Service

Technical Information

214/23 ENU

APB5

2

APB5 - Replacing the Cell Block Module on High-Voltage Battery (Recall Campaign)

Vehicle Type:

Taycan (Y1A / Y1B / Y1C)

Model Year:

As of 2020 up to 2024

Concerns:

Cell block module

Cause:

There is a possibility that, under certain circumstances, a defect in the battery cells installed in
the high-voltage battery can occur on the affected vehicles.
In this case, a short circuit within the battery modules during the vehicle’s service life cannot be ruled out,
which could lead to thermal events and later to a fire in the vehicle.

Action:

Replace cell block module.
Information
To find out the campaign scope for Replacing the cell block module assigned to each vehicle, see
PCSS Vehicle Information.
Depending on the cell module that was affected, the vehicle was precisely assigned to a scope.
Scope 1-33 is only valid for vehicles with a high-voltage battery with 33 modules
Scope 34-59 is only valid for vehicles with a high-voltage battery with 28 modules

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APB5

Technical Information

ENU 214/23

Allocation of scopes to cell block module
Information
NOTES about Warranty Processing for Multiple Campaigns:
Please see the Warranty processing section at the end of the TI for more detailed notes. Vehicles
assigned to APB5 are also assigned to WRJ5 Workshop Campaign. The Scopes table on the next page
denotes the affected battery module that is being replaced. APB5 should be closed with 0 parts and 0TU
labor. Only customer satisfaction (towing, mobility) should be included in the APB5 Warranty claim. WRJ5
covers the parts (installed by EVBS) and labor for your PC removing and reinstalling the battery (as well as
the shipping prep, leak test, etc.) and the Sublet from EVBS for the work performed.

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AfterSales

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Technical Information

214/23 ENU

APB5

2

Information
Processing of multiple campaigns
If the vehicle is assigned to one or more of the campaigns listed below, the campaigns must be carried
out together if possible because of the overlapping steps involved.
Before carrying out this campaign, it is thus important to check whether the vehicle in question also
comes under one or more of the campaigns specified below:
•

APB2 Recall campaign – Checking high-voltage battery and replacing if necessary (depth of repair 1
or 3)

•

WPL8 Workshop campaign - Replacing electric passenger compartment heater (depth of repair 2)

Processing APB2 recall campaign
If, in addition to this campaign, the APB2 campaign has not yet been carried out on a vehicle, the leak
test of the high-voltage battery must first be carried out as part of the APB2 campaign.
•

If the test result is positive (high-voltage battery is leak-tight), this campaign can be carried out.

•

If the test result is negative (high-voltage battery is leaking), implementation of this campaign
is no longer necessary due to the necessary replacement of the high-voltage battery and can be
concluded. After carrying out campaign APB5, campaign APB2 is to be closed by performing a
recall update (warranty claim with 0 material units and 0 time units).

For warranty processing for both campaigns, proceed as follows in this case:
•

A warranty claim must be submitted for campaign APB5 in which 0 TU is entered as the specified
labor time and no material items are specified.

•

Mark campaign APB5 as Recall Update with the reason “Other + free text Replace HVB” in
PQIS. The “Warranty relevance” flag must be activated in order to be able to set a warranty claim
and close the campaign.

Processing campaign APB5
Please be reminded that Spiers/EVBS is doing the module replacement. Your Porsche Center will still
be billed for and reimbursed via Warranty claim for all of the necessary parts used, but the new parts will
come already installed in the battery by EVBS.
Your Porsche Center should invoice the individual items incurred for customer mobility, vehicle reception,
vehicle transport and acceptance of the vehicle after return transport in accordance with the warranty
specifications using campaign APB5. APB5 should be closed with 0 parts and 0 labor by marking
"Campaign not feasible" and selecting the "warranty relevant" flag. The only things on the APB5 Warranty
claim should be the items mentioned here.
Affected
Vehicles:

Only vehicles assigned to the campaign (see also PCSS Vehicle Information).

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Technical Information

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APB5

Installation
Position:

Installation position: Cell block module

Required tools
Tools:

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T40262 - T40262 - Locking cap
VAS 6558A - High-voltage test adapter
VAS 6558/9-6A - High-voltage test adapter
VAS 6883 - Insulated tool set.
V.A.G 1274B - Cooling system testing unit
VAS 5581 - Diagnostic Box
VAS 6911/3B - Test plug set
9925 - 9925 - Leak-tightness test set
9925/1 - 9925/1 - Adapter cable
T90028 - T90028 - Cover
T40349 - T40349 - Seal plug
T90012 - T90012 - Cover
V.A.G 1628 - Hand-cartridge gun
VAS 221 005 - Cartridge opener
V.A.G 1397B - Pressure sensor
VAS 691 005/14 - Hose connector
T40449 - T40449 - Sealing adapter
VAS 6410 - Contact surface cleaning set

AfterSales

Service

Technical Information
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214/23 ENU

APB5

2

VAS 6558A/27 - Set of Kelvin clamps and test probes
VAS 531 011 - Cooling system service equipment
VAS 6096/2 - Vacuum pump
3093 - 3093 - Hose clamp
VAS 6675A - Funnel
P90012 - P90012 - Guide pins
VAS 6832 - Master Gear unit elevating platform
VAS 6832/9 - Assembly device
VAS 6884 - High-voltage cordon
VAS 501 009 - Fork lift cross member
T90010 - T90010 - Lifting tool
VAS 501 011 - Chain sling
9900 - PIWIS Tester 3
VAS 6910 - Module balancer
T90023 - T90023 - Gap filler template
VAS 6762/10 - End caps
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 - battery charger 90 A

Country-specific tools:
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VAS 6558/10-1 - High-voltage test adapter
VAS 6558/14A - High-voltage test adapter
VAS 6558/17A - High-voltage test adapter
VAS 6558/10-2 - High-voltage test adapter
VAS 6558/18A - High-voltage test adapter
VAS 6558/13A - VAS 6558/13A - High-voltage test adapter
VAS 6558/22 - High-voltage test adapter

Please refer to the relevant Workshop Manuals for details of the required tools.

Required parts and materials
Information
The part numbers of the required parts for the respective vehicle can be seen in the assigned scope.
An overview of the required parts is given in the Excel table in the PPN document for the campaign.

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APB5

Technical Information

ENU 214/23

Overview of parts
Material:

Required materials (usually already available in the Porsche Center):
Part No.

Designation

Quantity

...

Corrosion preventive GPL 205

Quantity as required

...

Isopropanol cleaning cloths

Quantity as required

Fabric adhesive tape (fleece)
Paintbrush
Disposable gloves
*For warranty processing, the Part No. APB50000001 designated as “Consumables” can be invoiced
as an additional part in the warranty claim. Maximum amount $ 5.39.

Replacing cell block module
Information
The recalls for the cell module exchange of the Taycan of the 1st generation give rise to many question
marks, but also comments and suggestions.
Therefore, certain processes were analysed and work steps were developed to increase the efficiency of
the repair concept as part of the recall campaigns. Please observe these actions when carrying out this
campaign.

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Technical Information

214/23 ENU

APB5

2

Details on the Efficiency Manual can be found in the section:  Technical Information 'Actions to increase
the efficiency of HV battery repair' or as a presentation in the appendix to the PPN documents for the
campaign.
Work Procedure: 1

2

Create Vehicle Analysis Log (VAL) using the PIWIS Tester. Mark the vehicle analysis log you have just
created with the attribute “Pre-VAL”.
Remove the battery and prepare for shipment to EVBS. NOTE: Please leak test the battery after
removal and before shipping to EVBS. These instructions are contained within "Preliminary Work"
section, steps 1 to 4 of  Workshop Manual '2X00IN General warning notices for working on the
high-voltage on-board system'
If the HV Battery fails the leak test per the Workshop Manual, replace the battery and DO NOT send
the battery to EVBS. If you require a new HV Battery, please submit a PRMS Parts Support ticket to
Bill Trusky for release of the battery. Please mention APB5 in ticket.
PLEASE NOTE THAT IT IS PERMISSIBLE TO MOVE THE VEHICLE AFTER THE BATTERY HAS BEEN
REMOVED. Normally this would not be approved, but because of the repair taking place outside the
Porsche Center, the vehicle can be moved off of the lift after the battery is removed. THE BATTERY
COVER MUST BE REINSTALLED BEFORE MOVING THE VEHICLE. THE SPEED LIMIT WHILE MOVING
THE VEHICLE WITH NO HV BATTERY INSTALLED IS 4 MPH.
There are further instructions at the end of this document.

3

Remove the affected cell block module. For instructions, see  Workshop Manual '270855
Replacing cell block module'
Counting the modules of a 28-module high-voltage battery is different from counting the modules of
a 33-module high-voltage battery.

28-module high-voltage battery version

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Technical Information

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APB5

33-module high-voltage battery version
4

Install the HV Battery with the new cell module(s) and then store the new Serial Number(s) of the cell
module(s) in PCSS. For instructions, see  Workshop Manual '270855 Replacing cell block module'
NOTE: Your PC will only be responsible for entering the new Serial Number(s) of the replaced cell
modules and the re-installation of the HV Battery. The steps for entering the new Serial Number(s)
are contained in the "Reworking" Section, steps 8 and 9 of WM270855 and the re-installation
instructions for the HV Battery are contained in "Reworking" Section, steps 14 through 27 of WM
270855.

5

Create Vehicle Analysis Log (VAL) using the PIWIS Tester. Return the vehicle analysis log you have
just created with the attribute “Post-VAL” using the PIWIS Tester.

6

Enter the campaign in the Warranty and Maintenance logbook.

Warranty processing
Information
The specified working times were determined specifically for the completion of this campaign and may
differ from the working times published in the Labor Operation List in PCSS.
Repair depth:

The Porsche Center is only responsible for removing the battery, performing the leak test
before shipment, and then shipping the battery to EVBS. Then, installing the HV Battery when it
returns from EVBS. Your Porsche Center will receive information with the battery from EVBS on
the new Serial Numbers for the replaced battery modules, which you will need to enter in PCSS
in order to properly document the repair.
Vehicles assigned to APB5 are also assigned to WRJ5 Workshop Campaign. APB5 should be
closed with 0 parts and 0TU labor. Only customer satisfaction (towing, mobility) should be
included in the APB5 Warranty claim. The WRJ5 Campaign covers the parts (installed by EVBS)

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Technical Information

214/23 ENU

APB5

2

and labor for your PC removing and reinstalling the battery, as well as the shipping prep, leak
test, etc. The Sublet amount from EVBS should also be included in the WRJ5 claim.
NOTE: If more than one HV Battery module is replaced by EVBS, that means that they found more than the
required modules were potentially faultly. PCNA has authorized EVBS to replace any modules found to
be potentially faulty. If more than one module is replaced, it must be invoiced on the WRJ5 Campaign. HV
Batteries and Cell modules cannot be invoiced as subsequent credit appeals, as it will not trigger a
serial number change in PCSS.
If the HV Battery fails the leak test when first removed at your Porsche Center, the battery should not be
sent to EVBS. In this case, APB5 should be closed for $0 by selecting "Campaign not Feasible" in PCSS
and selecting the "Warranty Relevant" flag. All costs for the battery replacement, including the removal
and leak test, must be invoiced under WRJ5, Scope 2.
Porsche Centers can invoice can invoice the individual items incurred for customer mobility, vehicle
reception, vehicle transport and acceptance of the vehicle after return transport in accordance with the
warranty specifications using APB5.
• Vehicle acceptance

50 TU

• Acceptance of the vehicle following return transport

50 TU

• Costs for transporting the vehicle to and from the Porsche Center
(APB50000003)

Amount as per invoice*

• Vehicle parking (APB50000004)

Quantity as required
(for warranty invoicing only)

• Customer mobility, other brands (APB50000005)

Quantity as required
(for warranty invoicing only)

* Please document copy of invoice in PQIS
Scope 1-59:

Replacing cell block module of high-voltage battery
Labor time:
Replacing cell block module
Includes:
Creating vehicle analysis log
Deactivating high-voltage system and starting it up
Remove and install high-voltage battery
Performing leak test on battery housing of the high-voltage
battery and recording the results
Draining and filling coolant