NHTSA ID Number: 10179281
Manufacturer Communication Number: WLE8
TSB/Document Date: 2020-09-02
Summary
Porsche
intranet communication for Porsche Workshop Campaign WLE8 - Re-programming DME control unit.
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- Scanner POR V2.0 with all obd2 services
- Do the scanning for engine
- Support OBDII/EOBD Ten Modes of Operation
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TSB/Document ID: WLE8
Replacement Service Bulletin Number:
MFR Communication Date: 2020-08-14
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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WLE8 Workshop campaign - Re-programming DME con... | PPN Portal
WLE8 Workshop campaign - Reprogramming DME control unit
Page 1 of 5
Version 1
Overview
In conjunction with winter fuel sold in the affected market, vapor bubbles can form in the fuel low-pressure
line on the affected vehicles under certain environmental and operating conditions.
This can happen, for example, when the vehicle is stationary for a long time at high outside temperatures, e.g.
when stopped for long periods at traffic lights or in traffic jams.
These vapor bubbles can cause a drop in pressure in the fuel system, which is detected by on-board diagnosis
in the vehicle. As a result, a warning message indicating an engine control fault will be displayed in the
instrument cluster and engine limp-home mode will be activated until the next time the ignition is switched
off and on again.
To prevent this, the DME control unit must be re-programmed using an optimized parameter set that
temporarily increases the fuel pressure in case a pressure drop is detected.
When the DME control unit is programmed, the PDK control unit is also re-programmed automatically.
https://ppn.porsche.com/portal/docs/DOC-319832
9/1/2020
WLE8 Workshop campaign - Re-programming DME con... | PPN Portal
Page 2 of 5
Please arrange for this measure to be carried out on the affected vehicles immediately.
Model type
Panamera Turbo (971)
Panamera Turbo Executive (971)
Panamera Turbo Sport Turismo (971)
Panamera Turbo S E-Hybrid (971)
Panamera Turbo S E-Hybrid Executive (971)
Panamera Turbo S E-Hybrid Sport Turismo (971)
Model year
2017 - 2018
Number
2,815
Required software
PIWIS Tester 3 test software version
39.400.010 (or higher)
If other programming campaigns that affect the same control unit and involve the identical procedure are
open for a vehicle in addition to this campaign, the affected control unit must only be programmed once using
the current PIWIS Tester test software.
Please proceed as follows for the campaigns that have not been carried out:
• Mark the campaign as 'cannot be carried out' with the reason "Modification of the affected component"
in PQIS. The "Warranty relevance" flag must be activated in order to be able to set a warranty claim and
close the campaign.
• A warranty claim must be submitted for the campaign in which 0 TU is entered as the specified working
time and no material items are specified.
Warranty processing
Validity:This workshop campaign will be carried out up to 8/7/2025 and will be closed by the specified date.
Please note that warranty claims can only be processed before this date.
https://ppn.porsche.com/portal/docs/DOC-319832
9/1/2020
WLE8 Workshop campaign - Re-programming DME con... | PPN Portal
Page 3 of 5
Scope 1: Re-programming DME control unit
Only relevant for the following vehicle types:
• Panamera Turbo
• Panamera Turbo Executive
• Panamera Turbo Sport Turismo
Damage Code
WLE8 66 000
Repair Code
1
Working time
78 TU
Scope 2: Re-programming DME control unit
Only relevant for the following vehicle types:
• Panamera Turbo S E-Hybrid
• Panamera Turbo S E-Hybrid Executive
• Panamera Turbo S E-Hybrid Sport Turismo
Damage Code
WLE8 66 000
Repair Code
1
Working time
80 TU
Please enter the campaign that was carried out in the Warranty and Maintenance booklet for the vehicle.
Porsche Mobility
If requested, the mobility of the affected customer can be assured by offering a suitable replacement vehicle.
Please invoice this additional service with the campaign scope via WWS.
Further information
Work instruction
TI No. 74/20, Group 2, Service, WLE8
https://ppn.porsche.com/portal/docs/DOC-319832
9/1/2020
WLE8 Workshop campaign - Re-programming DME con... | PPN Portal
Vehicle list and allocation
See PCSS or attached list for reference
Technical Information*
See PCSS or attached PDF for reference
Page 4 of 5
971 2 74-20 WLE8 - Re-programming DME
control unit (Workshop Campaign).pdf
209.0 KB
(61 views)
WLE8 VIN List.xlsx
64.3 KB
(25 views)
Created by Ryan Cooney on Aug 14, 2020 1:54 AM. Last modified by Ryan Cooney on Aug
14, 2020 1:59 AM.
Categories: Panamera, Workshop Campaigns
Tags : dme, panamera turbo, wle8, fuel vapour
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