NHTSA ID Number: 10249870
Manufacturer Communication Number: No. 267-22
TSB/Document Date: 2024-02-07
Summary
Technical information for the check engine warning light - active in conjunction with fault memory entry P310B00
Service
Technical Information
267/22 ENU
2470
2
Check Engine Warning Light is Active in Conjunction With Fault Memory Entry “P310B00”
in the DME Control Unit: Re-Programming DME Control Unit (267/22)
Vehicle Type:
Cayenne Turbo (9YA) / Cayenne Turbo Coupé (9YB)
Model Year:
As of 2020
Concerns:
Engine electronics (DME) control unit
Information:
Customers complaint of a yellow warning message “Engine control fault” in the instrument cluster.
The following fault memory entry is stored in the fault memory of the DME control unit:
•
Cause:
P310B00 - Fuel low-pressure system, control outside tolerance
The fuel low-pressure pump for fuel delivery from the fuel tank to the engine is a screw spindle pump. The
delivery rate and the supply pressure of the fuel low-pressure pump are not always at the same level in
near-idle mode due to the concept. In the event of a fault, the supply pressure for the engine operating
state is too high.
Action required: In the event of a customer complaint, re-program the DME control unit using the PIWIS Tester with PIWIS
Tester software version 41.600.020 (or higher) installed.
Required tools
Tool:
•
•
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 battery charger 90A. For
further information about the battery chargers to be used, see the corresponding Workshop Manual.
Workshop Manual '270689 Charging vehicle electrical system and battery'
P90999 - PIWIS Tester 4 with PIWIS Tester software version 41.600.020 (or higher) installed
Re-programming DME control unit
1
The basic work procedure for programming 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 version:
41.600.020 (or higher)
AfterSales
Jan 18, 2024
Page 1 of 3
2
Service
Technical Information
ENU 267/22
2470
Type of control unit programming:
Control unit programming using the ‘Automatic
programming’ function of the DME control unit.
‘Engine electronics (DME)’ control unit –
‘Coding/programming’ menu – ‘Automatic
programming’ function.
Read and follow the information and instructions
on the PIWIS Tester during the guided
programming sequence.
During the programming sequence, the DME
control unit is re-programmed and then automaticallyre-coded.
Programming sequence:
Do not interrupt programming and coding.
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.
2
Jan 18, 2024
Page 2 of 3
Programming time (approx.):
Programming takes up to 12 minutes, depending
on equipment.
Data set for the motor electronics (DME)
programmed as part of this programming:
See section Technical Information '9X00IN
Overview of programmed DME data sets'.
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”'.
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'.
AfterSales
Service
Technical Information
267/22 ENU
2470
2
Overview of programmed DME data records
Overview:
Information
The software part number and software version of the programmed data record are based on the
specified PIWIS Tester test software version. Please note that this may be different in a higher version.
Cayenne Turbo (9YA) / Cayenne Turbo Coupé (9YB)
Exhaust
emission
standard
Model year
=Porsche
part number
(software)
Software
version
2020
(L)
2021
(M)
2022
(N)
2023
(P)
C6b with RDE
x
x
x
-
9Y0906014E
0004
C6b with RDE
-
-
-
x
9Y0906014E
0020
ULEV
-
-
x
x
9Y0906014AB
0002
Invoicing
For documentation and warranty invoicing, enter the working position and PCSS encryption specified
below in the warranty claim:
APOS
Labor operation
24702501
Re-programming DME control unit
I No.
PCSS encryption:
Location (FES5)
2470
DME control unit
Damage type (SA4)
1134
Programming error
References:
Workshop Manual '9X00IN Basic instructions and procedure for control unit programming using the
PIWIS Tester'
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.
AfterSales
Jan 18, 2024
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TSB/Document ID: No. 267-22
Replacement Service Bulletin Number:
MFR Communication Date: 2024-01-18
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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