Engine Controls - MIL ON/DTC's FC 83/FC 244 Stored
SI B12 07 02Engine Electrical
September 2002
Service Engineering
This Service Information bulletin supersedes S.I. B12 07 02 dated September 2002.
[NEW] designates changes to this revision
SUBJECT
Crankshaft Sensor Faults on M54 Engine
MODEL
E36/7, Z3 roadster 2.5/3.0; Z3 coupe 3.0 produced from 06/00 up to 01/01
E46; 325i, 325Ci, 325Cic, 325iT, 325xi, 325xiT, 330xi produced 08/00 up to 01/01
E46; 330i, 330Ci, 330Cic produced 06/00 up to 01/01
E39; 525i, 525iT, 530i produced from 09/00 up to 01/01
P53, X5 3.0 produced from 04/00 up to 01/01
SITUATION
The following fault codes may be stored in DMB fault memory:
^ FC 83 (53 hex) - "Crankshaft position sensor malfunction",
^ FC 244 (F4 hex) - "Segment timing faulty, flywheel adaptation
Also, the "Check Engine" light is illuminated and engine goes into fail-safe mode.
CAUSE
1. Internal failure of the crankshaft sensor.
2. Software error in DME programming.
CORRECTION
On a customer complaint basis only, replace the crankshaft position sensor and reprogram DME using DIS CD 30.0 or higher.
PROCEDURE
For crankshaft sensor replacement procedure refer to RA 12 14 521, found in BMW TIS.
To reprogram DME control module:
1. Connect vehicle to the BMW approved battery charger.
2. Connect DISplus/GT1 loaded with CD 30.0 or higher.
3. Select: BMW Coding/Programming
4. Select: 5 Programming, then right arrow
5. Select 3 DME Programming, then right arrow
6. [NEW] Display appears First determine and then program basic control unit, then right arrow
7. [NEW] Select 1 Determine basic control unit, then right arrow. Automatic determination is going to be performed.
8. [NEW] DME, is the faulty control unit still installed in the car?, select YES
9. [NEW] Start automatic determination?, select YES
10. [NEW] Display appears: Compare chassis number displayed with number in the car. Chassis number ..... Do numbers correspond? Select YES
11. [NEW] Part number basic control unit .... / .... are displayed, then scroll down
12. [NEW] Display appears: Followed part numbers (basic control unit) can likewise be used. A new program version is also programmed for these part numbers. Duration depends on control unit between 4-16 minutes, then scroll down
13. [NEW] At this point vehicle data is stored in the tester for the automatic identification. Disregard screen prompt which refers to obtaining and installing a new basic control unit, and scroll to the left
14. [NEW] Select: 2 Exchange control unit, then right arrow
15. [NEW] Select: 2 Program basic control module, then right arrow
16. [NEW] Follow instruction: Chassis number, enter the last 7 characters of VIN. Is the number correct? Select YES
17. Disregard the next instruction: Install new basic control module, just go forward by pressing right arrow
18. Display will appear: There is new program version and new data version for this control unit. Depending on the control unit, programming may last between 4-16 minutes. First programming and then data are programmed. After programming, with diagnosis program, the fault memories have to be cleared. EWS alignment is automatically carried-out with reprogramming. The adaptation values must be cleared after programming, then right arrow
19. The next screen displays: The control module can be programmed X times, then right arrow
20. Follow the command: Please enter reading mileage..... Entry correct?. Select: YES
21. Start automatic programming? Select: YES
22. When programming starts, the following message is displayed: MS43 Program programming active. Voltage terminal 30.....
23. After programming part is finished, the following message is displayed: MS43 data programming active. Voltage terminal 30.....
24. After successful programming, message is displayed: Programming completed.
25. Next, follow-up screen instructions for EWS alignment and for clearing of adaptation values.
PARTS INFORMATION
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.