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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, Oct-14-2018, 02:20:29 AM   #1
M3AZ
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Question ABS, DSC, Brake lights on - Opinions after INPA

The ABS, DSC, and brake lights are illuminated in my dash. INPA returned an error code of 5DF0 (screenshot attached), which is for the hydraulic pump portion of the DSC unit.

There are no other error codes. Is it safe to assume that the wheels sensors, DSC control module, and other parts of the system are ok since there are no codes showing up in INPA? My intent is to replace just the pump since it would avoid avoid having to recode the entire DSC unit to the vehicle.

Also, my right front brake caliper is dragging. Could that be caused by the faulty pump?


IMG_2753.jpg



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Old Sun, Oct-14-2018, 02:22:06 AM   #2
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Default Re: ABS, DSC, Brake lights on - Opinions after INPA

That code is unrelated to the lights on. I was literally just dealing with all this. Is your steering wheel straight? Could be angle sensor?
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Old Sun, Oct-14-2018, 02:23:23 AM   #3
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Default Re: ABS, DSC, Brake lights on - Opinions after INPA

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Originally Posted by Joshe46 View Post
That code is unrelated to the lights on. I was literally just dealing with all this. Is your steering wheel straight? Could be angle sensor?
I checked the angle sensor in INPA. No fault codes. When I plug in a regular OBD code reader the only fault is this one.
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Old Sun, Oct-14-2018, 02:24:28 AM   #4
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Default Re: ABS, DSC, Brake lights on - Opinions after INPA

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Originally Posted by M3AZ View Post
I checked the angle sensor in INPA. No fault codes. When I plug in a regular OBD code reader the only fault is this one.


Angle sensor wasn’t throwing my codes. I had to read the abs codes and it came up. Either way if your steering wheel is straight its not your issue.
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Old Sun, Oct-14-2018, 02:30:04 AM   #5
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Default Re: ABS, DSC, Brake lights on - Opinions after INPA

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Angle sensor wasn’t throwing my codes. I had to read the abs codes and it came up. Either way if your steering wheel is straight its not your issue.
By straight you mean the steering angle sensor is calibrated right? Not that the steering wheel is straight when I run INPA.

This is what my dash looks like right now. The check engine light came on a few days later, probably because I removed the SAP.

I heard that this could be caused by low system voltage. It's between 13.98 and 14.04 depending on where I measure, so that doesn't seem to be the issue.

IMG_2756.jpeg
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Old Sun, Oct-14-2018, 07:34:35 AM   #6
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Default Re: ABS, DSC, Brake lights on - Opinions after INPA

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Originally Posted by M3AZ View Post
By straight you mean the steering angle sensor is calibrated right? Not that the steering wheel is straight when I run INPA.

This is what my dash looks like right now. The check engine light came on a few days later, probably because I removed the SAP.

I heard that this could be caused by low system voltage. It's between 13.98 and 14.04 depending on where I measure, so that doesn't seem to be the issue.

Attachment 212405


No, by straight I mean when you’re driving in a straight line is your steering wheel straight?
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Old Sun, Oct-14-2018, 02:32:31 PM   #7
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Default Re: ABS, DSC, Brake lights on - Opinions after INPA

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Originally Posted by Joshe46 View Post
That code is unrelated to the lights on. I was literally just dealing with all this. Is your steering wheel straight? Could be angle sensor?
What? No it's not. It's literally saying the ABS pump failed.
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Old Sun, Oct-14-2018, 08:21:12 PM   #8
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Default Re: ABS, DSC, Brake lights on - Opinions after INPA

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What? No it's not. It's literally saying the ABS pump failed.


Ohhh ohhh. Oops. I thought that was an smg pump error code. I just glanced.
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Old Mon, Oct-15-2018, 01:09:45 AM   #9
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Default Re: ABS, DSC, Brake lights on - Opinions after INPA

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What? No it's not. It's literally saying the ABS pump failed.
i had this same code in the MK60 wagon I picked up last month. i had to replace the DSC module with a used one I found locally.
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Discussing ABS, DSC, Brake lights on - Opinions after INPA 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)