NHTSA ID Number: 11003033
Manufacturer Communication Number: No. 24-23
TSB/Document Date: 2024-07-03
Summary
Symptom-based workshop manual for the power transmission - manual upshifting from first to second gear not possible: reprogram PDK control unit
Service
Symptom-based workshop manual
24/23
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3718
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Power Transmission Symptom - Manual Upshifting from First to Second Gear Not Possible:
Re-Program PDK Control Unit (SY 24/23)
Change overview
Release
Date
Change
1
03/30/2023
•
First publication
2
04/06/2023
•
Update of terminology (PDK)
3
06/25/2024
•
PDK data records for vehicles before CW 48/21 added
Vehicle Type:
911 Turbo (992) / Turbo S (992)
Model Year:
As of 2020 up to 2022
Equipment:
8-speed Porsche
Doppelkupplung (M No. G1G)
Concerns:
Porsche Doppelkupplung (PDK)
Symptom:
Customers complain that shifting from first to second gear via the shift paddles on the steering wheel in
manual shift mode (M mode) is not affected, or only after the accelerator pedal is released and the shift
paddles are activated again. The behavior occurs particularly when driving off with low load and early
upshifting. In automatic shifting mode (operating mode D), shifting occurs normally.
Cause:
Due to the previous PDK control unit software design, manual shifting from first to second gear may be
prevented after the vehicle is driven off if shifting is attempted before the PDK control unit has switched
internally from “Drive-off” mode to “Driving” mode due to low load.
This occurs when the vehicle is mainly operated in manual shifting mode. This behavior may potentially
affect vehicles manufactured before the implementation date of the modified PDK software specified
below.
Date of
Introduction:
Implementation date for modified PDK software
Vehicle type
PDK software part
number (new)
Software release (new)
Use from
911 Turbo (992)
992927110AA
0580
Week 36/2022 (North
America)
911 Turbo S (992)
992927109AB
0580
Week 36/2022 (North
America)
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Action:
ENU
Symptom-based workshop manual
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In the event of a customer complaint with vehicles that were manufactured before the aforementioned
deployment dates, re-program the PDK control unit using the PIWIS Tester and installed software release
42.700.040 (or higher).
The following PDK data records are programmed depending on vehicle type, production date
and exhaust emission standard:
Information
The software part number and software release of the programmed data record are based on the
specified PIWIS Tester test software release. Please note that this may be different in a later release.
Vehicle type
Exhaust
emission
standard
Model
year
2021 (M)
911 Turbo (992)
ULEV
2022 (N)
2022 (N)
2023 (P)
2021 (M)
911 Turbo S (992)
ULEV
2022 (N)
2022 (N)
2023 (P)
PDK software
part number
Software
release
Note
992927110AB
0583
until CW
48/21 (MY N
- IY1)
992927110AA
0580
from CW
48/21 (MY N
- IY2)
992927109AD
0583
until CW
48/21 (MY N
- IY1)
992927109AB
0580
from CW
48/21 (MY N
- IY2)
Required tools
Tools:
•
•
P90999 - PIWIS Tester 4 with PIWIS Tester test software release 42.700.040 (or higher) installed
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 - 90-A battery charger. For
further information about the battery chargers to be used, see the corresponding Workshop Manual.
Workshop Manual '270689 Charging battery and vehicle electrical system'
Preparatory work
NOTICE
Fault entry in the fault memory or control unit programming aborted, as the case may be, due to
under-voltage.
•
Increased current draw during diagnostics or control unit programming can cause a drop in voltage,
which can result in one or more fault entries and the abnormal termination of the programming process.
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Before starting work, connect a suitable battery charger with a current rating of at least 90 A to the
jump-start terminals.
NOTICE
Control unit programming will be aborted if the Wi-Fi connection is unstable.
•
An unstable Wi-Fi connection can interrupt communication between the PIWIS Tester II and the vehicle
communication module (VCI). As a result, programming may be aborted.
During control unit programming, always connect the PIWIS Tester to the vehicle communication module
(VCI) via the USB cable.
NOTICE
Control unit programming will be aborted if the driver's key is not recognized
•
If the driver's key is not recognized in the vehicle, programming cannot be started or will be interrupted.
Place the driver's key with the back facing down in front of the lock opening for the center console cover to
guarantee a permanent radio link between the vehicle and driver's key.
Work Procedure: 1
Carry out general preliminary work for control unit programming as described in Workshop
Manual '9X00IN Basic instructions and procedure for control unit programming - “Preliminary Work”
section'.
Re-program PDK control unit
Work
Procedure:
1
The basic work procedure to program a control unit is described in the Workshop Manual
Workshop Manual '9X00IN Basic instructions and procedure for control unit programming using the
PIWIS Tester - section on “Programming”'.
Specific information on control unit programming in the context of this Technical Information:
Required PIWIS Tester software release:
42.700.040 (or higher)
Type of control unit programming:
Control unit programming using the ‘Automatic
programming’ function of the PDK control unit.
‘PDK’ control unit – ‘Coding/programming’ menu
– ‘Automatic programming’ function.
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Symptom-based workshop manual
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Read and follow the information and instructions
on the PIWIS Tester during the guided
programming sequence.
During the programming sequence, the Porsche
Doppelkupplung (PDK) is re-programmed and
then automaticallyre-coded.
Programming sequence:
Do not interrupt the programming and coding
process.
Once the control units have been programmed and
coded, you will be prompted to switch the ignition off
and then back on again after a certain waiting time.
Backup documentation of the new software versions
is then performed.
Programming time (approx.):
Programming takes up to 15 minutes, depending
on equipment.
Procedure in the event of error messages
appearing during the programming
sequence:
Workshop Manual '9X00IN Basic instructions and
Procedure in the event of a termination in
the control unit programming:
Repeat control unit programming by restarting
programming.
procedure for control unit programming using the
PIWIS Tester - section on “Troubleshooting”'.
Follow-up actions
Work Procedure: 1
Carry out general reworking for control unit programming as described in Workshop Manual
'9X00IN Basic instructions and work procedure for control unit programming using the PIWIS Tester “Reworking” section'.
Labor position and PCSS encryption
Labor position:
I No.
APOS
Labor operation
37302599
Program transmission electronics control unit
PCSS encryption:
Location (FES5)
37180
Rocker switch
Damage type (SA4)
1127
does not switch
References:
Workshop Manual '9X00IN Basic instructions and procedure for control unit programming using the
PIWIS Tester'
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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.
© 2024 Porsche Cars North America, Inc.
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TSB/Document ID: No. 24-23
Replacement Service Bulletin Number:
MFR Communication Date: 2024-06-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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