LI27.60-P-058317

Transmission intermittently fails to shift, vehicle
jolts in higher gears. FC 92177 or 92100 is stored.
Topic number
LI27.60-P-058317
Version
1
Design group
27.60 Gearshift, control
Date
02-05-2014
Validity
Vehicles of model series 246, 176, 117 with automatic
transmission 7G-DCT
Reason for change
Reason for block
Complaint:
Transmission intermittently fails to shift, vehicle jolts in higher gears.
The dual clutch transmission (DKG) control unit contains the stored FC 92177 or 92100 - The shift valve of the internal shaft has a malfunction. The commanded position was not reached.
In the extended fault freeze frame data it can be seen that this fault was set in 7th gear - see Figure 1 in attachment.
Attachments
File
Designation
Bild 1.pdf
Figure 1German
Figure 1.pdf
Figure 1 English
Cause:
The stored values of 7th gear may have been taught in incorrectly.
Remedy:
New software is available with DVD 03/13. After flashing, perform normalization and adaptation of the gear actuator.
Then perform a test drive. You must shift through all the gears.
If this complaint is no longer reproducible, the vehicle can be returned to the customer.
For vehicles with model designations 246.242 and 246.243 produced prior to 09.2012 a software update will be made
available with DVD 09/13.
Symptoms
Power transmission / Automatic transmission / Automatic transmission - function / Shifts
Power transmission / Automatic transmission / Automatic transmission - function / Shudders
Power transmission / Automatic transmission / Automatic transmission - function / Shifting is not performed or is delayed
02-05-2014 3:45 AM
© Copyright Daimler AG
PARKEGL
Page 1/2
Control unit/fault code
Control unit
Fault code
DKG - Electronic transmission 092177
control for double-plate clutch
transmission (N15/13) (DCT)
Fault text
The shift valve of the inner shaft has a malfunction. The commanded position cannot be reached.
Work units
Op. no.
Operation text
Time
Damage
code
Note
54553 90
Transmission control unit - Update
software
Validity
Vehicle
Engine
Transmission
117.303
651.930
724
117.342
270
724.002
117.343
270
724.002
117.344
270
724.003
176.000
651
724.003
176.001
651
724.003
176.003
651
724.003
176.007
651
724.003
242.848
270
724.003
246.242
270
724.003
246.242
270
724.002
246.243
270
724.003
246.243
270
724.002
246.244
270
724.003
A (176)
270
724
B (242, 246)
651
724
02-05-2014 3:45 AM
© Copyright Daimler AG
PARKEGL
Page 2/2