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really awful
Crashes / Fires:
7 / 3
Injuries / Deaths:
6 / 0
Average Mileage:
74,204 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.

2002 Chevrolet Impala electrical problems

electrical problem

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2002 Chevrolet Impala Owner Comments (Page 5 of 12)

« Read the previous 20 complaints

problem #152

Feb 262013

Impala 6-cyl

  • 21,000 miles


Car began to flash security light. Then within a month the light stayed on all the time with signal light making a clicking sound then not able to flash preventing the drivers behind me not to know the direction im turning. The switch you have to juggle and the car would not start anymore. I had the BCM changed the radio is locked the lights use to flash on and off. Now the car starts interment and the radio is still locked the security light is still on, cruise light, and passenger airbag light on. This is a problem for the Chevy Impala to but their is no recall....why?

- Denton, TX, USA

problem #151

Jun 012012

Impala 6-cyl

  • Automatic transmission
  • 6,900 miles
The contact owns a 2002 Chevrolet Impala. The contact attempted to start the vehicle but the engine would not start. The vehicle was towed to the dealer for inspection and they stated that the ignition switch needed to be replaced. The vehicle was repaired but the failure recurred. The manufacturer was notified of the failure. The failure mileage was 6900. The consumer also stated, the turn signals did not always work. Updated 06/30/14

- Victoria, TX, USA

problem #150

Mar 182004

Impala 6-cyl

  • 39,000 miles
Car would not start. Security light came on and it would not start. This has happened at least 10 times a year since 2004. The wiring to the light system melted at the ignition switch in one incident. I continually have to reset the security system to override the pass lock system errors. The car continues to fail with pas lock security issues. I have researched this on Chevrolet Impala, Pontiac and other GM models. The solutions are vague and inconsistent. I took my car to the Chevrolet dealer in san diego and they could not figure out what was wrong and their suggestion was to replace a bunch of expensive parts with no guarantee that this would fix the security lock start issue. They said this was a very common problem and they had no solution for the cause. They told me the best thing to do was to trade it in on a new car or sell it to some unsuspecting person to deal with.

- Alpine, CA, USA

problem #149

Mar 182009


  • 80,000 miles


The contact owns a 2002 Chevrolet Impala. The contact stated that the vehicle failed to start. The vehicle was taken to the dealer but the technician was unable to diagnose the failure. The manufacturer was not made aware of the failure. The vehicle was not repaired. The VIN was not available. The failure mileage was 80,000 and the current mileage was unknown.

- Cuyahoga, OH, USA

problem #148

Jun 052013


  • 52,000 miles
The contact owns a 2002 Chevrolet Impala. The contact stated that after inserting the key in the ignition, the vehicle failed to start and the anti-theft system engaged. Also, the contact mentioned that on another occasion, the vehicle failed to start after refueling. The vehicle was taken to the dealer. The technician diagnosed that the ignition switch and keys needed to be replaced. The vehicle was repaired but the failure recurred. The manufacturer was made aware of the failure. The vehicle was not further repaired. The failure mileage was 52,000 and the current mileage was 57,000.

- Sedro Woolley, WA, USA

problem #147

Oct 022013


  • 58,000 miles
You never know if the car will start. Will start 30 times then nothing. Waiting about 10 minutes and starts. Can not trust it to start and not leave you stranded.the following link has 218+ others with same problem.

- West Keansburg, NJ, USA

problem #146

Sep 302013


  • 37,207 miles


Passlock system would disable the car from starting dozens of times for months. I would get stuck anywhere without warning for half an hour or more with my children. It was taken in for a coolant leak issue. The dexcool ( a horrible product with lawsuits due to engine damage) had eaten the hoses and was spraying around the engine. It created a sludge that thankfully did not destroy my radiator. The car finally outright failed because of the security system. The passlock system is a known issue with GM. I have read endless complaints about this problem. There was nothing wrong with the car, but the system would not read the key. It was in the shop for weeks. Had to get new BCM and have the system reprogrammed. My car only has 37,000 miles and for it to fail and need such expensive repairs for a faulty system with nothing wrong with the mechanics of the car is unreal. Another known issue is with the signals going out without warning. I never know if the turn signals will work and this is very dangerous. I am fearful that other issues with the electrical system might happen. But knowing that the BCM might fail again in another year or so is the biggest rub. How many times do people have to reprogram their car and replace parts on a faulty passlock system that will fail again?

- Largo, FL, USA

problem #145

Jun 012012


  • 159,000 miles
The passlock security system in my car disables my fuel and my starter. I have been stuck places before because the car won't start. The security message is on and so is the battery along with service vehicle soon. The car will not start and hasn't for months now. I am very upset, my radio says locked and I have tried everything to get my car to start. It will leave me stranded at some point if it starts.

- Minot, ND, USA

problem #144

Oct 102013

Impala 6-cyl

  • 175,632 miles
Factory installed security system won't let me start the car, I have to wait anywhere from 15-45 minutes before it starts, and that is not safe to be stranded with the family. I'm not the first person with this problem, and I hope you can do something to help me solve it. Thank you.

- Houston, TX, USA

problem #143

Aug 072013

Impala 6-cyl

  • 105,000 miles
I own a 2002 Chevrolet Impala. While I was driving 50 mph, the headlights malfunctioned when switching from low beams to high beams. The manufacturer was notified, but offered no assistance. The vehicle was not repaired. Next the car doors would not lock. Ordered new body control module and had it put in and reprogrammed at dealer. Worked for a week and while in drive thru and shut car off when tried to restart car it would not restart but start throwing a bunch of codes. Sat for awhile found second set of keys put it in and it started. Apparently the security system would not recognize the key when it was inserted into the ignition. This locked the contact in the vehicle and prevented it from starting. The vehicle is now in the shop. I have found over 1,000 complaints of the same nature with this car. In 2004 I had new head gaskets put on due to the coolant and was suppose to recoup some money. I put in claim and never heard anything. Now turn signals work intermediately. This is a very common issue with Impala. Very dangerous when I signal I don't know if it is going to work. I have almost caused multiple accidents because of this issue. I complained multiple times to the dealer but they claimed nothing was wrong. As soon as I hit the 100,000 mile.

- Belleville, IL, USA

problem #142

May 072012

Impala 6-cyl

  • 70,000 miles


Hazard flasher switch is bad. The turn signals will go out intermittently. If you press the hazard buttons over again the turn signals work again. This has been happening since 2012 when my vehicle had 70,000 miles.

- Coon Rapids, MN, USA

problem #141

Apr 042013

Impala 6-cyl

  • Automatic transmission
  • 109,000 miles
The contact owns a 2002 Chevrolet Impala. The contact stated that while coasting, the pass lock security warning lamp illuminated and the vehicle stalled. The vehicle was restarted a few times before it began to function normally. The vehicle was not repaired or diagnosed. The manufacturer was made aware of the issue. The approximate failure mileage was 109,000 and the approximate current mileage was 111,500. Updated 9/17/13

- Portland , CT, USA

problem #140

Jan 082013

Impala 6-cyl

  • 130,000 miles
I put a new fuel pressure sensor in and now my 02 Impala wont start and not getting any power to fuel pump now, we are a car lot and this car has been sitting unable to start now for over 2 weeks, had many certified mechanics from our area observe the problem, including 2 certified Chevrolet mechanics, and none have come up with a solution. Just don't make sense, I am sure Chevrolet is aware of the problem so please let me know what the problem is so I can have it repaired so we can sell the car.

- Evansville , IN, USA

problem #139

Nov 132012

Impala 6-cyl

  • 152,000 miles
Intake manifold leak, replaced the engine. Intermediate no starts, vehicle cuts off in 5 mins of driving, turn signals works sometimes.. car is dangerous to drive and I have almost had several accidents because of the issues.

- Lilburn, GA, USA

problem #138

Dec 052012


  • 112,000 miles
The contact owns a 2002 Chevrolet Impala. The contact stated that while parked the fuel gauge reading fluctuated from full to empty. The failure occurred intermittently. Additionally, the headlights would not illuminate when the contact turned the exterior switch to the on position. The contact also noticed the multifuntion window switch would not operate any of the windows when the exterior lighting was not operating. The vehicle was taken to the dealer for diagnostic testing. The technician stated the sending unit relay would have to be replaced to repair the fuel gauge failure. The multi function switch would have to be replaced the repair the electrical failure with the exterior lighting and windows. The vehicle was not repaired. The approximate failure mileage was 112,000.

- Orlando, FL, USA

problem #137

Dec 122007

Impala 6-cyl

  • 79,542 miles
Safety flashes on dashboard and car will not start for 10 to 15 minutes. It happens totally at random times in all kinds of weather. Disconnecting the battery does not help nor does resetting a fuse with a kill switch. This is a widely known problem why isn't there a recall" I was told from a dealer it was a computer issue and could be fixed for around 1000 dollars. I want to buy american cars but do I have to suffer because of this choice" what an awful inconvenience.

- Toms River, NJ, USA

problem #136

Feb 102011


  • 162,000 miles
The contact owns a 2002 Chevrolet Impala. The contact stated that while driving 35 mph, the air bag and security warning lights illuminated on the instrument panel. The vehicle was not taken to the dealer for inspection. The dealer was notified and stated that the failure could have been that the BCM module needed to be replaced. The vehicle was not repaired. The manufacturer was notified. The failure mileage was 162,000.

- Racine, WI, USA

problem #135

Nov 122012


  • 89,000 miles
At 10:00 P.M., driver started the vehicle (cold) and pulled away from curb stopping at a stop sign 100 feet ahead. As driver pulled away from the curb, the dash lights (seat belt, ABS, airbag, etc.) and tachometer began to intermittently flash/ fluctuate. Driver proceeded to take a right turn onto a main road when the driver's side head curtain airbag inadvertently deployed from the driver's seat back. Driver immediately stopped the car and pulled off into a parking lot to call for assistance.

- Bloomington, IL, USA

problem #134

Mar 072005


  • 80,000 miles
The passlock system has been failing me since 2005. The car starts when it feels like it. I have been stranded for 6 months, late to work, and mentally stressed thanks to this problem. Everyday for the last 7 years I have experienced this problem. In 2005 I had the BCM replaced, and GM blamed the problem on the viper alarm system. As of last week General Motors cut a new key, because the old key was stated as the problem. Now that the problem still exist GM informs me that I need to replace the ignition. This has to be a form of rape. I am a veteran, university student, and a part-time worker, so my vehicle is very much needed. My family and friends have to continuously watch me struggle due to this vehicle issue. I guess this is the thanks you get for being a hard working american.

- Hampton, VA, USA

problem #133

Sep 302012


  • 120 miles
Parked car gauges went crazy with a sound coming from the glove compartment. Bad BCM.

- Cincinnati, OH, USA

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