How to Diagnose a Bad Steering Angle Sensor

In this video I'll go over how a steering angle sensor works, how to diagnose a bad steering angle sensor, how to initialize steering angle sensor on Mercedes ML Series and how to use a scanner capable of reading live data or a multimeter to help narrow down the problem area. A bad steering angle sensor, bad wiring, poor connections, bad alignment, poor connections and a bad Traction / ESP Control module can all be the culprit but I'll show you how to check each one and find the right culprit.
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Disclaimer:
Due to factors beyond the control of Ratchets and Wrenches, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. Ratchets and Wrenches assumes no liability for any property or personal damage that may arise from doing a repair on your vehicle after watching any of my repair video's. Due to factors beyond the control of Ratchets and Wrenches, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Again Any injury, damage or loss that may result from improper use of tools, equipment, or the information contained in this video is the sole responsibility of the user and not Ratchets and Wrenches.

[@amokoikaw1]

FINGERS and thumbs is the best diagnostic instrument demoing principles and procedures . . .Testing in with between DMM and scanner is an elite talent!

[@JP-ib2iz]

Hey Mate, from Australia, even though you guys drive on the wrong side of the road ( lol) I've learnt a lot from 'youtube' how to use scanners etc. Your basic & simplfied explantions including when you explain how to check and diagonise electrical wiring issues and the various sensors is just as good this goes for 'ALL' youtube automotive videos and everyone involved in passing on your knowledge & expertise etc, and not only helping me to saving a lot of money but also the satisfaction of having accomplished finding the fault & fixing the problem, as a DIY backyard self thaught mechanic, I never stop learning from you guys! well done and Thank You

[@julianthecarspecialist]

I appreciate all the effort you put into making these. I learn a lot everytime thank you!

[@andrewmitchell7592]

I've had this extremely rare problem before. It was quite a headache to figure out and had to take it to our areas most specialized mechanic! !

[@usernamesoldout]

Dropped the like for the thumbnail. How long have you waited to use that?

[@marcior.2153]

Haha

[@myRatchets]

haha that is not my only thumbnail that looks like that :)

[@edilbekbrowne5235]

Hey, thank for you videos! I have 2001 E55 (W210) on my AUTEL it gave me the C1140 (sas) and I checked the Live Data (steering angle was at -0.0). Then I have replaced the sas with new one, the lights on the dash are there and Live Data still shows -0.0 (even when turning the wheel) I have only this error for ESP module. Q1: do you know where to look i to? Q2: where I can find the witing diagram for my car? Please help me 🙏

[@marcoguerrero2717]

Awesome diagnostic, similar common problem with 3rd generation Silverado trucks.

[@myRatchets]

yes, thanks for the comment Marco.

[@qa7103]

When the thumbnail tells you it's gonna be a good one

[@Tranded-d2x]

I've looked and looked for ways to fix the paint and my steering and came across one of ur videos and am still watching because finally you gave me answers that my dumb ass needed. Then this video had my laughing my ass off so will subscribe and post elsewhere. Thank you thank you thank you.

[@NicholasRiviera-Dr]

Wow, fantastic video. Great explanation with the wiring diagram aswell. This is the depth of explanation I have been looking for 👍

[@armandolopez8983]

Glad you are back!

[@fffrrryyy-54679]

Hi there, you might be able to help me here. I have a MERCEDES-BENZ ML-Class (W164) ML 320 CDI 3.0 4-matic 224 hp Diesel - 2008. Sometimes (not always) I get a yellow triangle with an exclamation mark on panel, then the self-driving, stability controls / ESP, and the rear camera stop working. I tried to change the sensor piece, but could not find anywhere in my country. It does work most of the time, but sometimes not. So Im wondering if you could shed some light here please :) Appreciated in advance 🙏

[@maxolifirovskyi7581]

Hi, when I check my steering wheel angle sensor through a scan tool, it always shows 0, regardless of whether I'm turning the wheel or not. What can that mean? Does my sensor need calibration, or is it faulty?

[@whobdis77]

I had to replace my clockspring. LIght is still on so performed the test above. When I have the wheels pointing straight forward and the steering wheel straight ahead I"m reading 360 degrees. I"m assuming somehow I installed it incorrectly..though it seems pretty straitforward

[@Vv-oc5tv]

I scanned my steering angle sensor and the value is -500 +/- but alignment is done wheels and steering is straight, what should I do with this value??

[@danielbronsema9253]

I think i have a problem with my audi a4 b8 2009 sedan steering wheel sensor, please give me some advice. If iam driving and steer to the right my car goes completely in alarm. esp, parking brake light, Etc. Everything thats possible. And my steering wheel goes to the left (25 degrees) but my wheels stay straight i can drive but its really annoying offcoure. Brought it to the audi dealer allready but they couldnt find the problem I personally think that this steering wheel sensor is bad. At this time my alarms are always on, just by starting the car. Could it be that my sensor is now completely broken by wear? The car has just over 200.000 kilometers now and this problem is occuring like 3 months now. You have some advice? Iam clueless:(

[@jayesmith9413]

#Outside #1

[@uuulaalaa]

I have a cadillac with the a invalid data resived from angle sensor code but also the steering wheel is off center wonder if an alignment first my first the issue

[@BobMoldon-b2s]

Very informative and easy to follow. I have w140 coupe 1998 and has a intermittent fault ABS EBS ESP it seems to be when the cabin becomes hot after being in the sun. Sometimes no fault for months and other times can be almost constant. But will reset by lock to lock wheel turn. Any thoughts?

[@Vv-oc5tv]

@ratches And Wrenches? I scanned my steering angle sensor and the value is -500 +/- but alignment is done wheels and steering is straight, what should I do with this value??

[@tvaddict817]

You should get an oscilloscope to see the digital signal coming from the sensor. You might not know if it's correct, but you could compare it to the new one to show the difference.

[@myRatchets]

Thats one way if you don't have a scanner with live data.

[@The_Redkween]

The pico-scope is more expensive than the scan tool

[@JamesFFHarris]

I have a 2004 ML350. I had to Replace ECM, AAM, BCM and Steering column, Key Module and key with used parts. It started but the ESp/ BAS, SRS are still on after I turned S Wheel both ways and I straighten S Wheel as best I can. QUESTION: Do I have to remove whole steering column to do straightening of Steering wheel if I am not sure whether I put It back on in the same position at the knuckle? (The lower part of steering column may not be where it was, Is that a problem?)

[@amrelshennawy5792]

Thanx alot and Will u Plz name of prog. Of wiring and how can I get its source and make future tutorials on how can use or navigate the program and what if we try measuring the signal via Hz multimeter ??

[@JonnyDIY]

2:14 👉👌😂💕🤦‍♂️ too funny. Great video for all kinds of diagnosing problems 👍

[@myRatchets]

glad you liked it.

[@juniorlopez6761]

How can I do this procedure on a 2014 Honda accord 2.4 L

[@lzh3131]

Do you need to check the new sensor calibration? This for a VOLVO XC90. Very good video, learned a lot. Watching your Yaw Sensor video next. Will subscribe👍👍👍

[@ep2653]

Is there a way to re calibrate a power steering torque sensor on a 06 chevy malibu without having to take it to the dealer?

[@burimlimani2694]

Great video. Would love to see someone diagnose in detail a "START ERROR" on the W163

[@kchilz32]

Start error is usually when the chip inside the key fob is a bit loose you have to open it up and get it to seat good

[@kchilz32]

About 95 percent of the time it’s the key fob chip. Don’t lose that. Some people will permanently glue that chip inside the steering wheel very close to the key ring sensor

[@roberth17]

Nicely done. Fast but accurate (I assume) and articulate.

[@Tranded-d2x]

I need videos for my 94 sn95 body that had a 2004 boss engine and Tran in it. Every part for the car has been for the 2004 year though.

[@mathewsmunthali3413]

I like what you do keep up the good work

[@Samp548]

Hi My bmw 1 series steering angle plausibility error code disappears with steering angle sensor calibration . But After driven few kilometers, again pop up same error code. Do you know the reason for that? Thanks

[@HARRUMPH-SAL]

2:05 Steering angle sensor or YT sensor?

[@ronyassa8512]

Can you show us how to do the fuel filter and fuel pressure regulator on this car?

[@leevang8021]

Thanks save me fortune.

[@Tranded-d2x]

Sorry 2004 was put into the sn95 mustang body. I got it after the fact.

[@pmgear]

I would like to see the shock absorber works, using your hands....

[@clarencedaledelaney4521]

Hola you are funny

[@MLove-777]

Thank you for your videos, they've been helpful. ✨🙏✨

[@myRatchets]

np, glad you found it useful.

[@ebloulou4203]

Love your videos thank you 2:14 😂😂

[@UccelloLibero86]

Thank you so much

[@CarlosContreras-gk9gp]

Amazing !

[@Tranded-d2x]

😂😂😂