Driving down the road I glanced to check my speedometer and saw it registered about 100 MPH. I was only going about 40. The speedometer continued to climb and went below the highest registered number, which is 120, and that's where it now sits apparently for good. Now I cannot tell my speed. The needle remains buried below 120 MPH and does not move at all no matter what speed.
2005 GMC Envoy electrical complaints
Page 5 of 7: complaints 101 to 130 of 183, newest first, as owners wrote them.
2005 gmc envoy instrument cluster panel failure... The speedometer and gas gauge quit working.
The speedometer does not accurately record the speed while traveling for my 2005, gmc, envoy, slt model. It will indicate that I am traveling 20 MPH or even 0 while on the highway and seems to increase my rpms while malfunctioning. This has caused several tickets as I can not personally track how fast/slow I am going while driving. This malfunction happens everyday. My oil gauge is also unable to read, it never moves and reads under the start of the meter (south) at all times, even when the vehicle is not started.
Tl* the contact owns a 2005 gmc envoy. The contact stated while driving 78 MPH the speedometer malfunctioned. The contact was unable to identify the speed of the vehicle which caused the contact to be cited by a police officer for speeding. The contact took vehicle to the dealer who stated the entire instrument cluster needed to be replaced. The instrument cluster was not replaced; however, he noticed numerous complaint regarding the speedometer for his year, make, and model and other gm vehicles. The failure mileage was 83,500.
Tl* the contact owns a 2005 gmc envoy. The contact stated that all of the gauges on the instrument panel began to display improper readings. The vehicle was taken to an independent mechanic where they were unable to diagnose the failure. The electrical system was reset. After a few weeks, the failure recurred. The vehicle was taken to an authorized dealer where they were unable to diagnose the failure. The manufacturer was made aware of the failure, but offered no assistance. The vehicle was not repaired. The failure mileage was 80,000.
One day my oil gauge stopped working. A few months later the speedometer stopped working and eventually every gauge in my panel stopped working. This all started around nov of 2008. I could not figure out what was going on. I checked all fuses, bulbs and wiring. Now two days ago my head lights stopped working on low beam. Nothing was found to be the problem. I recently found hundreds of envoy owners with the exact same issues and now know it is the instrument cluster panel. Est cost for the part only $570.
Tl*the contact owns a 2005 gmc envoy. The contact stated after refueling the fuel tank to the full capacity level, the fuel gauge would register an empty fuel tank. The inaccurate reading was consistent. The independent mechanic was notified of the faulty fuel tank and they advised that the vehicle be taken in for diagnosis. The manufacturer was made aware of the problem. The failure mileage was approximately 66,000. Updated 06/17/11 *bf updated 06/30/11
Fuel gauge does not work correctly. The reading on the fuel gauge does not reflect the amount of gas in the tank. Gauge mostly reads empty even after filling up. Sometimes it will show there is more gas than is actually in the tank.
Immediately after filling gas tank before heading out of town on 4/22/11, fuel gauge registered empty. Gauge has been acting erratically for the past week now. News report of the federal safety agency investigation made me aware that I could report this somewhere. Oil pressure gauge has also been acting similarly erratic, starting a few days before fuel gauge began malfunctioning.
Speedometer jumps from 120 to wherever. Can never tell how fast or slow I'm going. Never displays correct speed. Oil pressure gage goes up and down. Also, headlights keep going out. Had to take to mechanic to redo wiring for both headlights.
Fuel gauge suddenly stopped working properly after fill up. Moves from empty, to 1/2 full, to 1/4 full to empty, back to 1/4 full, back to empty. I can't determine how much gas in may tank. This could cause me to unexpectedly run out of gas while driving in traffic and cause an accident. This is apparently a very common problem in gmc envoy and chevrolet trailblazers. There is no warning in the owners manual or suggestion that the gauge and sensors be replaced. I understand that this is an expensive repair - between $600 and $900.
2005 gmc envoy speedometer malfunction. Speedometer is reading 120 MPH at all times.
Instrument cluster inoperative. Speedometer pegged and all other instruments except the tachometer malfunction.
Tl* the contact owns a 2005 gmc envoy. The contact stated that the fuel level indicator failed and would provide inaccurate fuel levels. When refueling, the vehicle would indicate that the fuel tank was empty. The vehicle was not taken to the dealer for inspection or repairs. The contact stated that the vehicle was previously repaired for a failed instrument cluster. The VIN was unavailable. The current mileage was approximately 65,000 and the failure mileage was unknown.
Tl* the owns a 2005 gmc envoy. The contact stated that the instrument cluster failed and the contact was unable to determine what speed he was traveling, the amount of fuel in the fuel tank, the oil levels, battery level and vehicle temperature, all of which the gauges failed to operate. The contact took the vehicle to the dealer and the dealer stated that the entire instrument cluster would need to be replaced. The contact noticed numerous complaints online regarding the instrument cluster and believed the manufacturer should issue a recall. The failure mileage was 90,000.
Tl*the contact owns a 2005 gmc envoy. While driving approximately 10 MPH, the contact noticed the fuel gauge indicated the fuel tank was empty. The contact stated she had fueled the vehicle moments before. The contact stated the speedometer stopped functioning. While parked, the speedometer displayed a reading of 135 MPH. The vehicle was taken to the dealer where the technicians stated the instrument cluster needed to be replaced. The vehicle was repaired. The technicians stated the fuel gauge sending unit needed to be replaced in order for the fuel gauge to read properly. The fuel gauge was not repaired. The approximate failure mileage was 80,000. Updated 03/15/11 *bf updated 05/23/11
Fuel gauge is faulty. Will not record exact capacity of fuel in tank. This lead to the vehicle running out of gas during operation. Avoided a crash, just barely.
Tl*the contact owns a 2005 gmc envoy. The contact stated that the instrument panel stopped working which made it impossible to determine the speed and how much fuel was in the vehicle. The failure also caused the headlights to flicker. The vehicle was not inspected by the dealer or a local mechanic to determine the cause of failure. The failure mileage was unknown. The current mileage was 105,189.
Tl*the contact owns a 2005 gmc envoy. The contact stated that the instrument panel stopped working which made it impossible to determine the speed and how much fuel was in the vehicle. The failure also caused the headlights to flicker. The vehicle was not inspected by the dealer or a local mechanic to determine the cause of failure. The failure mileage was unknown. The current mileage was 105,189.
Blower motor resistor harness melted and started on fire. Some burnt plastic behind dash and melted wires. Had to replace blower motor resistor and harness, and will probably replace fan speed controller. Not sure what cause is......
Speedometer failure ignition switch failure (multiple times)
I own a 2005 gmc envoy the drivers side headlight continues to go out on a monthly basis. The last time it actually melted the connection and needs the whole lamp to be replaced. The gas gauge has stopped working and part of the interior dash lights. We replaced the fan switch a while back for the heater and the cd player started working again and the drivers side temperature light came back on for two days.
Tl*the contact owns 2005 gmc envoy. She stated that the fuel gauge and speedometers were faulty. The fuel gauge displayed empty and the speedometer displayed that the speed 100 MPH while she was only driving 40 MPH. The vehicle was not taken to the dealer. The manufacturer was contacted and stated that the failure was not a recall; therefore, they were not paying for the repairs. The vehicle was not repaired. The failure and current mileages were 103,000.
Overheated and melted electrical connection at fan speed switch under dash!
2005 envoy instrument cluster going bad. It will seem fine then the MPH go way off and who knows if you can trust the other gauges while on the road. I've read that most gmc envoys have this problem and gmc is not acknowledging the known problem. Dealership said it will cost me 575 dollars to have it replaced.
Speedometer stuck at 60mph while traveling. Didn't matter if stopped, accelerating, decelerating, or turning vehicle off. Turning off the car and restarting it seemed to cause the speedometer to decrease, some, finally getting it to register 20mph. Upon restarting the vehicle in the morning the speedometer still registered 20 MPH and upon acceleration the speedometer fluctuated finally settling at 80mph. We were unable to tell how fast we really are traveling because the speedometer is wacko. Stopping and turning off the vehicle does not help. The speedometer does not reset to zero it is now stuck at 80mph. Our local gm dealer advised that no recall has been issued but an extended warranty to 75,000 miles was offered on the vehicle for this particular problem. Our vehicle is over the mileage for the warranty. Gm is aware there is a problem with wacko speedometers hence the warranty extension. One would assume being able to monitor ones speed in a vehicle is an important safety concern.
Tl*the contact owns a 2005 gmc envoy xl. While driving 45 MPH, the speedometer displayed that the vehicle was traveling 85 MPH. The vehicle was taken to a local repair shop where the instrument cluster was replaced. The contact called the manufacturer and dealer who offered no assistance. The vehicle had not been repaired. The failure mileage was approximately 73,000.
Tl* the contact owns a 2005 gmc envoy. The contact was driving at an unknown speed when the speedometer failed. The dealer was informed of the failure and stated that the warranty did not cover the repair for the instrumental panel. Any repairs would be at the contacts expense. The vehicle was not repaired. The failure mileage was 80,000 and the current mileage was 87,000.
Tl*the contact owns a 2005 gmc envoy. The contact stated that the speedometer indicated an inaccurate speed. When driving at 20 MPH, the speedometer may show a reading of 80 MPH. The vehicle had not been inspected or repaired. The contact spoke with the manufacturer who offered no assistance. The current mileage was approximately 81,100. The failure mileage was approximately 81,000.
Tl*the contact owns a 2005 gmc envoy. The contact stated that the speedometer did not register the correct speed while driving. While driving 30 MPH the gauge was registering 100 MPH. The vehicle was not taken to the dealer. The manufacturer was not notified. The failure mileage was 98,795.
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