A/T - Failsafe Mode/EGS Fault Code CF33 Stored

SI B 24 10 07
Automatic Transmission

May 2008
Technical Service

This Service Information bulletin supersedes SI B24 10 07 dated April 2007.

[NEW] designates changes to this revision

SUBJECT
The Transmission is in "Failsafe" mode with EGS Fault CF33 Stored

MODEL
E70 from SOP to 8/2007
E60, E61 produced 2/2007 to 8/2007
E90, E91, E92, E93 produced from 8/2006 to 8/2007
All with either the ZF 6HP19TU or 6HP26TU automatic transmissions

SITUATION
[NEW]After control module replacement, complete vehicle reprogramming, or after clearing DME adaptation values, the transmission is in "failsafe" mode with fault code CF33 (No message from engine management stored in the EGS module). The fault entry cannot be cleared.

CAUSE
EGS software application

CORRECTION
Do not replace any parts.

Using DIS 49.0 and higher run a "Short test" and Perform the following test module:

Reset learning functions / S2460_GSLFR_TU - available using the following diagnostic path:

Service Functions / Transmission Control / Calibrations / Reset leaning functions

Afterwards turn the ignition off / lock vehicle / let vehicle enter sleep mode

It is now possible to clear the fault.

This problem is planned to be corrected with August 2007 and later production vehicles equipped with these ZF transmissions.

WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.

Defect Code: Refer to KSD
Labor Operation: Refer to KSD
Labor Allowance: Refer to KSD





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