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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sun, Jul-22-2012, 05:16:40 PM   #31
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Default Re: Yellow DSC + Yellow TPMS Light

So I looked for the parts I fished out of the car.

There are two sensors. According to the TIS, one is the yaw rate sensor (under the seat) and the other is the transverse acceleration sensor (bottom of the A pillar)

Ok, so the part I replaced which I thought was the Yaw rate sensor is PN 37146781405. This is located under the A pillar, so according to the TIS it's the transverse acceleration sensor.
In RealOEM it's the part labelled 11, which they call 'acceleration sensor'
http://realoem.com/bmw/showparts.do?...34&fg=20&hl=21

The part that's under the seat is PN 34526754289.
In the previous RealOEM link, this is the part labelled 19.


So, from what you're all saying, I have to replace the one under the seat. I can buy a used one easily, but would that work? Does it have to be recoded to the car? Does it not matter?

I appreciate all the help guys, keep it coming!
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Old Mon, Jul-23-2012, 03:43:41 AM   #32
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Originally Posted by SYT_Shadow View Post
So I looked for the parts I fished out of the car.

There are two sensors. According to the TIS, one is the yaw rate sensor (under the seat) and the other is the transverse acceleration sensor (bottom of the A pillar)

Ok, so the part I replaced which I thought was the Yaw rate sensor is PN 37146781405. This is located under the A pillar, so according to the TIS it's the transverse acceleration sensor.
In RealOEM it's the part labelled 11, which they call 'acceleration sensor'
http://realoem.com/bmw/showparts.do?...34&fg=20&hl=21

The part that's under the seat is PN 34526754289.
In the previous RealOEM link, this is the part labelled 19.


So, from what you're all saying, I have to replace the one under the seat. I can buy a used one easily, but would that work? Does it have to be recoded to the car? Does it not matter?

I appreciate all the help guys, keep it coming!
If your fault is for the yaw sensor and you have check everything else as in power, ground and signals to the sensor and dsc module.

Make sure you don't have any other related faults before you go buying an expensive part.

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Old Mon, Jul-23-2012, 04:19:20 AM   #33
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Default Re: Yellow DSC + Yellow TPMS Light

Had the same issues as OP. Yellow DSC + Yellow TPMS light....

it's been consistently 100F + the past week. And after hard driving, these lights suddenly came on.... been plagued by the both of these lights for most of that day, then latter that evening.... gone when I started my vehicle.... they have not appeared since...

Food for thought.... would under driving the alternator pulley cause faulty voltages across some sensors and trigger these lights? I've installed TMS pulleys a couple of months ago and this is the first time I've pushed the car in the this awful heat. I'm wanting to lean towards wheel speed sensor, etc. as noted in this thread, but wanted to know if my explanation is a plausible reason for those lights. Thanks
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Old Mon, Jul-23-2012, 11:41:58 AM   #34
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Default Re: Yellow DSC + Yellow TPMS Light

Quote:
Originally Posted by itsme View Post
If your fault is for the yaw sensor and you have check everything else as in power, ground and signals to the sensor and dsc module.

Make sure you don't have any other related faults before you go buying an expensive part.

Sent from my DROID4 using Tapatalk 2
Ok, I'll wait for the shop to check signals before continuing.

I don't get why the Autologic gives a 'Rotation rate sensor' which the shop calls the yaw sensor yet the DSC part list which I linked above doesn't mention this part.

I'll update once I have more information

Thank you
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Old Thu, Jul-26-2012, 08:07:24 AM   #35
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Default Re: Yellow DSC + Yellow TPMS Light

Just started getting the same symptoms. Diagnostic tomorrow.
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Old Thu, Aug-09-2012, 06:07:43 AM   #36
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Default Re: Yellow DSC + Yellow TPMS Light

Ive had the same issues as you stated to begin this thread. DSC light on, Tire pressure light on and brake will lock and eventually let up and let me drive without traction control. I read the codes today and this came out:

Speed sensor signal interference #76

I had my codes read about 8 months ago for another issue and BMW was charging me to change the Speed sensor which is the yaw sensor really and also to change the transverse sensor. Idk which Speed sensor is it?? the one under my seat or the ones that go on the wheels? Where are the ones on the wheels located might try cleaning them to see if it does the trick.
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Old Thu, Aug-09-2012, 01:27:56 PM   #37
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Default Re: Yellow DSC + Yellow TPMS Light

Quote:
Originally Posted by bbphaze024 View Post
Ive had the same issues as you stated to begin this thread. DSC light on, Tire pressure light on and brake will lock and eventually let up and let me drive without traction control. I read the codes today and this came out:

Speed sensor signal interference #76

I had my codes read about 8 months ago for another issue and BMW was charging me to change the Speed sensor which is the yaw sensor really and also to change the transverse sensor. Idk which Speed sensor is it?? the one under my seat or the ones that go on the wheels? Where are the ones on the wheels located might try cleaning them to see if it does the trick.
Hi,

Yes, speed sensor=yaw sensor and it's under the front seat.

Transversal sensor is right by where you open the hood/OBDII port. It's on the bottom of that A pillar.

The speed sensor is expensive, the yaw sensor is cheap.

Good luck!

The ones on the wheels get plugged in to the rear of the part that the discs screw onto. Remove the tire and look behind the wheel, you'll see it. These are hall effect sensors so it shouldn't be possible to 'fix' by cleaning them
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Old Sat, Oct-13-2012, 12:35:14 AM   #38
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Default Re: Yellow DSC + Yellow TPMS Light

Hello Fellow Forum Members,

Base on my searches this is similar to what I'm experiencing as well. I noticed it started to occur after I painted my stock calipers black.

So the fix is to identify/replace the speed sensor aka(yaw sensor) - under the front seat and/or Identify/replace the Transversal sensor (by the hood/OBDII port) correct?

Is the only way to know which part is failing is to have the codes read?

2001 M3
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Old Sat, Oct-13-2012, 03:30:02 AM   #39
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Default Re: Yellow DSC + Yellow TPMS Light

I have bad news

BMW has issued a urgent DCS message about the speed sensor. It's currently on backorder at least until December!

I can't believe I'm going to be driving my M in winter with no DSC!!!
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Old Sat, Oct-13-2012, 05:09:44 AM   #40
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I have bad news

BMW has issued a urgent DCS message about the speed sensor. It's currently on backorder at least until December!

I can't believe I'm going to be driving my M in winter with no DSC!!!
I can get it for you in within 2 weeks tops. I'll give the call tomorrow. PM me so I don't forget.

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Discussing Yellow DSC + Yellow TPMS Light in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)