A/T Controls - TCM Flashing Tip
Date: April 18, 2007Order No.: P-B-27.19/98
Group: 27
SUBJECT:
Model 209.356/372/375/456/472/475/477
Equipped with 722.9 transmission (7G-Tronic)
Flashing Process for Transmission Control Module Executed Incorrectly / Not at All
If you are experiencing difficulties flashing the transmission control module in the above model vehicles, the issue may be that the electronic ignition switch (EIS) erases CAN frames at high bus loads.
To resolve this issue on the following affected EIS part numbers, remove the fuses of the engine control unit (N10/1f48, N10/1f53, N10/f54) and ESP control unit (N10/1f56) from the front SAM control unit (N10/1) during the flashing procedure.
A209 545 11 08 A209 545 13 08
A209 545 12 08 A209 545 14 08