NISSAN ALTIMA RANDOMLY WON'T ACCELERATE ABOVE 25MPH!!
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- Опубликовано: 11 июн 2024
- In today's video we take a look at a2015 Nissan Altima w/ a 4 cyl 2.5l engine. The customer complaint is that the accelerator pedal will randomly stop working while driving and the vehicle will not go over 20mph! The owner has already replaced the throttle body and the accelerator pedal sensor assembly. There are no codes or DTCs stored in the computer, so we have to figure this one out the hard way! We catch a break when we realize the brake lights are intermittently getting stuck on! Follow along as I walk you step by step through my troubleshooting and diagnostic procedure. I hope this video helps someone! Refer to Technical service bulletin NTB15-111 for more information!
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The biggest take away for me, is the fact you genuinely seam to care. That shop and customer are extremely fortunate they had such a great resource to turn to. How many people would be getting ripped off or replacing a perfectly good car over a relay.
He’s got to be nothing short of the best diagnostic tech that I’ve ever seen.
The Dr Gregory house of cars!!
You can feel his positive energy.
He's a DETECTIVE
I’m noticing a pattern with Nissan brake light switches, this is like the 7th video I’ve seen about Nissans having weird problems because of faulty brake light switches.
Almost to 100k, I can’t wait to see that. You deserve many more.
We have a 2018 Nissan Altima and it does this also. I shut car off and restart it and it goes away. So I'm going to change this part and see if it works.
@@bradleymadosh3596 Hello Bradley, I have same problem with my car.... have you already changed the breaks switch ??.... please, let me know if so, and if your car is running well... thanks.
Had a similar problem with 2013 Nissan Sentra took it to two garages including Nissan dealer,they couldn’t figure it out. I did a search on RUclips found a video saying check and see if there was moisture,actually water in the any of the brake lights and there was.Went to salvage yard got a replacement rear brake lens FIXED IT
Just replaced these on my wife's car 2014 sentra. Hers was running fine but while driving it would lag and her rpm would go down. You'd press accelerator all the way in and nothing. When turning on the car too, the pedal icon wasn't on and you could start the car without pressing the break. Bow after the new parts, it works!!! MAF could also be a symptoms, I cleaned it prior to doing the brake sensors
I like this guy I wish I had him as my mechanic it looks like he cares about his customers very thorough
At 64 years of age this is a new one on me. Excellent diagnosis and presentation as always. Thank you for what you do.
I wish the OEM service data (from all manufacturers) gave better details on ECU ‘default actions/safe mode’ operation when strange conditions exist. Two weeks ago I had a Hyundai where the ECU would shut off the AC compressor when the CKP signal was weak (but present).
You're not the only one, so tied up in repairs that there's little time left to edit!
Excellent as always, and VERY helpful!
Great work as always, Eric! When you mentioned that there were no codes because the condition was intentional was genius.
Excellent, fully informed video including how you interpreted the diagnostic information. I’m a little surprised that the diagnostic tool didn’t alert you to the braking issue. Fabulous that you happened to notice the brake lights as you walked past the rear of the car and analytically connect it to the initial complaint! You are truly a mechanical detective!! Looking forward to more revelations!!!
Dude, this is EXACTLY what happened to my son’s Altima. Now we know what to recommend to the mechanic. You rock brother!
Did it fix it? I have a 2014 same issue
@@dylanrose4102 yes, it was diagnosed as the Stop Lamp Switch and replaced. Issue gone!
Stop lamp switch
Where's it located excatly..pls?
@@mikeklimavicius5670thanks for sharing. My daughter just got an Altima and has the same problem. Did you then have to replace the stop relay switch like this shop had to do also?
Nice one! 👍 interesting case. You were fortunate to see the braking lights, otherwise it would have been a much longer diagnosis and head scratching 🤯
I love watching Eric's video, cause it's like watching Columbo solve another mystery.
I've had the same issue with my 2012 Altima since probably 2014 .. here we are 9 years later and finally someone smart enough to narrow it down to what the problem is. Thanks, Eric!
I just encountered this problem (limited acceleration, trac control light turns on) on a 2021 Hyundai Accent, but I received a P0121 code (throttle body). Found out it was replaced at the dealer, but code and symptoms returned. Just for your video, I’ll ask the dealer to check the brake switch and relay now. Thanks for your great videos. You’re a great teacher!
You is the only person that talks the truth about the problem blessing 🙏 to you
One of the best diagnostic videos I have ever seen!! Thank you!!!
Thanks for the good tips. I owned a 2008 Altima 2.5 and have experienced problems with the brake light switch. It won't start and I suspected it to be a battery issue which was not. It worked well after changing the brake light switch. It pays to learn. Thank you.
It's cool when you post these head scratching diagnostic videos.
Awesome job!
Thank you Eric. Good job. Looks like one brake switch is for cruise control and other is to control the stop lamp relay, which will operate the stop lamps and also splices to signal to ECM, ABS, and BCM. Have a blessed week to you and your family.
You're a very knowledgeable and contributing viewer. Every time I see your name, I make sure to read your comments. I appreciate your input.
Thanks for the info!
D
@@ADVANCEDLEVELAUTO I may need your assistance with a 2004 Trailblazer, 4.2 I6, wont get up and go either.
@@ADVANCEDLEVELAUTO
Great diag bro I have the same scanner man I love it. Are you gonna stick with it or go with something else? Also have you used it for pcm and ewt alignment?
I didn't regret watching this video. Very useful info, thanks.
Thanks for the great video.
I met the same randomly driving issue just after replacing the brake servo. It was a 2016 Nissan Tiida 1.8L with CVT transmission. I used ThinkTool to record data like the first time you did. I cleaned the MAF, which seemed better, but still having the issue.
Finally someone noticed the brake lights on and then I redid the adjustment a little bit longer. The issue was gone!!!
I'm in a mechanic master or technician BUT I've been search stuff on good search and RUclips video on how to troubleshoot in fixing Toyota Camry and Corolla that auto repair shops have no idea what I'm talking about. I've became a ROOKIE in fixing my Camry and Corolla maintenance. I've hardly ever taken my Camry and Corolla for maintenance to auto repair shops unless I absolutely have no idea and can't find anything on Google or your videos... this saves me a lot of $ and time.
I have a 2006 Sentra, was accelerating uphill off an exit and the brake light came on and I was unable to accelerate past 25. Pulled over, turned car off, then it turned on again and hasn’t happened again. Maybe that is what’s wrong with my car. Mechanic ran all codes and nothing! This video was very helpful. Thank you 🙏🏾
Having same problem right now on 05 Sentra with 107k I have a code but this is worth looking into for sure mine kinda gives me a few second heads up and just starts idling down then turns off. I'm start it again and it acts fine
Alternator
Let me rephrase this I have a Maxima that this happens to, every time I change the alternator and this issue goes away.
This was a cool diagnosis! I definitely wasn’t thinking brake light switch at all! Great way to narrow it down bro!
BRO!!!! ur such an awesome person! my cars been doing the same exact things!!!! i kept thinking it was the transmission nd dont have that much money to switch it out. i will be getting the sensors nd relay replaced nd bc of ur video brother u may have just saved my bootiehole. THANK U THANK U THANK U for makin this video!!!!! i wish i was in texas to have u be my mechanic for life. i appreciate u soooo much!!!!!❤💯
I'm happy that I've subbed to your channel. I'm loving the challenge; I'm learning.
This is my first real live testing with a car scanner video.❤
Thank you so much for this video; it saved me from spending a lot on parts to find the problem. I had the same exact issue with my 2018 Honda CRV Touring. I drove two hours away from the city for work, and my car would randomly slow down numerous times. The RPM would drop, and the car slowed down as if the brakes were being applied. Then the RPM would go back up, and I'd regain speed, all without any check engine light or warning signs. Upon returning to the city, I had it checked and scanned, but no fault codes were found. They inspected the throttle body and cleaned it, checked the plugs (which were fine), and examined the fuel pump (which they also cleaned). They even removed the differential, but the problem persisted. The only option left seemed to be buying a new throttle body. However, I came across your video after extensive research before making a decision to purchase the new throttle body.
To confirm that the issue was related to the brake switch, I turned on the cruise control to see if it would turn off on its own without touching the brake. It did indeed turned off, confirming that my car was applying the brakes randomly. I replaced the brake switch, and the problem was solved. My car now runs like new again. Thank you! 😊
Excellent video man! This is a great demonstration of the diagnostic process
you were fortunate to see that brake light staying on,,, good job!
Eric; your videos/information is Greatly appreciated
I wish there were more people like you! I loved the way you approached the problem. I have a 2015 Nissian Rogue that is giving me similar problems. I am going to look into this solution. Thanks for a great video!!
Did it work for you
Did it work? I'm having the same issue
The king of diagnostic
This Video saved me big money thanks for taking the time to help.
I always learn something new from your videos, thanks
Always is nice to watch your videos. Thanks for so nice work. 👍
Very interesting and sensible ECM logic at work here but one which makes for a lot of head scratching. Very easy to see those brake lights on and dismiss their culpability in a limp mode issue.
Thank you very much my daughter just bought a Nissan we had this problem and it sounds like you're right on. I wrench and I think you're spot-on with the diagnosis that I got thank you thank you very much.
You are brilliant at the way you go at things
You are professional mechanic, the fact that you analyzed very well let me subscribe
Own the same scanner, works great. Awesome diagnostic video, Eric.
God bless you. You are a sincere and hardworking person.
Top class fault finding. Great video
Your videos are always well done.
This video was very interesting, informative, and educational! You present the problem in a very entertaining way Too! Thanks!
Thank you for posting this. My 2015 Nissan Altima is doing exactly the same thing. I will replace the relay first.
all your videos are awesome. i appreciate your hard work editing. im not a mechanic but entertaining to see your thought process. im in massachusettts near boston.
Thanks for stopping by!
Terrific diagnosis.
I'm glad you noticed the brake light on . 😉 great video and thanks 😊
Great video! And thanks for not calling the car an Ultima !
Thanks to "Charlie R" who commented that there is infact a Technical service bulletin about this problem. Nissan wants you to bypass the relay! If your interested Google search "NTB15-111".
This sounds like my exact issue with my 2016 versa note, thank you so much I will immediately go give these a shot!
Very good diagnosis and tips! That would make sense if the B.L. switch is pushed, you wouldn't want engine power to continue. Gotta keep this video for future use and to send to my former co-workers. I'm retired, now I work on mostly my own.
yes it's exactly what it does you can even confirm it in a perfectly working car, press the brake and then try to accelerate it will be unresponsive
This is exactly what is going on with ours, thank you!
Just as well the costumer came to you , amazing pick up .
Tengo el mismo problema con un Sentra 2014. Tu vídeo me servirá de mucho. Gracias amigo
My thought process was running right with you. Excellent idea to record data, that I didn't think of, norm I would ride and watch. And also, I was thinking unplug one switch and watch the scanner to figure out which one of the is sw/1 or sw/2. Fantastic brother!!! Nailed it. Much thanks for the video and some new knowledge !
😊😊 g cop p hu💇🏾♂️😅🧖🏾♀️🙅♀️
Best mechanic video ever
Hey, I watch a lot of your videos and am glad I do. My relative is having the same problem and is trying to find which bake light relay is the culprit in which location. Thanks again.👍👍👍
Advanced level Auto you are a godsend my sir and I appreciate your appetite for understanding
Your videos are MONEY. Thanks for sharing.
Great info and love the video Erick!
Thanks Eric,, great work, 👌excellent technician,,, 🙏
Man, you are the best in everything. Thank you so much
Dang, I wish I would have come across this video while I stayed in Spring, Texas….I have a 2012 & 2015 Nissan Altima and the 2012 was given me the same problems. I sold it but now I need to have my 2015 checked because it has no heat. Great video!!!
You rocked this one. I have two with the same problem and now they are both fixed.
How do you fix it lets kmow
Are there 2 different sensors you can buy or just 1? We’ve replaced 1 but not the other because we can’t find a second different one. Hope that makes sense? Or can we use the same one on both?
Very thorough i like. 🙏🏿 thank you for your diagnosis. helped me to understand a little more
Another awesome video Eric . Thanks !
I'm amazed that the two brake switches having the same status doesn't throw a code.
I was surprised at that as well. But then I saw it was two separate switches, so it probably happens normally if the pedal is in just the right spot. I think most other cars have a single assembly with the two switches so they are less likely to do that.
@@russellhltn1396 engineering missed the flowchart.
@@michaelshadwick3487 Maybe, but being two separate switches increases the likelihood of not being in sync and causing a nuisance code.
hi with me it happens after turning in a rounadout or emerging or to the main road, no revving kept pressing the pedal but not respinding, engine is on and after a couple of seconds it goes back, its just worrying me as sometimes cars are behind me it couls be a danger
What relay number is it?
Excellent video - keep them coming!👍
I had the exact same issue! Going to give this a try!
Great lesson like everytime you post something
Have exact same problem. Thank you so much!!
Very informative and thorough video thank you.
Brother.. I have this same issue on my 2013 GT-R. Same exact symptoms, I think you may have just solved my issue. Ill call the shop today, and troubleshoot hopefully this fixes the issue 🙏🙏🙏
Very interesting. Thank you.
Always educational! Thank you!
Merci monsieur pour tes vidéos 👍
Great job man, finding the cause the way you did 👍
thank you… i have the same issues and will try to fix this on my own now
Instant suscribe! Good video!
My lady’s 2019 Nissan Sentra SV is having acceleration problems.
very helpful knowledge and pratical experiences on car diagnose and repaire. Thank you very much.
Always love your videos!
Thanks for always watching!
Just watched your video, very informative. Gave me a few more things to consider. Thanks.
Thank you man. It’s very informative 👍
Thank you. My Altima has started to do the dame lately. I will get it checked.
Eric, Good find brother thanks for sharing.
You are just ....................................................... AMAZING !!! Thanks for the video !
Very good catch.
Great job as always one of the best.
Thank you so much I’m saving and sharing this video ❤
Very good information, congratulations 👍
Thank you for the interesting video and diagnosis
Nice one buddy love your diagnose
I think your video just saved me thousands of dollars and many hours. I have a 2013 Nissan Maxima. I’ve been having a very similar issue issue but not stuck at 25mph my car will basically buck through acceleration randomly but I can get up to speed 50-60 if need be. Totally intermittent it took a long time to get worse and is very concerning when driving. No codes. Had the car looked at by 2 mechanics on was Nissan. Replaced the spark plugs for routine maintenance and did tranny fluid not to long ago. Nissan told me replace the transmission which is a awful answer.
My engine mount is also bad so we thought maybe the engine moving caused something to be loose or crack letting air in. So we check d all tubing and wires to see if anything looked bad, we tested the car a whole bunch shaking it and braking quick hard Corning and realized something felt like it was sticking, and causing the brakes to go off. No Abs warning but we thought maybe that was kicking in for some reason. Watched your video and it all clicked together. It’s bucking on acceleration after hitting the brakes… the brake switch is sticking… my father was driving behind me and saw the brakes flicker a few times meaning it was engaging when I wasn’t hitting it. I just switched the plugs for $100 and no issues so far. Thank you so very much
Awesome! I hope that solved your problem. Thanks for watching!
That was nothing short of brilliant
Awesome job love your videos!
Good dammmmm job I had to subscribe am having the same problem with my wife's car she almost got hit going through an intersection 2 days ago that's why am here so thank you 🙏
Great find. Awesome video
I'm a tech as well and just wanted to add that there's technically only 1 brake switch on these cars. The other is a "Cruise Cancel Switch". I always go OEM and replace both. Great diag btw!
bless you and thank you for sharing this knowledge man... well done 👍🏾👍🏾👍🏾👍🏾