A/C - Not Cooling/Compressor Doesn't Switch ON
SI B 64 06 07Heating and Air Conditioning
May 2008
Technical Service
This Service Information bulletin supersedes SI B64 06 07 dated June 2007.
[NEW] designates changes to this revision
SUBJECT
Air Conditioning Compressor Does Not Switch On
MODEL
E60, E61 (5 Series)
E63, E64 (6 Series)
Vehicles produced from February 28, 2007
SITUATION
The customer states that the air conditioning does not cool.
[NEW] IHKA (Integrated Heating and Air Conditioning) fault "9C6A compressor coupling" is stored.
CAUSE
Loose ground connection at compressor
PROCEDURE
Do not replace any parts.
[NEW] Check the ground cable connection on the compressor.
[NEW] If the ground connection is not loose, continue troubleshooting the fault stored in the system, using the diagnostic test plan.
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.
Disclaimer