Why is the speedometer on my Chevy Tahoe not working?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My Speedometer Working? What are common reasons my Chevrolet Tahoe has a speedometer that doesn’t work?

Why does my odometer stop working on my Chevy?

If your odometer stops working in your Chevrolet, it may be due to a couple reasons. Depending upon the year and model of your vehicle, the fix may be something you can do or something you may need to take to your dealership for repair. If neither of these indicators is working, then the problem may lie within the speed sensor on your vehicle.

How to repair the odometer on a Chevy Avalanche?

In this Instructable, I will show you how to repair odometer/gear select (PRND321) LCD on your GM truck. In this case, mine is a ’02 Chevrolet Avalanche but this should apply to all GMT 800 series trucks within this age range. A common fault on ’99 – ’02 GM trucks was the permanent or intermittent failing of the odometer/gear select LCD.

How do you repair an odometer on a car?

Lining up the pins of the stepper motors with their corresponding sockets on the PCB, push the board back onto the instrument cluster. Put pressure on the back of where the stepper motors are (see photo). Replace the back plastic cover of the instrument cluster, ensuring all clips are secured.

How much does it cost to replace a GMC speedometer?

If it fails the test, which it likely will, they will need to replace the cluster. Unfortunately the dealer doesn’t offer parts for this. They will however take the old one and give you a remanufactured cluster. Expect to spend $350-$450 for the cluster and $100-$300 for labor. I know it’s an old thread. But this is a great link.

Can a 2000 Tahoe LT 4×4 change gears?

My 2000 Tahoe LT 4×4 has that not changing gears issue. Put it in drive – nothing, go to 1stthe and it grabs, you manually shift it, works great, even drops down gears and then changes great.

What happens if the speed sensor goes out?

The speed sensor is necessary to tell your transmission when and if to shift. The PCM uses the information from it, plus the way your vehicle is accelerating to determine shifting, and if the sensor went out, or the PCM went bad, then you’ll lose your transmission shifting. You can shift it manually though.

My 2000 Tahoe LT 4×4 has that not changing gears issue. Put it in drive – nothing, go to 1stthe and it grabs, you manually shift it, works great, even drops down gears and then changes great.

Why is my speedometer reading higher than normal?

In some cases the needle will “peg out” to the fully counter clock wise or clock wise position. In some cases the needle will move smoothly but will be reading noticeably higher or lower than normal at all points. This problem typically starts with just one gauge but over time all the analog gauges will start displaying the same symptoms.

Is there a recall on the GM Silverado speedometer?

GM Instrument Cluster Recall / Settlement Information and Vehicle Coverage The GM Instrument Cluster Settlement was a 2008 class action settlement awarded to owners of certain General Motors vehicles with allegedly defective speedometers.

Why is the speedometer on my Chevy Silverado not working?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My Speedometer Working? What are common reasons my Chevrolet Silverado 1500 has a speedometer that doesn’t work?

What kind of display does a GM speedometer have?

Most GM gauge clusters of this time frame have two digital displays – the odometer and the gear indicator (commonly called the PRNDL screen). Either one or both screen will typically be affected. This common issue is not actually a problem with the digital displays themselves as they seem to be quite reliable. 1. Dim, Dark or Dead Display

Is the tachometer on my car still working?

Got them all repaired and viola, tachometer is now working. Would you happen to know what that grey wire goes to? It was the only other wire in really bad shape.

Where does the tachometer come from on a GMC Sierra?

The signal for the tachometer comes from the PCM on the white wire, Pin A2 at the cluster. Any aftermarket remote start by chance? Look for spliced wires at the PCM connectors and at the cluster plug. I did dig out my bluetooth scan tool, and I am seeing rpm displayed there.

Where does the signal for the tachometer come from?

So the solder must first be removed and then the new stepper motor can be soldered into place. SPEEDOMETER does not work. Electrical system is haywire. Sometimes engine doesn’t turn off when key is turned to off. Unnecessary automatic gear shifting at illogical times. Lights frequently burn out. The surface of all the dash buttons rubbed off.

Can a bad speedometer sensor cause you to slow down?

A malfunctioning speedometer sensor can also cause a speedometer to act erratically, fluctuating the reading from one speed to another; even though in reality you’re not speeding up or slowing down.

When to see a mechanic about your speedometer?

If you feel you are driving faster or slower than what the speedometer reads, it is a good idea to have your vehicle inspected by Your Mechanic, as this might be a problem with the sensor that can be repaired or an indication that the speedometer sensor needs replacement.

What’s the average speed of a Chevy Tahoe?

My speedometer went out a few weeks ago. When sitting in Drive it registers about 70 miles per hour. When driving at 65 mph, it veers off the the far right to the bottom of the 120 mph mark! Yikes!!

What is causing the speedometer not to work?

Another reason for the car speedometer not working is a bad wire. The wires can short out for many reasons, causing the fuse to blow out and stopping the operation of the speedometer. It mainly happens in older cars.

What causes my speedometer not to work?

There are several common causes for a speedometer to stop working. Typically, these malfunctions are caused by, a broken gear in the speedometer system, a speed sensor issue or a faulty engine control unit (ECU).

Why is your speed odometer not working?

The odometer stops working because the gear within the odometer has worn out. You’ll need no special tools to do this, but you must know what to watch out for or you could permanently damage the speedometer that is housed in the same gauge as the odometer.

Where is the speed sensor on a GMC Sierra?

112 people found this helpful. I replaced the vehicle speed sensor VSS then unplugged the vehicle speed sensor buffer VSSB (a 3 inch square flat white plastic sensor box) located behind the glove box, I unplugged it and waited 5 minutes before plugging it back in.

Why does my Tahoe LT not change gears?

check the ignition switch harness for power drops across the white wire and the pink wire… it is a know problem for the harness to lose power there and causes loss of transmission shifting along with instrument cluster failures. 44 people found this helpful. My 2000 Tahoe LT 4×4 has that not changing gears issue.

Where is the speedometer located on a car?

Where is the speedometer sensor located? The speedometer sensor is located in the transmission of your vehicle and is designed to register the driveshaft’s rotational speed. The sensor delivers this information through the speedometer cable and to the vehicle’s computer, which converts electrical pulses into a numerical speed.

What are the symptoms of a bad speedometer sensor?

Symptoms of a Bad or Failing Speedometer Sensor. Cost of Replacing a Bad or Failing Speedometer Sensor. Common signs include the speedometer not working, cruise control not engaging, Check Engine Light coming on, and loss of power.

Why is it important to repair your speedometer?

Being proactive about repairing your speedometer issue can improve safety, not only for you, but others on the road. It can also reduce the potential of getting two citations; one for speeding and another for a damaged speedometer. 2. Cruise control does not work

Why is the speedometer on my Chevy Tahoe not working?