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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > Christmas tree of lights. 4x4/DSC



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      10-06-2020, 12:34 AM   #1
e91-330xi
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Christmas tree of lights. 4x4/DSC

Hello all, after i started up my 2006 e91 330xi this morning i got the dreaded 4x4/dsc christmas tree.

I had not done any aggressive driving before these came on.
I cleared the codes bit they came back straight away.

These are the code i pulled.


VGSG
54C6 Oil Wear (old one)
55C3 AWD limp-home control activated. No dsc specified nominal torque.
55C6 Message (wheel speed 0xCE) error. Reciver VTG, transmitter DSC.

LDM/ICM
62D6 Interface
D023 Message faulty (wheel circumferential velocity,0xCE) Reciver LDM, transmitter DSC.

DSC

5E24 Wheel speed, supply, front left.


My guess after reading the codes is that its the 5E24 thats activating the other codes, but maybe someone else have any ideas?
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      10-06-2020, 07:12 AM   #2
relative4
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Yep, check that sensor.
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      10-06-2020, 08:58 AM   #3
MikeP335i
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Agreed, probably sensor. Just went through this a few months ago. Sometimes some rust will develop and swell the ring around the half shaft that the sensor reads. It will actually chew up the sensor. I had to replace my front left half shaft and sensor to fix this. Some people get away with shimming it, but wouldn't recommend that as a permanent fix.
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      10-21-2020, 12:40 PM   #4
Hayk90
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54C6 Oil Wear - ignore. It’s a fluid change reminder that can be reset with INPA or ISTA.

55C3 Limp Home mode - I get that code every time my battery is disconnected or the voltage drops too low. It goes away after turning the wheel left to right and deleting the code.
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      12-17-2020, 08:19 PM   #5
vrizzotti
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Quote:
Originally Posted by Hayk90 View Post
54C6 Oil Wear - ignore. It’s a fluid change reminder that can be reset with INPA or ISTA.

55C3 Limp Home mode - I get that code every time my battery is disconnected or the voltage drops too low. It goes away after turning the wheel left to right and deleting the code.
Mine started doing this today. RWD currently, brake, abs, traction lights and 4x4.

5F3A code
5463 code.

While driving I hear a clicking underneath me (obviously transfer case area)

Have a spare actuator we’re going to try tomorrow, but anyone know if there’s a sound a bad t-case will give? Just hoping mines not gone lol will know once actuator is pulled tomorrow I guess.
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