Cd20.0 Diagnosis Error (12 01 00)

Publication date: 2000-01-01
Reference number: 12 01 00

CD20.0 DIAGNOSIS ERROR

TECHNICAL SERVICE BULLETIN

Reference Number(s): 12 01 00, Date of Issue: January, 2000

Model(s):	1995-on BMW E38 - 750iL & Protection with M73
Group:	Engine Electrical System

CD20.0 DIAGNOSIS ERROR

Model(s): 1995-on BMW E38 - 750iL & Protection with M73

Group: 12 - Engine Electrical System

Bulletin No.: 12 01 00

Date:

SITUATION

While attempting to diagnose the DME control module(s) the message "Data Transmission Disturbed" may be displayed at the control module identification page. If this is displayed, further diagnosis of the DME is not possible.

CORRECTION

Follow the procedure below to continue DME diagnostics.

PROCEDURE

Select "END" then "Terminate" to end diagnosis.
Select "Diagnosis".
Cycle the ignition off then on.
Select "E38", right arrow (->) then "OK"
Perform a "short test" on the DME only. Do not perform a complete short test for all modules.
Select ->, "function selection" then "Complete vehicle".
Select "Drive", "Engine" then "Digital Motor Electronics" (DME).
Select "Test Plan", "No" then ->.
Select "Expert Mode"
Select "Read Fault Memory". Continue with normal diagnosis.