expired there was nothing they could do. The contact had not called the manufacturer. The contact stated that this was a safety issue and a manufacturers defect that needed to be addressed. The failure mileage was 94,000.

Filed Jan 13, 2011 · Electrical · 85,000 miles · PA

My speedometer broke on my 2003 chevy trailblazer. Sometimes it is parked & I am going 50 MPH -- sometimes 70....I haven't had it fixed yet - but has heard of several people having the same problem. I feel gm should do a recall -- this is a dangerous thing.

Filed Jan 6, 2011 · Electrical · 79,000 miles · TN

For the past 6 months my 2003 chevrolet trailblazer speedometer has intermittently worked properly. 90% of the time it is reading a false speed. I never know how fast or slow I am traveling. This is a very dangerous problem that gm should at least acknowledge and recall.

Filed Dec 26, 2010 · Electrical · WA

The problem is this. I went to go somewhere at 5 am it was 44 degrees and raining. A light came on that said "ice on the roadway" another light came on that said "engine power reduced" so here I am going under 5 miles per hour on the freeway. Its 44 degrees and no ice. It has been doing this every since I bought it new in 2003. I have told them every time I take it in for a lube and oil change but they ignore me because they do not know how to fix it.

Filed Dec 16, 2010 · Electrical · 120,000 miles · IL

Tl*the contact owns a 2003 chevrolet trailblazer. While the vehicle was parked the rpms stopped working and in a year the speedometer stopped working. While the vehicle was parked the speedometer displayed 80 MPH. The vehicle was taken to a local mechanic and who advised her that the step motor needed to be replaced. The vehicle was not repaired. She contacted the manufacturer and was advised that there was no recall for the failure. The failure and current mileage were approximately 120,000.

Filed Dec 13, 2010 · Electrical · 95,000 miles · FL

Starting in november 2008 while living in minnesota, the instrument cluster on my 2003 chevy trailblazer started showing incorrect readings. First, the speedometer, then at one time or another, most of the gauges like fuel, temp, and oil pressure. The speedometer would read 100 MPH with the car stopped. After winter, the gauges and speedometer returned to normal with only an occasional bad reading. I moved to florida in 2009, and went about six months with no issues, but starting summer of 2010, the erratic speedometer readings started again. I contacted chevy and was told a similar problem had been the subject of a recall for tahoes and other vehicles, but that the trailblazer was not included in the recall, and I would have to pay the +/- $700 repair bill myself.

Filed Dec 12, 2010 · Electrical · 60,000 miles · CA

2003 trailblazer instrument panel inoperative. Goes in and out but does not show accurate speed or gauges.

Filed Dec 11, 2010 · Electrical · 131,240 miles · MO

Fuel guage reads past full when not, fuel gauge reads empty when full speedometer reads 114 when at stop, needle points down when at highway speed nothing done to correct failure at this time.

Filed Dec 7, 2010 · Electrical · 40,000 miles · AE

Speedometer on our 2003 chevrolet trailblazer started acting erratically--never going down to zero, going up to 80 or above for no reason, etc.--about 2 years ago. In a matter of weeks, after the first onset of the problem, it stopped working altogether and has not moved above zero since. We were told that the whole instrument cluster would have to be replaced to fix the issue with the speedometer. Luckily, all of the other gauges are still functioning properly as of right now but from what I have found in my research of this issue it seems to be only a matter of time before they all will cease to function properly as well. I have seen and read many reports about this problem but I am sure it would be safe to say that there are many more instances that have gone unreported. Please look into this very serious safety issue as soon as possible. It does not seem likely or merely coincidental that so many trailblazers are experiencing the very same instrument cluster failure.

Filed Dec 6, 2010 · Electrical, Engine · 70,000 miles · KY

In july 2010 my trailblazers clutch fan and thermostat went out. I was able to diagnose the problem by the number of complaints filed on this model that were on the internet. Then in october my tachometer started acting up, it broke november 24, 2010. The speedometer broke on december 3, 2010. I have found many complaints on the clutch fan going out and the cluster going out on the internet. Someone at work had a problem with their envoy and it was the thermostat and their clutch fan going out. All at fairly low mileage. I am very disappointed in gm for not wanting to repair these issues so the consumer bears the costs of repair which is about 500 for the clutch fan and thermostat and 400 for the cluster.

Filed Dec 2, 2010 · Electrical · 98,000 miles · PA

Tl* the contact owns a 2003 chevrolet trailblazer. The contact stated that while driving approximately 20 MPH the speedometer displayed that he was traveling 100 MPH. The vehicle was not inspected or repaired. The manufacturer was contacted and offered no assistance. The failure mileage was approximately 98,000.

Filed Nov 22, 2010 · Electrical · 100,000 miles · CA

2003 chevy trailblazer 2wd, ltz - instrument panel is failing. Began with the speedometer, which does not accurately reflect the correct speed 100% of the time. Now, the oil gauge is not working properly and the fuel gauge is off as well. I checked with chevrolet directly (800 222 1020) and was told that there is not a recall for this issue. However, for the same years, the silverado, avalanche were recalled! If it's an issue across chevy trucks, then the trailblazer should be recalled as well.

Filed Nov 17, 2010 · Electrical · 71,000 miles · CA

The instrument cluster on my 2003 chevy trailblazer is malfunctioning. Specifically, the speedometer doesn't work correctly.

Filed Nov 16, 2010 · Electrical · 21,000 miles · PA

Tl*the contact owns a 2003 chevrolet trailblazer. While driving all of the lights and functions on the instrument panel stopped working. The vehicle was not inspected or repaired. The contact called the manufacturer who stated that they could offer him no assistance. The current mileage was approximately 35,000. The failure mileage was approximately 21,000. Updated 1/19/2010 *cn the consumer stated the speedometer, tachometer and temperature gauge stopped working. Updated 03/31/11

Filed Nov 7, 2010 · Electrical · 84,200 miles · AL

Speedometer on my 2003 chevy trailblazer does not calibrate to zero when starting vehicle. This is causing erroneous speedometer display when operating the vehicle causing serious safety issues. I have read several other complaints of the exact issue. A recall should be issued to correct the problem while the number of deaths reported for this issue is still 0. Does someone need to die before the problem is addressed?

Filed Nov 2, 2010 · Electrical · 82,000 miles · OH

Tl * the contact owns a 2003 chevrolet trailblazer. The contact stated that the instrument cluster malfunctioned while driving 25 MPH. The speedometer would not read accurate speeds traveled and the fuele lvel indicator would not read accurate fuel levels. The contact stated that there were numerous complaints found online regarding the instrument cluster failure and stated that the manufacturer should issue a recall. The contact stated the failure was a major safety issue. The failure mileage was 82,000.

Filed Sep 26, 2010 · Electrical · 127,000 miles · TX

My cluster on my 2003 chevy trailblazer has gone out causing all but one gauge to work that is the speedometer..

Filed Sep 14, 2010 · Electrical · 146,000 miles · TN

I have a 2003 chevrolet trailblazer with 146,000 miles on it. About 3 years ago when there was only around 50,000 miles on it the tachometer stopped working. Now the speedometer is acting up and showing I am going 85 when I am going approximately 50 miles per hour, or showing 30 when I am completely stopped. From what I have been reading on other posts on the internet this is a very common problem with these vehicles and I am wondering why you have not recommended a recall on this problem, I personally love my truck, but it would be nice if chevrolet had to stand behind this, just as we stood behind them with a bailout!

Filed Sep 7, 2010 · Electrical · 102,000 miles · CA

My tachometer went out on my 2003 chevy trailblazer on 9-6-10. I have around 100,000 miles on the vehicle, but this is not the first of many complaints on this vehicle.

Filed Aug 27, 2010 · Electrical · 75,000 miles · OK

Speedometer and fuel gauge quit working.

Filed Aug 19, 2010 · Electrical · 80,000 miles · IL

Driving along and speedometer showed almost 100mph. After turning off the engine the speed read about 30mph. Call the chevrolet dealer and they stated this is a very common problem with gm, and well known with the trailblazers. They stated that it was the cluster panel and gm was repairing almost all the vehicles but the trailblazer. My daughter drives the trailblazer to college and this happens all the time which is a danger not knowing what speed you are going. The dealer said gm is refusing to pay for the repairs due to so many trailblazers with this problem and it would cost up to $1500 to repair. I've made several calls to gm this past year and just get a runaround.

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