No. 2013

2
Bulletin #: 2013
Advanced Technical Information
Part ID: 2023
971, 9YA– Requested Active Charcoal Container Replacement in Connection
with Tank Vent Valve Replacement for P044100/ P044200
Vehicles Affected
Models
Model Year
Model Type
VIN Range
Vehicle-Specific Equipment
Panamera
2017 - 2020
971
N/A
N/A
Cayenne
2019 - 2020
9YA
N/A
N/A
Revision History
Revision
Release Date
Changes
0
December 10, 2020
Original document
Condition
A faulty Tank Ventilation Valve or Line can trigger the malfunction indicator lamp (MIL) for numerous reasons, for
example the DME faults “P044100 - EVAP Emission Control System Incorrect Purge Flow” and/or “P044200 EVAP Emission Control System (Small Leak) Leak Detected”. In such instances, where the repair necessitates
replacement of the Breather Line, this ATI kindly requests replacement of the attached filter elements
shown below, to allow for analysis and testing on filter element.
Technical Background
In addition to the analyses of faulty Breather Lines, an associated analysis of the attached filter element is also
requested for investigative purposes.
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December 10, 2020
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Bulletin #: 2013
Advanced Technical Information
Part ID: 2023
Service Information 971
Please replace the Breather Line (Part 22) shown below.
Figure 1
Breather Line Requested for Replacement 971
Please note, PET (Porsche Ersatzteil Catalogue) should be consulted for use of the most current part.
In the same PQIS entry and warranty request used to replace the Breather Line insuring the proper repair of the 		
vehicle, please replace the filter element (Part 5) shown below. (The filter element can be replaced by ordering the
pre-assembled unit represented by Assembly “4” in Figure 2.)
Figure 2
Activated Charcoal Container for replacement with the Breather Line 971
Please note, PET (Porsche Ersatzteil Catalogue) should be consulted for use of the most current part.
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Bulletin #: 2013
Advanced Technical Information
Part ID: 2023
Service Information 9YA
Please replace the Breather Line (Part 22) shown below.
Figure 3
Breather Line Requested for Replacement 9YA
In the same PQIS entry and warranty request to replace the Breather Line to properly repair the vehicle, please
replace the charcoal container (Part 1) shown below.
Figure 4
Activated Charcoal Container for replacement with the Breather Line 9YA
Please note, PET (Porsche Ersatzteil Catalogue) should be consulted for use of the most current part.
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Bulletin #: 2013
Advanced Technical Information
Part ID: 2023
2
Warranty
As always, please document the repair completely in PQIS.
For this repair, please code the “cause” as follows:
Cause location:
20230
Tank vent
Cause symptom:
5021
Not airtight
Use the following troubleshooting labor operation:
Please use the labor operation(s) already employed to replace the breather line and filter.
971
20231910 - Tank vent remove and reinstall
20251950 - Carbon canister remove and reinstall
9YA
20231960 -Tank vent remove and reinstall
20251900 -Carbon canister remove and reinstall
Search Items
Charcoal, Breather Line, DME, G2, E3, P044100, P044200, EVAP, MIL
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.
A10239; A11037
©2020 Porsche Cars North America, Inc.
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