NHTSA ID Number: 10204095
Manufacturer Communication Number: No. 106-21-1
TSB/Document Date: 2021-12-07
Summary
Information for recall campaign AMB5: re-programing power electronics.
Information
The relevant timestamps of the process logged are displayed on the Tester.
6.5
Attach the work logs you have just created to the quality line.
7
End operational readiness (switch off ignition).
8
Disconnect the PIWIS Tester from the vehicle.
Information
Connect the PIWIS Tester to a network as soon as possible and log into the PPN in order to transfer
the backup documentation created during this campaign to the PAG systems.
9
Switch off and disconnect the battery charger.
– End of action required –
For warranty processing, see Scope 5 under Technical Information '9X00IN Warranty
processing'
Warranty processing
Information
The specified working time was determined specifically for carrying out this campaign and includes all
necessary preliminary and subsequent work.
The working time may differ from the working times published in the Labor Operation List in the PCSS.
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AfterSales
Service
Technical Information
106/21 ENU
AMB5
9
Information
Information on the working time:
Generally, the working time includes all work that requires the active participation of the service technician.
This also covers all required preliminary work and subsequent work.
The working time includes the following activities during control unit programming:
•
All required steps for starting or finishing programming
•
Required interaction during a programming sequence
•
Waiting times until programming starts
•
Random check of programming status
If no further interaction by the service technician is required once control unit programming has started
because programming is performed automatically, there is no need for the service technician to remain
at the vehicle for the entire programming time.
These waiting times are not included in the working time if the total programming time is more than 15
minutes.
If programming takes up to 15 minutes, the full waiting time is included in the working time.
Scope 1-3:
Not relevant for this model year
Scope 4:
Re-programming power electronics and engine electronics
Working time:
Re-programming power electronics and engine electronics
Includes:
Connecting and disconnecting battery charger
Connecting and disconnecting PIWIS Tester
Reprogramming various control units to software version
VR12.1.1
Standardising doors and power windows
Coding loudspeaker booster and inductive charger for
mobile devices
Retracting rear spoiler manually
Teaching Tire Pressure Management system (TPM)
Reading out and erasing fault memories
Creating vehicle analysis logs (VALs) before and after the
campaign
Creating working logs and attaching to the quality line
Labor time: 248 TU
Damage Code AMB5 099 000 1
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Nov 29, 2021
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9
Service
AMB5
Scope 5:
ENU
Technical Information
106/21
Re-programming power electronics
Working time:
Labor time: 110 TU
Re-programming power electronics and engine electronics (DME)
Includes:
Connecting and disconnecting battery charger
Connecting and disconnecting PIWIS Tester
Retracting rear spoiler manually
Reading out and erasing fault memories
Creating vehicle analysis logs (VALs) before and after the
campaign
Creating working logs and attaching them to the quality line
Damage Code AMB5 099 000 1
Overview of control units for software version VR12.1.1
Overview:
Overview of control units for software version VR12.1.1
Control unit
Programming
time
Sequence 1: Combined software update for various
control units (update via PIWIS Tester)
approx. 100
minutes
Includes:
• Distance measuring sensor control unit (ACC)
• Front-end electronics (BCM1) control unit
• Rear-end electronics (BCM 2) control unit
• Radar sensor for front corner radar, left and
right
• Lane Change Assist, left and right
• Central assistance systems (zFAS)
• Airbag control unit
• Reversing camera
Sequence 2: Combined software update for various
control units (update via PIWIS Tester)
Includes:
• High-voltage charger (OBC) 11 kW/22 kW
• High-voltage battery
control unit (BMCe)
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AfterSales
approx. 70
minutes
Action required
program
code
Service
Technical Information
106/21 ENU
AMB5
9
• High-voltage DC charger (booster)
• HV voltage converter
• Control unit for chassis control (PASM)
• Power steering control unit (EPS)
• Brake electronics (PSM) control unit
• Control unit for steering column adjustment
• Control unit for rear axle steering
• Rear lid control unit
• Air conditioning control unit
• Rear-differential lock control unit
• Thermal management control unit (TME)
• Electric passenger compartment heater (PTC)
• Gateway control unit
• Head-up display
• Instrument cluster
• Over-the-air (OTA) control unit
• OTA software partition
• Engine electronics (DME) control unit
• Power electronics, front and rear
• Roll stabilization control unit (PDCC)
• Headlights, left and right
Sequence 3: Combined software update for various
control units (update via PIWIS Tester)
approx. 30
minutes
Includes:
• Multifunction steering wheel
• Seat adjustment control unit, front
• Additional instrument control unit (stopwatch)
• Door control unit, front and rear
• Control unit for exterior acoustics (eSound)
• Control unit for interior acoustics (eSound)
• Display and operator control unit in rear center
console
• Connect control unit
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AMB5
ENU
Technical Information
106/21
• Brake booster control unit (eBKV)
• Night vision system control unit
• Control unit for Tire Pressure Monitoring (TPM)
• Control unit for rear spoiler
• Inductive charger for mobile devices
Sequence 4: Combined software update for various
control units (update via PIWIS Tester and USB
storage medium)
approx. 50
minutes
Includes:
• Central computer (PCM)
• Loudspeaker booster
• Front display and operator control unit
Overview of new features implemented by the software updates
Overview:
Function
Description
Charging
•
•
•
Chassis and driving comfort
•
•
•
Digital cockpit display
(instrument cluster)
•
•
•
Porsche Communication
Management (PCM)
•
•
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At-home charging is improved. Stability during charging is
improved and the timer charging function is further optimized.
Home charging with third-party charging equipment is improved.
Discharge of the 12-volt vehicle electrical system battery during
charging is prevented.
Calculation of the state of charge (SoC) of the high-voltage
battery is further optimized. Incorrect calculation of the state
of charge is avoided.
Starting comfort is further optimized.
Traffic sign recognition at double the time-dependent speed
limits is further improved.
Any personalized settings are retained, even after a bus idle and
account change.
The starting behavior and performance of the instrument cluster
are further improved.
Sporadic loading spinners and resets are avoided.
Various software optimizations prevent the sporadic display of
different error messages.
The functionality of the navigation system is optimized and
system stability is improved.
The starting behavior and performance of the central display are
improved.
AfterSales
Service
Technical Information
106/21 ENU
AMB5
9
Additional instructions if programming is aborted
Information
If individual programming steps or subsequent work could not be carried out correctly, see Workshop
Manual for the basic procedure for control unit programming using the PIWIS Tester Workshop Manual
'9X00IN Basic instructions and procedure for control unit programming using the PIWIS Tester - section
on "Fault finding"'. :
You will also find further information and instructions specifically for the VR12.1.1 update in the table
below:
Situation:
SiriusXM is not available as a source in the PCM. The option for SiriusXM is greyed out. The user interface
within the PCM screen does not allow the PCM to confirm SiriusXM service is available, presenting a
“deadlock” condition.
Action required: 1. Press the Joker-key (‘♦’ button) on the steering wheel. This will allow you to assign a function to the
Joker-key. A popup should appear on the PCM center display.
2. Press the button labeled “change button assignment.”
3. Choose “steering wheel button.”
4. Choose “change source.”
5. Go to Media on the PCM screen.
6. Change the source to SiriusXM via the Joker-key on steering wheel. Confirm the source is available and
no longer greyed out.
Work
Procedure:
Control unit:
Situation:
Action required:
Central computer (PCM):
Programming of central
computer (PCM) has failed.
See Technical Information
TI 101/20 if programming
is aborted during central
computer (PCM) software
updates Technical Information '915200 Complaint
- PCM update cannot be
performed/stops. Observe
specified procedure (101/20)'
AfterSales
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Service
AMB5
ENU
Technical Information
106/21
Control unit for assistance
systems (zFAS):
Fault memory entry B170AF1
or B200FF3 after coding and
bus idle.
Perform Assistance systems
drive link.
•
•
•
Select the Assistance
systems control unit in the
overview.
Select the Drive
links/checks menu.
Select and start the Data
input, Step 2 drive link and
then follow the instructions
on the PIWIS Tester.
The central computer freezes
while loading:
•
Start sequence 2 again
in order to program the
gateway control unit and
OTA control unit again. The
central computer (PCM)
then starts as usual.
Navigation data errors:
•
Re-program the navigation
database using a USB stick
Technical Information
'915200 Complaint about
central computer: Some
navigation regions not
available following software
updates (138/21)'.
Fault memory entries B126CF0
(000A02) or B126CF1
(000A03)
Front corner radar control unit:
Fault memory entry after bus
idle due to incorrect calibration
of front corner radar.
Calibrate front corner radar
again Workshop Manual
'916625 Calibrating front
corner radar'.
Parking brake (PSM):
Parking brake position lost after
coding.
Read the information on the
instrument cluster and follow
the instructions on the central
display:
•
•
•
Press the brake pedal
completely.
Move selector lever to "N"
and wait 5 seconds.
After a waiting time of 5
seconds, apply the parking
brake.
If the "Brake" warning light in the
instrument cluster still comes
on, perform calibration again
and wait for longer.
Nov 29, 2021
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AfterSales
Service
Technical Information
106/21 ENU
AMB5
9
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.
© 2021 Porsche Cars North America, Inc.
AfterSales
Nov 29, 2021
Page 31 of 31
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TSB/Document ID: No. 106-21-1
Replacement Service Bulletin Number:
MFR Communication Date: 2021-11-29
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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