ABS/TCS - Various SZL Fault Codes Stored in Memory
SI B 34 04 06Brakes
April 2007
Technical Service
This Service Information bulletin supersedes S.I. B34 04 06 dated August 2006.
[NEW] designates changes to this revision
SUBJECT
DSC Warning - Various SZL FCs Stored
MODEL
E90, E91 (3 Series)
Vehicles produced up to [NEW] May 31, 2006
SITUATION
The DSC warning shows in the Instrument Cluster. An amber "BRAKE" warning may also be displayed.
Some or all of the following SZL (Steering Column Switch Sensor) fault codes are stored:
^ 5E43 - LWS (Steering Angle Sensor) internal fault.
^ 94B4 - F-CAN LWS sensor failure
^ 94B5 - F-CAN LWS sensor failure
^ 94B6 - F-CAN LWS sensor failure
CAUSE
Faulty LWS
^ Contamination of internal optic element - optic element material changed May 31, 2006.
[NEW] PROCEDURE
Perform diagnostics and work through any relevant test plans.
Replace the SZL - refer to repair instructions:
61 31 006 - Removing and Installing (Replacing) Fixture for Steering Column Stalk.
61 31 011 - Removing and Installing/Replacing Volute Spring Cassette.
Note that the slip ring must be transferred from the faulty part to the replacement part.
PARTS INFORMATION
Part Number Description Quantity
Refer to EPC SZL 1
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.
Defect Code: Refer to KSD
Labor Operation: Refer to KSD
Labor Allowance: Refer to KSD
Disclaimer