Speedometer Erratic/Twitching Won't Shift - Code C0055 Speed Sensor SOLVED Chevy/GMC 1999 - 2006

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I'll show you how to replace Vehicle Speed Sensor in 1999 - 2006 Chevy Truck & SUV. How to fix code C0055 - Rear Vehicle Speed Sensor on 1999 - 2006 Chevy Silverado/GMC Sierra. The Erratic/Twitching speedometer and not wanting to shift can be an easy fix. I'll explain how I fixed mine and hopefully help you fix yours cheap and easy.
- Here is a link to the part I used in the video: amzn.to/3o8BfE3 it cost me around $15.
I should ad that I ended up replacing the VSS Wiring Harness as shown in this video: • How to Trace and Repla...
- How to Test with a multi-meter www.freeautomechanic.com/wiri...
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29 ноя 2021

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Комментарии : 97

@rkalive8 2 года назад

Thank You so much for you taking the time to make your video. Got my VSS changed and is working good on the first few test drives. Fingers crossed

@FreeAutoMechanic 2 года назад

That's awesome to hear. Thanks for watching!

@fernandoortiz793 Год назад

Easy and effective your video is so helpful thanks

@justinsac43 3 месяца назад

Good video best ive seen on locating sensor

@kristinakay8545 Год назад

Thank you SO MUCH for making a video and getting straight to the point, understandable point, without 10 mins of unnecessary talking. Hopefully this works. Thanks again

@FreeAutoMechanic Год назад

I should ad that I ended up replacing the VSS Wiring Harness as shown in this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pGon2ij2M6I.html

@russellbizzell2516 6 месяцев назад

@@FreeAutoMechanicwhat if this don’t fix it

@FreeAutoMechanic 6 месяцев назад

What if it does

@user-of9pr5bf9o 9 месяцев назад

Thank you so much, you just saved me a 1000 bucks.

@FreeAutoMechanic 9 месяцев назад

Your Welcome!

@kalebdoddridge1236 2 года назад

out new sensor in and wired a new plug on truck shifts like butter now no issues thumbs up

@FreeAutoMechanic 2 года назад

That's great to hear you gott'er fixed!

@MegaKriskate 2 года назад

Thanks for the info.. i resolve the problem with your video 👍🏼👍🏼

@FreeAutoMechanic 2 года назад

So glad the video helped. Thanks for watching!

@jeffwiggins3351 2 года назад

Thanks!

@Clean-N-ShineInDfw Год назад

This is exactly what my vehicle is doing

@rodneychapman197 Год назад

Sir. I want to thank you for making this video! Straight to the point! I have a 1997 Silverado with an automatic transmission and it won’t shift out of first gear until it gets warmed up. Drive, drive 2 and reverse are strong, but drive 3 it just revs up. ABS light is on and speedometer doesn’t move until it gets warmed up and when it starts shifting like it’s supposed to the ABS light goes off and the speedometer starts working. I’m thinking speed sensor or bad wiring. I’m going to crawl under there and check her out! Thank you again sir!

@FreeAutoMechanic Год назад

You are quite welcome. We are all in this world together.

@frankgotcha Год назад

Rodney Chapman did the speed sensor correct everything? Was you able to go into 3rd gear?

@rodneychapman197 Год назад

Yes sirrr!!!! I bought me a new speed sensor, changed it out and she now shifts better than ever!!!! $12 fix. 🙂 Again, I won’t to thank you sir for your video!!!! I’m no rookie at working on vehicles, but I watch and use a lot videos to give me better direction. Saves a lot of time in my opinion. Have s great day my friend!!

@frankgotcha Год назад

@@rodneychapman197 did you have anything in the bottom of your transmission pan, metal or anything?

@rodneychapman197 Год назад

I didn’t check it. I just changed out the speed sensor. It was right on top of the transfer case so I didn’t go into the transmission pan. I recently had a new flywheel put on and there was not any metal or shivers in the pan.

@TheLegendofBrettMorrison 2 года назад

Gonna Try This Thanks for Crawling under one Bowtie For Life

@FreeAutoMechanic 2 года назад

For sure let us know how it turns out.

@TheLegendofBrettMorrison 2 года назад

@@FreeAutoMechanic It Helped... i had just changed a tranny months ago... there was some wires Smashed that run to speed sensors / transfer case ?? fixed that and shifting back to normal... thanks didnt go out an by another rebuilt Tranny for 500.

@edy1434 Год назад

Hello thanks for your video it was so helpful for all the people out there my problem was different, my speedometer didnt move at all and it wont past 1 gear, so i wasnt that sensor but it was the other one located more like back on the transfers tail closer to the drive shaft, it wasn't the sensor but one of the cables of the harness was cut it was green and black wires i think, my truck is a z71 4x4 RCSB 99 5.3 4L60 in case anyone else have this same problem it can also be that other sensor

@shanecargile5538 Год назад

did you fix the wire?

@edy1434 Год назад

@@shanecargile5538 yes just put it together with black tape im gonna weld it soon so is more secure but that was the whole problem

@Clean-N-ShineInDfw Год назад

What's this connector called so I can order it for my vehicle?

@leftyloosey4916 2 года назад

Thanks for the very good explanation. I replaced the sensor and it still won't shift out of low gear. I'm thinking it's a pinch or frayed wire. It's had a bad oxygen sensor code for a while. I replaced the oxygen sensor but I still can't find the problem. I'm thinking it's there where the wire are laying at the body line but I don't think I can get to it to fix it without pulling the transmission. Got any suggestions?

@FreeAutoMechanic 2 года назад

Start at the back where the VSS sensor wiring harness connects and work your way forward. When it comes to tracing wiring issues it can sometimes require a lot of patience. Hang in there.

@FreeAutoMechanic 2 года назад

Here is a video replacing/repairing the vss wiring harness: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pGon2ij2M6I.html

@aarongreen39 Год назад

Maybe shift solenoids. If it won't shift, but I think if it was the solenoids, you would be able to go to 2nd gear, just not the higher gears or vice versa, I don't think it'll throw a code that directly indicates this but I could be wrong there.

@ThatOh5Cateye Год назад

Okay so I have this same issue.. I’ve watched both of your videos. I have a 05 Silverado z71 5.3. I was driving and service brake system popped up and Speedo started going crazy & losing gears like how yours did.. but it would randomly go away & randomly come back. It only does it whenever service brake system pops up, other than that it runs smooth. What could be the issue you think? I’m guessing maybe the wheel speed sensor on my passenger side front tire?

@ThatOh5Cateye Год назад

Replaced my vss, fixed my issue. Thanks for the help

@goofball3236 Год назад

i got a 99 silverado 2500 4x4 this summer when it was hot my tranny shifted perfect now itscold it will shift the first time but takes its time to shift the second time until the tranny gets warmer then it shifts perfect there in no engine light on so no codes

@americanwoman6246 2 месяца назад

Can you be more specific about where the other end of the wiring harness is?

@FreeAutoMechanic 2 месяца назад

Why Sure! You will find a highlighted video at the end of this one that dives into the wiring harness repair. Here is a link: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pGon2ij2M6I.html

@americanwoman6246 2 месяца назад

@@FreeAutoMechanic thank you so much

@americanwoman6246 2 месяца назад

@@FreeAutoMechanic the abs code reader said irratic speed sensor signal... That's the wiring harness correct? I have replaced the speed sensor 3 times.

@MarcoRodriguez-lr2xt Год назад

Mine shifts fine but i have no speedometer movement at all. RPM gauge and all others work . Could it be a bad instrument cluster?

@FreeAutoMechanic Год назад

Sure could. One thing is certain with these vehicles, anything could possibly go wrong. Thanks for watching.

@thejameslealartco.7625 Год назад

I have a 95 K2500 454 4wd that I thought might be the speed sensor but I just replaced it and the speedometer runs very smooth, but it will not shift out of first. Not sure where to go next. Does anyone have any ideas?

@FreeAutoMechanic Год назад

Here is a good read. www.freeautomechanic.com/transmission-troubleshooting.html

@toddsims5147 2 года назад

i got a 02 chevy 1500 4x4, did you only replace the one sensor or did you replace all 3 on the transfer case?

@FreeAutoMechanic Год назад

Only needed to replace the One sensor. Thanks for watching!

@toddsims5147 Год назад

@@FreeAutoMechanic okay! I replaced all 3 and now my Speedo doesn’t work and trans won’t shift our first due to no Speedo

@FreeAutoMechanic Год назад

@@toddsims5147 Here is a a follow up video of what I ended up doing to correct my issue. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pGon2ij2M6I.html Your problem may be similar to what I had to deal with. Check it out.

@toddsims5147 Год назад

@@FreeAutoMechanic I didn’t get around to watching the video but my issue happened to be the wiring, so I ran new tires and a loom from the computer back to by VSS and that fixed my problem?

@dylanfuller1986 Год назад

Just installed this part and it fixed it but my mph still drops when I drive past 30 what could this mean?

@dylanfuller1986 Год назад

Acts sporadic

@marcoherrera2464 2 года назад

I have the same issue I replaced the speed sensor and didn’t work for me. I think my wire harness may be bad can you explain more on how you fixed it? Mine is a 2004 GMC Yukon 5.3 2wd

@FreeAutoMechanic 2 года назад

So far All I have done was disconnected the harness connections and wiggle the harness and it has been working flawlessly since. Am waiting for warmer weather before digging to deeper into where the exact location of the harness failure is. Hope it works for you as well. Thanks for watching!

@marcoherrera2464 2 года назад

@@FreeAutoMechanic Did that still didn’t fix my problem. I only have 1 & 2nd gear I just recently did a transmission swap and it does the same thing. Where should I start? Could I possibly have a bad pcm ?

@FreeAutoMechanic 2 года назад

@@marcoherrera2464 Best place to start is with the Codes. What are all the codes present?

@Sasuke-bh6yv 2 года назад

You could have the sensors swapped in the wiring

@yatusabes909 Год назад

Where did you find the specs for the amount of oms the sensor is supposed to be?

@FreeAutoMechanic Год назад

Ohms information was located in an Auto Repair Manual. www.freeautomechanic.com/repairmanuals.html

@kellismith4329 Год назад

You can see if the sensor is working by passing a magnet back and forth of the tip while watching the reststance, the changing magnetic field will change the value of the resistance as it switches

@hannahwebb5653 Год назад

Could this also cause a lost communication to Tcm code?

@FreeAutoMechanic Год назад

No.

@stevenestrada7880 Год назад

My problem is that my fuel gauge on the cluster is always twitching or shows that I have no gas

@FreeAutoMechanic Год назад

Most common cause is bad ground to pump module(the fuel gauge sending unit is a part of that). Generally replacing the fuel pump module will cure the issue. In rare cases the gauged may need replaced. Thanks for watching!

@richcandella9154 Год назад

tried sensor no fix and wires on 98 have few sensors and you say plug behind eng releases it all whole harness to check

@tweek857 Год назад

Did it say speed sensor open ?

@FreeAutoMechanic Год назад

It reads: Chevy Code C0055 - Vehicle Speed Sensor Circuit. Kind of vague but is what came up on the Scan Tool. Circuit description here: www.freeautomechanic.com/mechanic/forum/2021/11/gm-code-c0055-vehicle-speed-sensor-silverado

@bruceb5923 2 года назад

I noticed that your check engine and ABS were also lit. Did this fix also clear those issues? Or is that a separate issue? Thx

@FreeAutoMechanic 2 года назад

Was a different problem that I took care of in this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-kIjzL-zuC2Y.html Thanks for Watching!

@andreamoss9186 Год назад

I'm having some issues with my all them light is on my dashboard my heat won't work or nothing

@coversquirrel9353 10 месяцев назад

@@andreamoss9186 this may be 8 months late but that’s most likely the ignition switch. Went through that a few months ago

@diegomata7448 Год назад

Amigo ya se lo cambie y siguio asiendo lo mismo

@FreeAutoMechanic Год назад

I should ad that I ended up replacing the VSS Wiring Harness as shown in this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pGon2ij2M6I.html

@Clean-N-ShineInDfw Год назад

Nobody can figure it out and I've replaced several part's

@richardbillings9511 Год назад

I have a 99 Yukon that won’t shift to second gear it’ll shift to third gear after 20 miles an hour, but I have to let off the fuel then it will shift into third. It will not go in the second gear, no matter what you do in the ideas.

@richardbillings9511 Год назад

Any ideas?

@Clean-N-ShineInDfw Год назад

Yeah I agree the speed sensor didn't fix the issue with my vehicle

@toriwilliams500 Год назад

Not one time😂😂

@ThatOh5Cateye Год назад

How did you fix it

@jl456 Год назад

My speedometer jumps up and down while driving now and it shifts very badly sometimes it feels like there's nothing like I'm in neutral then the next I'm stuck in overdrive or 1st gear. And it just happened all of a sudden. Could this be my problem you think?

@FreeAutoMechanic Год назад

Do you have code C055?

@jl456 Год назад

@FreeAutoMechanic I don't have a code yet I stopped driving it. The abs light stays on now. But the speedo jumps like yours and almost shifts like yours

@williammurray8060 Год назад

My 93 s-10 auto 460L did the same thing. Also at the time my abs brake light would come on??? Unhooked battery and cleaned odometer speed sensor with brake cleaner and electronic cleaner. Hooked everything back up, problem solved.

@FreeAutoMechanic Год назад

I am trying to picture a 1993 Chevy S-10 with a Ford Big Block 460L Engine in it. Sounds wicked! 1/4 mile time? or Show?

@richcandella9154 Год назад

question does electronic shift speed senor differnt thanmanul

@FreeAutoMechanic Год назад

I think it is.

@brenninknudson6017 Год назад

I've been told these speed sensor can make it so you can't shift into 3rd and 4th gear I only have 2 gears 4L60E my 01 silverado LS 4.8

@FreeAutoMechanic Год назад

Let us know if replacing the sensor fixes the issue you are having. Specially if it has code C0055.

@brenninknudson6017 Год назад

@@FreeAutoMechanic but there is no codes at all nor check engine light. People keep saying it's my clutch pack but also the transmission control module can cause no shift for 3rr and 4th gear too.

@FreeAutoMechanic Год назад

@@brenninknudson6017 This video is dealing specifically with the CODE C0055. As your vehicle has no check engine light on or codes this video may not address your needs. If you have a question please ask it here: freeautomechanic.com/

@brenninknudson6017 Год назад

I'm confused again because the transmission has 2 speed sensor and rhe transfer case has 3 you're not really showing mote explain such identifying information.

@FreeAutoMechanic Год назад

This video is dealing specifically with the CODE C0055. As your vehicle has no check engine light on or codes this video may not address your needs. If you have a question please ask it here: freeautomechanic.com/