122-K5X7U-05

Service
Technical Information
26/18
ENU
3965
3
Spare Parts Requirements - Transfer Case/Transfer Case Control Unit: Note link between
transfer case and control unit software (26/18)
Model Line:
Macan
Model Year:
As of 2015 up to 2018
Subject:
Transfer case and transfer case control unit (all-wheel drive control unit)
Information:
Information
"Gas nitrocarburizing (GNC)" is now used to coat the clutch plates on the transfer case.
The software in the related transfer case control unit must be updated accordingly.
 A mixed installation – transfer case with GNC plates and control unit software with an old
data version or vice versa – is not permitted.
Likewise, a cross installation (with another vehicle) is not permitted.
In the event of a customer complaint about the symptom or generally, if the transfer case
or the related transfer case control unit needs to be replaced, the following information and
special points must always be observed.
The relevant procedure must be followed, depending on which components need to be replaced.
Date of
Introduction:
From March 2018, the new transfer case with GNC-coated plates is installed during production.
Tools:
•
•
9900 - PIWIS Tester 3 with software version 37.200.020 (or higher) installed
Battery Charger/Power Supply - Suitable for AGM Type batteries, recommended current rating of
90A fixed voltage 13.5V to 14.5V
Differentiation:
Transfer case
Transfer case
without GNC (old)
with GNC – NEW –
Display in the PIWIS Tester:
 Porsche Part No. of
control unit
•
95B.927.755.BJ
95B.927.755.CB
after commissioning:
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Technical Information
26/18
Display in the PIWIS Tester:
 Software version of
control unit
•
1204
1360
95B.927.755.B
95B.927.755.C
95B.927.755.BJ
95B.927.755.CB
95B.341.010
95B.341.010.A
after commissioning
Display in the PIWIS Tester:
 Porsche hardware Part
No. of control unit
•
before commissioning
Display in the PIWIS Tester:
 Porsche hardware Part
No. of control unit
•
after commissioning
- Sticker on transfer case
( Sticker with part number)
- lasered on the underside
Display in the PIWIS Tester:
 PR number* in the vehicle
order
– without –
LU2 –
Transfer gear reinforced
(Additional menu)
Porsche Spare Parts Catalog
(PET2)
95B.341.010
95B.341.010.A
Information
* PR number:
Apr 17, 2018
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•
The PR number can be read out using PIWIS Tester 3: In the 'Control unit overview'  •F7“ - Additional menu  Maintenance of vehicle data
•
The PR number is written automatically during commissioning of the new control unit.
•
This is already written during production for vehicles produced from calendar week 12/2018.
•
The relevant software is programmed using the PIWIS Tester based on the PR number.
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Technical Information
26/18
ENU
3965
3
Sticker with part number
Variant 1:
Replacing transfer case and transfer case control unit (together,  Transfer case with control unit).
The relevant transfer case control unit is already fitted on a new transfer case. PIWIS Tester 3 selects
the correct data record and sets the PR number LU2 automatically.
Transfer case with control unit
1
Preliminary work:
1.1
Connect a battery charger with a current rating of at least 90 A.
1.2
Switch on the ignition.
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Technical Information
26/18
1.3
9900 - PIWIS Tester 3 with software version 37.200.020 (or higher) installed must be
connected to the vehicle communication module (VCI) via the USB cable. Then, connect the
communication module to the vehicle and switch on the PIWIS Tester.
1.4
On the PIWIS Tester start screen, call up the  'Diagnostics' menu.
The diagnostic application is then started and the control unit selection screen is populated.
2
2.1
Read out the existing type of transfer case:
Control units
’Overview’
All-wheel drive control
unit
Extended
identification
select
•F12“
Read out the Porsche part number:
•
•
has the index "Cx" (for transfer
case with GNC plates)
has the index "Bx" (for transfer case
without GNC plates)
3.
Or: Read out existing type:
Another identifying feature for transfer case with GNC plates.
3.1
Control units
’Overview’
3.2
Gateway control unit
select
•F7“
Maintenance of vehicle data
select
•F12“
3.3
‘Coding
programming’
select
•F12“
3.4
Checking vehicle data
continue
•F12“
Select equipment
continue
•F12“
PR numbers – check for PR 'LU2'*
continue
•F12“
PR numbers – check for PR 'LU2'*
continue
•F12“
Automatic coding
* Check whether the PR number 'LU2' is entered as an identifying
feature for an existing hang-on transfer gear with GNC plates.
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4.
Replace transfer case control unit (all-wheel drive) including
transfer case:
4.1
Control units
’Overview’
All-wheel drive control
unit
select
•F12“
4.2
'Maintenance/
repairs'
Replacement work on
the transfer case
select
•F12“
4.3
Control unit replacement including transfer
case
select
•F12“
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Service
Technical Information
4.4
26/18
•
•
•
•
4.5
Variant 2:
3965
3
Control unit replacement including transfer case:
This procedure is used for replacing the control unit including transfer
case.
The following steps are performed:
3
ENU
Writing vehicle identification number (VIN)
Automatic programming
Automatic coding
Erasing fault memories
'Start' function
•F12“
•F8“
Subsequent work:
3.1
Switch off the ignition.
3.2
Disconnect the PIWIS Tester from the vehicle.
3.3
Switch off and disconnect the battery charger.
Replacing only the transfer case control unit:
1
Preliminary work:
1.1
Connect a battery charger with a current rating of at least 90 A.
1.2
Switch on the ignition.
1.3
9900 - PIWIS Tester 3 with software version 37.200.020 (or higher) installed must be
connected to the vehicle communication module (VCI) via the USB cable. Then, connect the
communication module to the vehicle and switch on the PIWIS Tester.
1.4
On the PIWIS Tester start screen, call up the  'Diagnostics' menu.
The diagnostic application is then started and the control unit selection screen is populated.
2
2.1
Read out the existing type of transfer case:
Control units
’Overview’
All-wheel drive control
unit
Extended
identification
•F12“
Read out the Porsche part number:
•
•
3.
select
has the index "Cx" (for transfer
gear with GNC plates)
has the index "Bx" (for transfer gear
without GNC plates)
Or: Read out existing type:
Another identifying feature for transfer case with GNC plates.
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Technical Information
26/18
3.1
Control units
’Overview’
3.2
Gateway control unit
select
•F7“
Maintenance of vehicle data
select
•F12“
3.3
‘Coding
programming’
select
•F12“
3.4
Checking vehicle data
continue
•F12“
Select equipment
continue
•F12“
PR numbers – check for PR 'LU2'*
continue
•F12“
PR numbers – check for PR 'LU2'*
continue
•F12“
Automatic coding
* Check whether the PR number 'LU2' is entered as an identifying
feature for an existing transfer case with GNC plates.
4.
Replace transfer case control unit (all-wheel drive):
4.1
Control units
’Overview’
All-wheel drive control
unit
select
•F12“
4.2
'Maintenance/
repairs'
Replacement work on
the transfer case
select
•F12“
4.3
Control unit replacement
select
•F12“
4.4
Control unit replacement:
The procedure is used for replacing the control unit. In this case, the "old"
transfer case remains installed.
The following steps are then performed:
•
•
•
•
•
•
4.5
5
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Reading data
Replacing control unit
Writing data
Automatic programming
Automatic coding
Erasing fault memories
'Start' function
•F12“
•F8“
Subsequent work:
5.1
Switch off the ignition.
5.2
Disconnect the PIWIS Tester from the vehicle.
5.3
Switch off and disconnect the battery charger.
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Technical Information
Variant 3:
26/18
ENU
3965
3
Replacing Porsche Doppelkupplung (PDK) together with the transfer case:
Part number on the new (replacement/reconditioned) transfer case (sticker with part number  Sticker
with part number -Index-) must be checked:
Sticker with part number
•
a) Part number of the new transfer case does not correspond to the new type  Part
number ends with 010 and has no index (no letter, e.g. "A")
 The transfer case on the new PDK must be replaced by a transfer case with the new part
number (with index letter).
•
b) Part number of the new transfer case corresponds to the new type  Part number has index
letter ("A")
 The transfer case can remain on the new PDK and can be installed in the vehicle.
Parts Info:
Porsche Doppelkupplung (PDK):
Vehicle type:
Part No. of 'Porsche Doppelkupplung (PDK)':
Macan Turbo
9A7.300.040.PX.000  Porsche Doppelkupplung (PDK)
Macan S
9A7.300.040.QX.000  Porsche Doppelkupplung (PDK)
Macan GTS
9A7.300.040.RX.000  Porsche Doppelkupplung (PDK)
Macan Basis R4 (185 kW)
9A7.300.040.SX.000  Porsche Doppelkupplung (PDK)
Macan Turbo Performance
9A7.300.040.TX.000  Porsche Doppelkupplung (PDK)
Macan Basis R4 (174 kW)
9A7.300.041._X.000  Porsche Doppelkupplung (PDK)
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Technical Information
26/18
Invoicing:
The work involved is invoiced under the labor operation:
APOS
Labor operation
39135550
Replacing transfer case control unit
39655550
Replacing transfer case
I No.
For invoicing and documentation using PQIS, enter the following coding:
Location (FES5)
39650
Transfer case
Damage type (SA4)
1313
vibrating, shaking
References:
 Workshop Manual '396555 Replacing transfer gear'
 Workshop Manual '391355 Replacing transfer gear control unit (with integrated servo motor)'
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2018 Porsche Cars North America, Inc.
Apr 17, 2018
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