Why is the speedometer on my Chevy truck not working?

Inaccurate readings after changes to your Chevy: This is common with truck and SUV owners who change their wheels and tires, but can also happen if the wheel/tire combo is changed on a car. Larger combos, or those with different dimensions, will cause an inaccurate reading and the speedometer must be re-calibrated to regain accuracy.

Is it possible to replace the speedometer sensor?

On most cars sold today, this will be indicated by the cruise control light being illuminated on the dashboard – even if it’s not engaged. If you experience this problem, it’s possible that the speedometer sensor needs to be replaced.

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 throttle position sensor?

A faulty throttle position sensor sends incorrect information to the ECM resulting in various issues in the engine, its performance, and fuel economy. Below are common symptoms of a faulty TPS. In most of the cases, all of these symptoms will show together making it easier to detect the faulty component. 1) Car Jerks

Can a bad check engine light be a bad TPS?

The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling. This is often the first ever symptom of a bad TPS. Using a code reader, you should be able to confirm whether a faulty TPS is the culprit or a different component.

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 kind of truck is a 96 Chevy?

– CarGurus 96 Chevy C1500 5.7L Vortec Truck won’t start, Replaced Fuel Pump, Filter & Has Spark.

Why is my tachometer not working on my car?

If the engine RPM display on the tachometer or the Tech 2 increases, verify the scan tool RPM and coolant temperature readings. If the noise increase is due to the engagement of the fan, the engine RPM will not increase and the engine coolant temperature will begin to decrease after the fan engages.

Why does my speedometer not work on my GMC Sierra 1500?

– CarGurus Speedometer doesn’t work and transmission doesn’t shift gears. The speedometer stays at 0 all the time. When the transmission is in drive it won’t come out of 1st gear. Reverse works fine, and if I manually put the transmission in 1st or 2nd it works fine.

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.

How does the speedometer work and transmission doesn’t shift?

Speedometer doesn’t work and transmission doesn’t shift gears. The speedometer stays at 0 all the time. When the transmission is in drive it won’t come out of 1st gear. Reverse works fine, and if I manually put the transmission in 1st or 2nd it works fine. 102 people found this helpful.

Why is my speedometer so far off the speed limit?

As mentioned above, another common problem is the calibration of the reading. Sometimes owners don’t find out just how far off a speedometer is until they’re driving down the highway at 55 MPH and receive a speeding ticket for traveling 10 MPH over the limit.

Why does my speedometer make noise when I Disconnect the cable?

If you disconnect the cable from a speedometer head and it still makes noise, then you have just isolated the problem as the cable itself. However, if the noise disappears when it’s disconnected then the head contains the issue.

Why does the speedometer read higher when the tail shaft spins?

The faster the tail shaft spins the higher the reading on the dashboard. This type of implementation provides car makers with some flexibility to change calibration by changing the size of the gear that mounts on the transmission.

What happens when a speed sensor stops working?

A speed sensor does not only indicate the vehicle speed but also help with cruise control operation and regulation of the fuel’s flowing and ignition timing. A speedometer may stop working due to a bad sensor.

Why are the gauges on my Chevy Silverado not working?

FORGET THE FACT I HAD SEPARATE DOCUMENTATION FOR EACH GAUGE THAT WAS SEPARATELY GOING OUT, WITH A SEPARATE EVALUATION. CHEVY COULD HAVE CARED LESS, AND INSTRUCTED ME TO FILE A COMPLAINT, BLAH BLAH BLAH.

Why does my Chevy Tahoe shut off when driving?

An expert that has 1 follower. Im having simlar problems with my 1998 tahoe but only does it when its hot outside and the car has been driven for a few miles at hwy speeds. could it also be the crank position sensor You can’t post conmments that contain an email address.

Why does my Chevy Silverado not want to accelerate?

If the catalytic converter gets too clogged up, it’ll keep the motor from accelerating properly. It’ll “bog” after a certain speed. Maybe it’ll drive 20 miles an hour just fine, but after that it just doesn’t want to accelerate whatsoever. This can also be a sign that it’s not getting enough fuel as well.

Why does my Chevy Silverado not transfer power?

If your Silverado is too low on transmission fluid, it’ll will no longer be able to transfer power to the rear wheels. The power goes to the torque converter, and that’s the end of the line. You should check the transmission fluid immediately.

What happens if your speedometer does not work?

If the speedometer sensor is not working properly, the speedometer will be inaccurate; potentially leading to speeding tickets or unsafe driving situations. The symptoms noted below will give you an indication that a problem exists with your speedometer sensor: 1. Speedometer does not work

Why does my Chevy Silverado not move in first gear?

Slipping means that it loses its grip on the flywheel and it feels like you’ve pushed the clutch in. This will usually happen at highway speed, under heavy acceleration. It only gets worse as the clutch disk slips, burns up, and can handle less and less torque. Eventually it’ll only move in first gear or not at all.

When to recalibrate your speedometer and odometer?

CLICK HERE TO RESET YOUR PASSWORD! This thread will provide detailed instructions for those with a 1992-1998 Gm pickup truck, with either 2wd or 4wd who wish to recalibrate there VSSB (vehicle speed sensor Buffer). This should be done when gearing ratio or tire sizes are changed to keep both your speedometer and Odometer correct.

How to repair GM instrument cluster you speedometer?

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Can a car be reset with a broken speedometer?

In the past, most mechanics ended up having to replace the speedometer head when a vehicle came in with a broken speedometer. Nowadays, there’s a possible reset procedure that can be used, and it can be done by most car owners right at home.

How does the speedometer work in a car?

Today’s cars and trucks have electronic fuel injection, which is controlled by the onboard computer. The EFI supplies fuel to the engine based on input from multiple sensors; one of which is the speedometer sensor.

Why is my Geo Prizm speedometer not working?

While there are a variety of reasons your Geo Prizm speedometer is not working, the most common 3 are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue. Due to the nature of electrical systems on modern vehicles, the range of problems these can cause are nearly limitless.

Why is my speedometer not working on my Chevy S10?

If your Chevy S10’s speedometer is not working, it’s usually going to be caused by an issue with the VSS (vehicle speed sensor), or a bad ECU. The VSS is usually not very expensive, and they are not that difficult to replace. Vehicles used to use a cable that would usually run from the tail shaft of the transmission to the speedometer.

There was a physical/mechanical connection between the drivetrain and the speedometer. Instead of this direct connection, a modern vehicle uses the vehicle speed sensor and relays that information to the speedometer. The VSS is one part of a system of sensors that helps keep you safe (traction control, ABS, cruise control).

Where is the speedometer on a Chevy Tahoe?

It is mounted on the tailshaft of the transmission and is held it with one small 8 mm bolt. Your speedometer wont work right and it will probably shift wrong or wont shift at all because the transmission relies on the speed signal to know when to shift. The tahoe/yukon use the 4l60e transmission. Was this answer helpful?

What to do if your speedometer doesn’t work?

Replacing the bad speed sensor will solve this issue. Also, if speedometer in your Chevy stops working or reads erratically, test the cruise control out. The cruise control uses the same sensors as your speedometer. If the cruise is working and the check engine light is on, the problem is likely with the speedometer itself.

Why is my speedometer not working on my Chevy Trailblazer?

Your Chevrolet’s speedometer gives important readings about your current speed. If you are experiencing problems with yours, don’t fret — these issues are common and easily fixed (usually). In fact, TrailBlazer speedometer problems are one of the most common topics discussed on popular Chevy online forums.

What are the symptoms of a bad transmission speed sensor?

Symptoms of a Bad or Failing Transmission Speed Sensor. 1 1. Harsh or Improper Shifting. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears 2 2. Cruise Control Does Not Work. 3 3. Check Engine Light Comes On.

Why do you need an Autometer speedometer?

AutoMeter Electronic Programmable Speedometers makes short work of calibration, providing an easy to install and easy to calibrate solution that will help keep your speed exactly where it needs to be. They’re even compatible with most factory speed senders!

How is an 8 and 5 speedometer calibrated?

Speedometers that include a 2 wire sender are pre-calibrated to 8 pulse/ revolution to match sender. See Speedo Senders below for available Auto Meter Senders.) The speedometer should be calibrated to ensure accurate operation after installation. General Information INSTALLATION INSTRUCTIONS 33/8″ & 5″ ELECTRIC SPEEDOMETER 2650-1164-00 Rev. B

How do you hook up a speedometer to a car?

Place a rubber grommet in the hole and route the connector wires through the grommet to the engine compartment. 3. Connect the speedometer wires as shown in the wiring section. 4. Secure the speedometer to the dashboard using the provided bracket, and hardware. .

Can a speedometer be pre-calibrated for Auto Meter?

How does an electric speedometer work on a car?

This electric speedometer utilizes a LCDto display odometer and trip odometer mileage. Momentarily pressing of the Trip/Reset button on the dial window toggles the odometer/trip odometer information displayed on the LCD. Pressing the button, while in trip mode, for more than two seconds will reset the trip odometer.

What’s the Pulse range of an electric speedometer?

The speedometer is designed to operate with an electrical speed sender. The speed senders signal pulse range must be between 500 and 400,000 pulses/mile.

Why does my GMC Sierra 1500 not shift gears?

GMC Sierra 1500 Questions – Speedometer doesn’t work and transmission doesn’t shift gears. – CarGurus Speedometer doesn’t work and transmission doesn’t shift gears. The speedometer stays at 0 all the time. When the transmission is in drive it won’t come out of 1st gear.

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.

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?

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.

Why is my transmission temperature not working on my Silverado?

Silverado 2500, 3500 and 1500HD models got a factory transmission temperature gauge from the factory while all other models did not. The transmission temperature gauge suffers from the same tendency to fail as all the other gauges and again will be caused by a failing stepper motor.

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.

What does it mean when your Speedo is erratic?

Out of the blue, while slowing from 70 mph, the speedo begins bouncing up and down; the transmission then seemed to be “slipping” as I continued to slow down. Further testing: speedo is erratic; trans will engage all gears normally while not moving. Begin moving and shifting of trans is erratic.

Why is my ECM not working on my Duramax?

Possible that when you were unplugging it/plugging it in, you pushed one of the wires out and now the female pin isn’t making contact with the male pin. Heard of this happening to people installing DSP switches on the ECM plug. Wires get pushed out and things go batshit.

Why is my GMC Duramax instrument cluster not working?

There are 2 pins with 12v to the cluster, but no “spin” of stepper motors, when the key is in the on position no battery light, no seatbelt light, the bright light indicator doesnt come on. No obvious damage, no bent pins, no resistor or led wires touching.

When does the Speedo stop working on a Chevy Silverado?

After driving for an hour and a half to two hours the speedo will stop working. The speed reading will keep going up and not return to 0. The reading on the volt gauge … read more

What happens to the speedometer on a Chevy Silverado?

Has the speedometer on your Chevy Silverado stopped telling you your actual speed? Does it get to zero and get stuck, then suddenly tell you you’re going 80 when you know you’re only going 20?

What is the instument cluster on a 2003 Chev Silverado?

Vocational, Technical or Tra… Hi my name isXXXXX have a 2003 Chev Silverado ext 4×4, 5.3 ltr and my instument cluster is on the “blink”. When i turn the key on all the lights … read more

How much does it cost to repair a GM speedometer?

If so, you may have heard horror stories from other GM owners who had the same problem and ended up paying upwards of $500 or $600 to get their instruments repaired. We’ve heard this story many times before. In fact, we lived this story. But before we dropped the dough, we wanted to find out if there was a better way. And you know what? There was.

Why is the tachometer on my Silverado not working?

Under the hood, I pulled the fuse panel cover and shroud then lifted up the fuse block. This is what I found… Looks like somebody had fun in there. That is the harness that feeds into the firewall to the cluster, and sure enough the white wire you mentioned was completely chewed through. Got them all repaired and viola, tachometer is now working.

Why is YouTube not working on my Chevy 1500?

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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 is the odometer located on a Chevy?

The odometer is part of the instrument panel and connected to the speedometer. It is used to determine distance traveled and due to previous problems with individuals and dealerships disconnecting the odometer, it is a federal offense to tamper with it.

What are the problems with the 6.0 Chevy Vortec?

5 Most Common Chevy 6.0 Engine Problems 1 Throttle body sensor failure 2 Low oil pressure, AFM, and excess oil consumption 3 Knock sensor failure 4 Exhaust manifold leaks 5 Water pump failure More …

What happens if the speedometer on my Chevy Silverado fails?

If the speedometer failed and the vehicle is within 7 years had less than 70,000 miles on it, upon proper proof of claim GM will reimburse the cost of repairs (parts and labor) up to the limit of what a GM dealership would have charged.

When does the Speedo stop working on a 2005 Chevy subrban?

I have a 2005 chevy subrban. After driving for an hour and a half to two hours the speedo will stop working. The speed reading will keep going up and not return to 0. The reading on the volt gauge … read more

Why does my gauge quit working on my Chevy Silverado?

20″ of a cooper braided ground wire on the drivers rear side came out on a chunk of snow that I kicked off. My voltage meter quit working today … read more Auto repair pro, 30 years ex… Hi, I have a 1999 chevy silverado with gauge problems. I see it’s a common problem, but my problem may be the result of a parasitic draw, … read more

Why are the gauges on my 2003 Silverado not working?

How to guide for Silverado instrument cluster repair 2003 Silverado 1500 Instument gauges inoperative. Dash lights up, but cant’t tell how much speed or rpm range and fuel level. Sounds like your gauge drive motors are wearing out. It requires motor replacement inside the instrument cluster.

What to do if your GMC Sierra Voltage Gauge does not work?

GM has had a issue with the clusters in the 2003-2005 trucks. The cluster will be replaced for free for your truck if it has less then 70k miles. I would take it to your local dealer and tell them that the voltage gauge sticks at times. They should order one for you, takes 1-2 days and replace it for you at no charge.

Is the speedometer stuck on a 2004 Avalanche?

The contact owns a 2004 Chevrolet Avalanche 1500. The contact stated that the speedometer functioned erratically. Most recently, it was stuck at the highest speed. The vehicle was taken to an authorized dealer who stated that he was responsible for repair costs. The vehicle was not repaired.

Are there any problems with the Chevy Avalanche?

65 problems related to instrument panel have been reported for the 2004 Chevrolet Avalanche. The most recently reported issues are listed below. I did an internet search to see what causes a speedometer to go out and to my surprise there are many people who have had their speedometer to go out on this model vehicle.

Why is the gas gauge not working on my Avalanche?

Gas gauge not working always showing emty speedometer not working correctly sensor light keeps comming on and off. The contact owns a 2004 Chevrolet Avalanche 1500. The contact stated that the speedometer functioned erratically. Most recently, it was stuck at the highest speed.

What causes a bad gas gauge on a Chevy truck?

A poor ground or loose connection to a gas gauge is just as likely to cause problems as loose or dirty battery cables assuredly will with your starting system.

What to do if your gas gauge fails to move?

If the float is OK and the float arm seems to be swinging freely through its full range, replace the tank unit. Ground the gas tank terminal post of the tank sending unit using a jumper wire. If the dash gauge now reeds empty, the gas tank unit is defective. If the dash gauge needle fails t move, the dash gauge is defective.

Why does my gas gauge read high when the tank is full?

A functioning sending unit will have a high resistance when the tank is full and a low resistance when the tank is empty. If the gauge reads higher than it should, make sure the wire attached to the electrical terminal on the tank sending unit is making a good ground connection.

What kind of speedometer does a Chevy Blazer use?

Quality reproduction of the original speedometer cable designed for use with various 1967-72 Chevrolet and GMC pickup, Blazer, Suburban, and Jimmy models. This complete speedometer cable assembly is manufactured to correct…

What kind of speedometer does a GM 4L80E use?

Classic Industries® is offering mechanical speedometer conversion sets for the 4L80E, 4L85E late model GM overdrive automatic transmissions. Each set will convert your overdrive automatic transmission to a factory…

What is the length of a GM speedometer cable?

This speedometer cable is manufactured as original and is a thread-on design that measures 70″ in length. This speedometer cable can be used on most GM vehicles with thread on ends on both ends. Features black plastic coated… This speedometer cable is manufactured as original. It is a push-on design and measures 69″ in length.

Is it possible to fix an inaccurate speedometer?

Fixing your inaccurate speedometer will also require some real-world testing to determine the percentage of error introduced by your new tires or gearing. For that, you’ll need a GPS-connected device to verify speed–a phone app, a portable navigation system, or something like a VBox should do the trick.

How do you change the gear on a speedometer?

Clip the new driven gear into place on the speedometer cable. Replace the gear housing cover and secure it in place with the bolt you removed in Step 1. Secure the speedometer cable back into position. Determine the distance of the test drive needed to recalibrate your speedometer.

What causes a speedometer to read slower than the actual speed?

Changing the stock parts, including the vehicle’s tires, can throw off the speedometer calibration; larger tires cause the speedometer to read a speed slower than the vehicle’s actual speed while smaller tires cause the speedometer to read a speed faster than the vehicle’s actual speed. You may recalibrate a speedometer in a few simple steps.

How can I tell if my speedometer is not working?

Whether you have a digital or manual speedometer, if it’s not displaying accurate information, it doesn’t really help you. One of the biggest signs your speedometer sensor is not working properly is the speedometer will display inaccurate readings or the needle or digital numbers will not move at all on the speedometer display.

How many revolutions does a GM speedometer spin?

A properly calibrated GM mechanical speedometer should spin 1,001 revolutions in one mile, in 60 seconds. As an example subject, let’s imagine we have a car with a Chevy Turbo 350 and a 3.55 rearend ratio. We’ll also use our hypothetical tire diameter of 26.1 inches.

How many teeth are in a GM speedometer?

The Turbo 350, Powerglide, and GM four-speeds have driven gears that have anywhere from 17 to 25 teeth. Speedometer driven gears in the Turbo 400 and 700R4 have between 34 and 45 teeth. In these transmissions, each tooth added or deleted changes your speedometer reading.

Why is the odometer and Speedo not working?

Neither the Speedo, odometer, nor cruise controls are working. I changed out the inst. cluster and the vss. It does not have a mechanical speed sensor, electric magnetic. I originally thought it was the cluster so I changed that, no good. A few weeks later the service engine light came on, checked for codes and got 24. I than changed the vss.

Is the odometer on my 91 Chevy working?

I have a 91 Chevy k1500, 350, 700r4. Neither the Speedo, odometer, nor cruise controls are working. I changed out the inst. cluster and the vss.

What causes a bad gauge cluster in a Chevy Silverado?

Individual gauge problems are almost universally caused by failing gauge motors. Each gauge is controlled by one gauge motor called a stepper motor. For example, an instrument cluster with 6 analog gauges will have 6 stepper motors.

Why does my oil pressure read high on my Silverado?

If your 2003, 2004, 2005 or 2006 Silverado oil pressure gauge pegged out, has unusual fluctuations in it’s readings or reads high it can be caused by one of two problems. The first common cause is a faulty oil pressure sensor which is mounted on the engine. This is yet another common issue with 03-06 Silverados.

Why is the shift indicator not working on my Chevy Silverado?

With the shift indicator light being off, tachometer not moving, speedometer not working and all the transmission codes you have, this sounds like electrical problem. It’s possible you have a bad ignition switch.

How much does a Chevy Silverado speedometer cost?

The warranty has been extended on some of these units to 7 years or 70,000 miles. The average cost for a Chevrolet Silverado 2500 HD General Diagnosis is between $88 -$111. Learn More Chevy truck speedometer stopped working not showing speed at all.

How long is the warranty for a speedometer?

The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. The warranty has been extended on some of these units to 7 years or 70,000 miles.

How are the wires on a speedometer reversed?

The two wires can be reversed. speedometer kits and they have three wires. One wire is a reference power, one wire is the ground, and the third wire is the signal. 2. Use a mulitmeter to test. One-Wire Signals. (Figure 1.) volts. Depending on the application, the reference voltage is usually that when the vehicle is moving.

How to determine what type of speedometer signal is present?

Follow along with the guide below to determine what type of speedometer signal is present, and learn how it is tested. 1. Determine the signal source. simplicity, we will call them one-wire, two-wire, and three-wire. controlled transmissions or fuel injected applications. This single wire is the signal wire.

What happens when a speedometer sensor loses power?

Vehicle loses power Today’s cars and trucks have electronic fuel injection, which is controlled by the onboard computer. The EFI supplies fuel to the engine based on input from multiple sensors; one of which is the speedometer sensor.

Why is the speedometer on my truck 94 not working?

CLICK HERE TO RESET YOUR PASSWORD! The speedometer on the ’94 finally broke for the PO just before we bought it. It had been giving him problems for awhile. A couple times on the drive home, it would flip up to speed and then back to zero. 99% of the time it was zero.

Can a Chevy Astro have an automatic transmission?

With a tough construction and a design that emulates its larger brothers, your Chevrolet Astro has more industrial capabilities than a typical minivan. Keep its towing capacity in gear and the transmission functioning properly with an Astro automatic transmission repair. AutoZone has you covered anytime you’re in the market for a new transmission.

What kind of ABS does a 1994 Chevy S10 have?

I have a 1994 Chevy S10 pick-up, 2wd, V6 (not Vortex) with auto trans, ac, 4wheel ABS. My question is: Yesterday my abs light in the dash came on, at the same time I lost power to my air conditioner, m … read more

Why is there no speedo on my 88-91 truck?

But on the 88-91 trucks the speedo is controlled by the “BRAKE” fuse!! I noticed people riding my tail lately and found no brake lights. Fuse was blown. If you have a trailer wiring or the brake switch goes bad (my case) the blown brake fuse will kill the brake light, cruise, brake unit, AND the speedo servos.

Why is my Speedo stuck at 30 mph?

If you have a trailer wiring or the brake switch goes bad (my case) the blown brake fuse will kill the brake light, cruise, brake unit, AND the speedo servos. I replaced the fuse hit the key and bam! Speedo reset to 0/mph, it’s been stuck at 30/mph for months.

Why is the odometer on my GM Truck not working?

A common fault on ’99 – ’02 GM trucks was the permanent or intermittent failing of the odometer/gear select LCD. This meant that you were unable to see what gear you were currently in, unable to determine the mileage of the vehicle, and unable to use the trip computer.

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.

When to troubleshoot the electrical system in a Chevy Silverado?

This happens sometimes when trailer wiring has been added, causing electrical system problems. Consider having the BCM or Body Control Module replaced if your Silverado repeatedly blows out the same fuses or if it seems like you’re experiencing one electrical problem after another.

Can a poorly seated CKP sensor set a DTC?

A poorly seated CKP sensor may perform erratically and may set false diagnostic trouble codes (DTCs). 1. If installing the old CKP sensor, install a NEW O-ring seal.

What should I do if my Chevy Silverado starts acting up?

Contact GM if a relatively new Silverado starts acting up. It could be that there is a TSB (technical service bulletin) or recall that addresses the problem. If so, give your dealer the TSB number and expect to get your repair made for free. Since 2007, the newly designed Silverado shares the same platform with the Chevy Tahoe and GMC Yukon.

What happens when the output shaft speed sensor falls out?

The other sensor is the output shaft speed (OSS) sensor. If either of these two sensors falls out of alignment or experiences electrical issues, it impacts the operation of the entire transmission.

When to replace shift solenoids in GM 4L60-E?

TIP 4: If your transmission is slipping, replacing the shift solenoids, even if they’re fried will not solve the slipping issue. The 4L60-E transmissions uses several solenoids and sensors to control/activate its 4 gears.

What’s the problem with my Chevy Speedo shifting?

Could have corroded comp or possible break or short in a wire so look everything over, try using electrical connector cleaner, let dry out then plug everything back up. Also try unhooking the battery for a bit then give everything a shot again. Just the plug on the driver side front ABS wheel sensor.

Why does my transmission stay in limp-in mode?

The most important thing to remember, when trying to decide if you have a solenoid issue or internal transmission damage (causing the transmission to stay in Limp-In mode) is two very important things: You’ll have a specific transmission solenoid trouble code stored in the PCM’s memory. The transmission doesn’t ‘slip’.

What does it mean when your transmission is not shifting?

Some customers may comment that at times the transmission seems to slip, or that there is a loud roar from the engine with slow acceleration. This condition is most noticeable after the vehicle has sat idle for 12 or more hours, or on hot days when the A/C is on and the vehicle moves slowly with traffic.

When does the ABS activate at low speeds?

Make and Model > Chevrolet > Astro Van > ABS Activates at low speeds… GM has issued a service bulletin #02-05-25-006B to address a condition where the ABS activates at low speeds, usually less than 5-mph) even though the vehicle is not in a skid condition. The ABS activates at low speeds bulletin applies to the following vehicles:

What to do if your ABS sensor is distorted?

Check the sensor for flatness in multiple (minimum 3) positions/directions. If the sensor head is distorted, replace the sensor. Apply (spray) two thin coats of the specified rust penetrating lubricant (corrosion inhibitor) to the complete sensor mounting surface on the bearing hub. Allow to dry for 3-5 minutes between coats.

Is there a way to replace the speedometer cable?

Replacing the speedometer cable is one option, but there are two methods for lubricating the old cable that’s worth it to try first. For one method, they make a special speedometer cable lubricant that’s installed where the cable attaches to the speedometer head.

Where does the signal come from on a speedometer?

A signal originates from a driven gear that meshes with the transmission tail shaft. This set up rotates a flexible metal core inside of a speedometer cable, which in turn, connects to the back of the speedometer head mounted in the instrument cluster . The faster the tail shaft spins the higher the reading on the dashboard.

What kind of speedometer does a GMC Sierra have?

89 GMC-CHEVY Guage Panel Cluster- Manual Trans Truck. Good Working Cond. USED 232k! Diesel Speedometer Cluster Fits 01-02 SIERRA 2500, 15065280 28840 Only 1 left!

How to repair the speedometer on a GM car?

First, remove the clear plastic lens by gently prying outwards on the black tabs, use the Multitool. Or screwdriver , or whatever it is you are using. (disregard the two wires sticking out of the cluster, those are form my LED’S that I put in)

Why do I have marks on my speedometer?

These marks will give you a reference point to set your needles back exactly where they were originally after you replace the stepper motors, ensuring accurate readings upon reinstallation. BE VERY CAREFUL WHEN YOU ARE DOING THIS, IF YOU MESS UP THESE GAUGES WILL NOT READ CORRECTLY AND YOUR SPEEDO/ OR OTHER GAUGE WILL GIVE A INCORRECT READING!!

Is the 5.9 Cummins Engine a good engine?

If you don’t consider the fuel system, the 5.9 Cummins is a very reliable engine. The internal parts like the pistons, rods, and crank will last for a zillion miles even with some abuse. The turbos are very responsive and will give a long service life, but they don’t have a tremendous horsepower potential.

Can a faulty FCA cause a Cummins to stop?

A faulty FCA can cause a variety of issues, from rough idle, low power, a deviation from desired rail pressure, and even a no-start condition. It’s a pretty common failure, and luckily a new FCA is very easy to install on a Cummins, and it’s also affordable at a hundred and thirty bucks.

What kind of nozzle does a Cummins 5.9 have?

The later 04.5 to 07 Cummins 5.9s featured a five-hole nozzle, a narrower spray pattern, and to match that pattern, a different shaped piston bowl needed to be used. In addition, the later 5.9 Cummins also featured a third, post-injection fuel event after the main spray, and the main purpose is to reduce harmful emissions.

How long does it take for Amazon speedometers to ship?

Only 5 left in stock – order soon. . Usually ships within 6 to 10 days. . . Only 2 left in stock – order soon. . Only 13 left in stock – order soon.

Is there an era adapter for my speedometer?

The Electronic Ratio Adapter (ERA) can take care of this problem for you. The ERA receives the current speedometer signal from the speed sensor and will output the correct speedometer signal to your speedometer. The ERA four step wiring is a snap. The ERA is compatible for most cars and trucks. Shipping and handling charges will be added.

Where is the VSS sensor on a GM Truck?

To change the ratio on an 89 a reduction box was used on the speedometer cable at the trans or transfer case. I believe 1992 was the first year GM used a DRAC in the trucks. The 89 still used a speedo cable and the vss sensor was located in the speedo head.

Why does my speedometer keep bouncing between speeds?

Bouncing or jerking of speedometer In cases where the speedometer does not settle on any particular reading but keeps moving between speeds, it is almost always due to bad wiring, in case of a cable system, or a faulty speed sensor. In most cases, only the wiring needs to be changed, or the sensors re-calibrated, to repair the problem.

What should oil pressure be on a GMC Sierra?

I have a 98 GMC sierra with the 5.7L and every time I drive it, my oil pressure is all over the place. When its started cold it reads 60, when its warmed up at cruising speeds of about 55-60mph it reads 40, but as soon as the RPMs drop when I coast, idle, or drive under about 10-15mph (warmed up) the pressure reads 20. Is this normal..

What should the oil pressure be on a 1998 Chevy truck?

1998 Chevy Truck K 1500 Truck 4WD V8-5.7L VIN R Oil Pressure (Minimum at Normal Operating Temperature) 1000 42 kPa (6 psig) 2000 125 kPa (18 psig) 4000 166 kPa (24 psig)

Why is the speedometer on my Chevy truck not working?