No. 2321.1

Bulletin #: 2321.1
Advanced Technical Information
Part ID: 2785
2
InnoDrive – Active Lane Keep Assist Function Not Available in the Vehicle
Vehicles Affected
Models
Model Year
Model Type
VIN Range
Vehicle-Specific Equipment
Cayenne
2024
9YA, 9YB
N/A
PY3 – Porsche InnoDrive incl.
Adaptive Cruise Control (ACC)
and Lane Keep Assist (LKA)
Revision History
Revision
Release Date
Changes
0
September 12, 2023
Original document
1
October 12, 2023
Addition of Warranty note
Condition
The customer states that the Active Lane Keep Assist function is not present in the PCM, despite the vehicle being
equipped with InnoDrive.
Figure 1- Active Lane Keep Assist function missing from PCM
AfterSales
Oct 12, 2023
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Bulletin #: 2321.1
Advanced Technical Information
Part ID: 2785
2
Technical Background
A programming error from production may cause the Active Lane Keep Assist (ALKA) feature of Porsche InnoDrive to
not be activated in the adaptive cruise control (ACC) control unit, despite the vehicle being equipped with Porsche 		
InnoDrive.
Service Information
1.
Please create a VAL to document the coding information in the ACC control unit. Please also take a picture
to document the absence of ALKA in the PCM.
=> Vehicle menu => Assistance
2.
Perform Component Protection Commissioning of the ACC control unit:
=> Overview => Additional menu (F7) => Component protection commissioning => Distance sensor (ACC)
Follow the on-screen prompts to ensure the commissioning completes successfully.
The PCM menu should now show the option for ALKA:
Figure 2 Active Lane Keep Assist available after component protection commissioning
AfterSales
Oct 12, 2023
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Bulletin #: 2321.1
Advanced Technical Information
Part ID: 2785
2
Warranty
NOTE: Repairs completed during PDI must be submitted under Warranty Type Code 116.
As always, please document the repair completely in PCSS.
For this repair, please code the “cause” as follows:
2785 Distance measuring sensor control unit
Cause location:
1134 Programming error
Cause symptom:
Use the following labor operations:
27859590
Distance measuring sensor control unit troubleshooting
•
NOTE: Only actual time elapsed up to a maximum of 20 TU, verified by a separate identifiable time punch,
may be claimed.
Additional labor operations may be claimed only as necessary.
Search Items
Cayenne, E3, E3PA, E3.II, Lane Keep Assist, LKA, ALKA, Active Lane Keep, InnoDrive, assistance
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.
©2023 Porsche Cars North America, Inc.
AfterSales
Oct 12, 2023
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