Service Action 142 - DME M5.2 Control Modules (12 04 95 (4231))

SERVICE ACTION 142 - DME M5.2 CONTROL MODULES

SERVICE CAMPAIGN BULLETIN

SUBJECT

DME M5.2 Control Modules

SITUATION

A processing error in the DME control module can lead to the erroneous setting of the following:

• "Check Engine" light is illuminated.
• Fault code 111 engine speed/reference sensor is set in the DME control module.

VEHICLES AFFECTED

In order to determine if a specific vehicle is affected by this Service Action, it will be necessary to utilize the "Service Menu" of the DCS (Dealer Communications System). Based on the response of the system, either proceed with the corrective action or take no further action.

The Chassis Numbers listed below are only for informational purposes and are not to be considered as the only deciding factor.

1. 850Ci
   CD05001, CD05013, CD05014, CD05015, CD05016, CD05017, CD05018, CD05020, CD05023, CD05024, CD05025, DH66031, DH66032, DH66035, DH66045, DH66048, DH66049, DH66057, DH66062, DH66273
2. 750iL
   DH66005, DH66011, DH66012, DH66019, DH66020, DH66022, DH66023, DH66025, DH66026, DH66027, DH66030, DH66102, DH66103, DH66104, DH66111, DH66216, DH66232, DH66233, DH66235, DH66063, DH66066, DH66079, DH66080, DH66081, DH66084, DH66086, DH66089, DH66090, DH66097, DH66098, DH66258, DH66266, DH66267, DH66268, DH66269, DH66270, DH66271, DH66272, DH66236, DH66238, DH66240, DH66241, DH66248, DH66249, DH66250, DH66251, DH66253, DH66255, DH66257

CORRECTION

Replace both DME control modules on the vehicles listed if the DME identification screen of the DIS displays 1744697 as the "Master control unit:" number.

PROCEDURE

1. Connect the DIS to the affected vehicle.
2. Check the DME identification screen for both control modules using the ModiC or DIS. If the "Master control unit:" number is:
   1. 1744697 - Replace both DME control modules
   2. 1427684 - DME control module has been replaced
3. If the control modules have been replaced, attach the Service Action label and close the Service Action.
4. If the DME control modules are replaced they must be synchronized/aligned with the EWS II system as follows:
   1. 4.1.1)  Verify that the new MoDiC cable P/N 81 12 9 428 912, with pin 17 is installed on the MoDiC.
   2. 4.1.2)  Connect the MoDiC with programming software disk A B V5.1 or higher loaded.
   Fig 1: MoDiC
   
   3. 4.1.3)  Select: "Programming".
   4. 4.1.4)  "Enter date: DD MM YY" _ _ _ _ _ _ "Date correct? Y/N".
   5. 4.1.5)  Select: "3. DME Programming"
   6. 4.1.6)  Select: "4. Adjustment EWS-DME (Vehicles from 1/95)"
   7. 4.1.7) 
      1. "Adjustment"
      2. "Switch on Ignition!"
      3. "Start adjustment EWS-DME? Y/N"
      4. Select Y
   8. 4.1.8) 
      1. "Adjustment"
      2. "EWS"
      3. "Adjustment EWS-DME active!"
      4. "***Please wait***"
   9. 4.1.9)  Disconnect MoDiC once "adjustment" is complete.
   10. 4.1.10)  Start engine to confirm proper operation.

PARTS INFORMATION

Model	Quantity	Part Number
750iLA	2	12 14 1 429 109
>850CiA	2	12 14 1 429 104

Please send all replaced control modules to the Warranty Parts Return Center in Montvale, New Jersey,

1. Attention: Service Engineering.

SERVICE ACTION LABEL INSTRUCTIONS

This Service Action is assigned code number 142. After the vehicle is checked, and corrected if necessary, obtain a label (SD 92-050) and:

1. Emboss your BMW dealer warranty number in the middle of the label (1).
2. Punch out code number 142 Printed on the label (2).
3. Affix the label to the B pillar as shown in Fig 2 .

If the vehicle already has a label from a previous Service Action/Recall Campaign, affix the label next to the old one. Do not affix one label on top of another one because a number from an underlying label could appear in the punched-out hole of the new label.

WARRANTY INFORMATION

Covered under the terms of the applicable BMW Emissions Warranty.

Special Defect Code:  00 12 01 62 00