Computers/Controls - DTC B200000 Information

45 DTC entry in Sensor Electronics (3B) "B200000 control unit faulty"

45 12 05

2027341/2

August 24, 2012.

Supersedes Technical Service Bulletin Group 45 number 11 - 04 dated August 18, 2011 for reasons listed below.





Affected Vehicles





Condition
The DTC entry "B200000 control unit faulty" is stored in address word 3B for Sensor Electronics.

Technical Background
When DTC entry "B200000 control unit faulty" is discovered in address word 3B during unrelated service work, it may be caused by a software glitch. See the Service section for case handling.

Production Solution
Not applicable.

Service
Scenario 1:

When the DTC is discovered during service work and all three conditions listed below are present, do not attempt a repair. The DTC entry is caused by a software glitch and can be ignored.

^ There is no related customer complaint.

^ The system is operating properly.

^ There is no warning message or MIL in the cluster which corresponds to the DTC.

^ With the three conditions listed above, do not attempt a repair.

Scenario 2:

When the DTC entry is accompanied by a customer complaint, system operation concern, cluster message, or MIL, proceed according to Guided Fault Finding.

Warranty
This TSB is informational only and not applicable to any Audi warranty.

Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.