No. 2412

Bulletin #: 2412
Advanced Technical Information
Part ID: 2026
2
Cayenne DME P242100 – Fuel Tank Isolation Valve for Tank Ventilation
System - Stuck Open
Vehicles Affected
Models
Model Year
Model Type
VIN Range
Vehicle-Specific Equipment
Cayenne
As of 2019 up to 2023
9YAAE1
9YACH1
9YBAE1
9YBCH1
N/A
N/A
Revision History
Revision
Release Date
Changes
0
April 5, 2024
Original document
Condition
Customer complains of the check engine light on. Workshop scanned vehicle and found DME fault P242100 - Fuel
Tank, Isolation valve for tank ventilation system stuck open.
Technical Background
Carbon deposits from the carbon canister may impair the sealing function of the sealing membrane in the tank
ventilation system.
AfterSales
Apr 5, 2024
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Bulletin #: 2412
Advanced Technical Information
Part ID: 2026
2
Service Information
Please replace these four components shown in yellow below:
1)
PAB 201 801 C
Evaporative Emission Canister
11)
PAB 201 549 B
Pressure Regulator
16)
PAB 201 183
Breather Line
24)
PAB 201 999
Vent Hose
Warranty
For documentation and warranty invoicing, enter the working position and PCSS encryption specified below in the 		
warranty claim:
APOS
Labor operation
20251900
Carbon canister remove and reinstall
20231960
Tank vent remove and reinstall
20381920
Supply line remove and reinstall
AfterSales
I No.
Apr 5, 2024
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Bulletin #: 2412
Advanced Technical Information
Part ID: 2026
2
PCSS encryption:
Location (FES5)
20660
Fuel Pump
Damage type (SA4)
5061
Pressure too Low
Search Items
Cayenne, Fuel Tank, Ventilation, Isolation Valve, 9YA, Low Pressure, Pressure too Low, Not Airtight
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.
A16624
©2024 Porsche Cars North America, Inc.
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Apr 5, 2024
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