April 24, 2019 NHTSA CAMPAIGN NUMBER: 19V322000
A/C Control Unit May Short Circuit and Cause Fire
An electrical short increases the risk of fire.
NHTSA Campaign Number: 19V322
Manufacturer Porsche
Cars North America, Inc.
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 33,206
Summary
Porsche Cars North America, Inc. (Porsche) is recalling certain 2010-2016 Panamera 4S and Panamera S, 2011-2016 Panamera, Panamera 4 and Panamera Turbo, 2012-2016 Panamera Turbo S and Panamera S E-Hybrid, 2013-2016 Panamera GTS, 2013 Panamera Platinum Edition and Panamera 4 Platinum Edition, 2014-2016 Panamera 4S Executive, Panamera Turbo Executive and Panamera Turbo S Executive, 2015 Panamera Diesel and 2016 Panamera 4 Edition, Panamera Edition and Panamera Turbo S Exclusive Series vehicles. Water may enter the A/C blower control unit, causing an electrical short circuit.
Remedy
Porsche will notify owners, and dealers will inspect the blower control unit, replacing it as necessary, free of charge. The recall began February 10, 2020. Owners may contact Porsche customer service at 1-800-767-7243. Porsche’s number for this recall is AKA7. Note: Porsche recommends that owners park their vehicle outdoors until the recall remedy has been performed.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Check if your Porsche has a Recall
AKA7 – Checking Control Unit for Air-Conditioning Blower and Replacing it if Necessary (Recall Campaign)
| Revision: | October 1, 2019
This revision amends AKA7 as follows: All references to “right hand drive” were removed, Remedial Action was revised, and new scopes were added. |
| Model Year: | 2010 – 2016 |
| Model Line: | Panamera (970) |
| Subject: | Control unit for air-conditioning blower |
| Concern: | There is a possibility that moisture can get into the control unit for the air-conditioning blower on the affected vehicles and cause short circuits there.
Depending on how much moisture gets in, this can cause malfunctions and short circuits in the air-conditioning blower control system. These short circuits can lead to an increased risk of fire. |
| Remedial Action: | Check control unit for air-conditioning blower (blower regulator) and replace it if necessary.
Information If the interim solution WKE0 has not yet been carried out on a vehicle in addition to this campaign, WKE0 must not be carried out. On vehicles on which the interim solution was carried out, the blower regulator must be replaced during campaign AKA7 and the relay that was installed temporarily in the electric wire harness must be removed again. There will then no longer be any loss of comfort. The work required for this must be performed as described underTechnical Information ‘Removing relay for activating control unit for air-conditioning blower and replacing blower regulator’. For warranty processing for both campaigns, proceed as follows in this case:
|
| Affected Vehicles: | Only the vehicles assigned to the campaign (see also PCSS Vehicle Information). |
| Installation position: | Installation position of control unit for air-conditioning blower |
Required parts and materials
| Parts Info: | No parts are required for checking the control unit for air-conditioning blower.
Parts required if the control unit for air-conditioning blower must be replaced:
| ||||||
| Expendable items: | Additional materials required for vehicles on which the interim solution WKE0 was carried out:
Required materials (usually already available in the Porsche
For warranty processing, the Part No. AKA70000001 with the designation “expendable items” can be invoiced as an additional part in the warranty claim. Maximum cost: $2.50. |
Required tools
| Tools: |
|
SEOCONTENT-START
Scope 1 and 2: Checking control unit for air-conditioning blower and replacing it if necessary
Important: If Interim Solution WKE0 has already been performed on this vehicle, proceed to Scope 3 on page 8 of
this TI, section: Removing relay for activating control unit for air-conditioning blower and replacing blower
regulator”. If Interim solution WKE0 has not been performed previously and both WKE0 and AKA7 are still
open on this vehicle, continue to complete the steps on this page : “Checking control unit for air-conditioning
blower and replacing it if necessary”.
Work Procedure: 1 Preparatory work
1.1 Remove cover in the footwell on the passenger’s side Workshop Manual ‘702219
Removing and installing cover under dashboard’.
1.2 Remove footwell outlet vent on passenger’s side Workshop Manual ‘805519 Removing
and installing front footwell outlet vent’.
2 Illuminate control unit for air-conditioning blower Reading off part number -1- using a hand lamp
so that the part number is visible.
Reading off part number
AfterSales Jun 21, 2019
Page 3 of 18
Required tools
Tools: • VAS 1978/35-33 – Release Tool Set
• Torque wrench, 2 – 10 Nm (1.5 – 7.5 ftlb.), e.g. V.A.G 1783 – Torque wrench, 2-10 Nm (1.5-7.5
ftlb.)
Service 8 AKA7 ENU 53/19
Technical Information
Comparing part number
Part number that was read
off
Next steps
97062442301 Control unit for air-conditioning blower does not have to be
replaced.
–End of action required–
Continue with Step 4.
9706244 01
or
97062442302
or
97062442303
Control unit for air-conditioning blower must be replaced.
To do this, continue with Step 3.
Jun 21, 2019
Page 4 of 18 AfterSales
Technical Information
Service
53/19 ENU AKA7 8
Disconnecting plug connection
on fan control
3.1 Remove control unit for air-conditioning
blower (blower regulator).
3.1.1 Release and disconnect electric
plug connections Disconnecting
plug connection on fan control -1-
on the blower regulator Disconnecting
plug connection on fan
control -arrow-.
Pulling out fan control
3.1.2 Unscrew fastening screws
Pulling out fan control -1- ( Pulling
out fan control -arrows A-) and pull
out blower regulator Pulling out
fan control -2- ( Pulling out fan
control -arrow B-).
3.1.3 Remove seal on the
heating/fresh-air fan if necessary
and dispose of it.
Fitting seal
3.2 Install new control unit for air-conditioning
blower (blower regulator).
3.2.1 Clean the sealing face on the
heating/fresh-air unit to remove
all residue using cleaning solution
(isopropanol).
3.2.2 Place seal Fitting seal -2- with
bonding surface facing up on the
work area, pull off protective paper
and align the seal evenly
3.2.3 Hold the blower regulator Fitting
seal -1- upside down over the seal
and align it with the bonding surface
without making contact.
AfterSales Jun 21, 2019
Page 5 of 18
3 Replace control unit for air-conditioning blower (blower regulator).
Service 8 AKA7 ENU 53/19
Technical Information
Fitting seal
3.2.4 Lower the regulator straight onto
the seal, check its position and then
press it on Fitting seal -Arrows-.
Inner contour of seal Fitting
seal -2- is aligned with inner
contour of blower regulator
Fitting seal -1-.
It must not project by more
than 1 mm at the sides all the way
around Fitting seal -arrow-.
Installing blower regulator
3.2.5 Position blower regulator
Installing blower regulator -2-
on the heating/fresh-air unit
Installing blower regulator -arrow
A- and screw in screws Installing
blower regulator -1- ( Installing
blower regulator -arrows B-).
Inserting connector
3.2.6 Plug in electric plug connections
Inserting connector -1- on the
blower regulator until they engage
securely Inserting connector
-Arrows-.
Jun 21, 2019
Page 6 of 18 AfterSales
Technical Information
Service
53/19 ENU AKA7 8
Fitting drain strips
3.2.7 Mark upper guide points for drain
strips at 20 mm to the left and right
of the clip point above the blower
regulator and 5 mm below the lower
groove contour Fitting drain
strips.
3.2.8 Mark lower guide points as shown
Fitting drain strips.
3.2.9 Remove protective film.
3.2.10 Position drain strips with the top left
corner on the respective top guide
points and with the lower edge on
the respective bottom guide point
and press them on.
4 Concluding work
4.1 Install footwell outlet vent on passenger’s side
Workshop Manual ‘805519 Removing and installing front footwell outlet vent’.
4.2 Install cover in the footwell on the passenger’s side Workshop Manual ‘702219 Removing
and installing cover under dashboard’.
4.3 Perform function test on air conditioning system.
4.3.1 Switch on the ignition.
4.3.2 Press the relevant buttons on the center console to check whether the vehicle
interior starts cooling and heating.
4.3.3 Switch off the ignition.
5 Enter the campaign in the Warranty and Maintenance booklet.
AfterSales Jun 21, 2019
Page 7 of 18
Service 8 AKA7 ENU 53/19
Technical Information
Information
Always exercise extreme care during the individual work steps for stripping insulation from, crimping and
shrinking/insulating the electric lines.
The procedure for stripping insulation from, crimping, and shrinking/insulating the electric lines must be
observed and complied with. The procedure is described in detail in the VAS 1978/35-33 – release
tool set.
Work Procedure: 1 Preparatory work
1.1 Remove glove compartment Workshop Manual ‘681519 Removing and installing glove
compartment’.
1.2 Loosen fuse box on passenger’s side Workshop Manual ‘978409 Loosening and securing
fuse box’.
Removing sealing strip
2 Remove relay for activating control unit for air-conditioning
blower.
2.1 Pull off sealing strip (butyl cord) Removing
sealing strip -1- on the heating/fresh-air unit
Removing sealing strip -2-.
2.2 Remove residues of the butyl cord on the
heating/fresh-air unit and clean with cleaning
solution (isopropanol).
Jun 21, 2019
Page 8 of 18 AfterSales
Scope 3: Removing relay for activating control unit for air-conditioning blower and replacing blower
regulator
Information
The procedure described here shows the work to be carried out in the footwell on the passenger’s side of
a left-hand drive vehicle.
Technical Information
Service
53/19 ENU AKA7 8
Loosening wire harness
2.3 Disconnect lines from the relay repair kit.
2.3.1 Remove tie-wraps that were fitted to
secure the repair kit.
Loosening wire harness
2.3.2 Remove strips of adhesive tape that
were affixed.
AfterSales Jun 21, 2019
Page 9 of 18
Service 8 AKA7 ENU 53/19
Technical Information
Disconnecting plug connection
on fan control
2.4 Remove control unit for air-conditioning
blower (blower regulator).
2.4.1 Release and disconnect electric
plug connections Disconnecting
plug connection on fan control -1-
on the blower regulator Disconnecting
plug connection on fan
control -arrow-.
Pulling out fan control
2.4.2 Unscrew screws Pulling out
fan control -1- ( Pulling out fan
control -arrows A-) and pull out
blower regulator Pulling out
fan control -2- ( Pulling out fan
control -arrow B-).
2.5 Remove residues of the butyl cord on the
heating/fresh-air unit and clean with cleaning
solution (isopropanol).
Unclipping cover on fuse box
2.6 Disconnect yellow 0.5mm² line from
relay repair kit, PIN 1 at the slot (terminal
15) in the fuse box on the passenger’s side;
function: ignition.
2.6.1 Unclip cover on the back of the fuse
box Unclipping cover on fuse box
-Arrows-.
2.6.2 Remove fuse from slot 18.
Jun 21, 2019
Page 10 of 18 AfterSales
Technical Information
Service
53/19 ENU AKA7 8
Disconnecting terminal 15
2.6.3 On the back of the fuse box
Disconnecting terminal 15 -1-,
release the locking element at the
side of the second row Disconnecting
terminal 15 -arrow Aand
bend it up Disconnecting
terminal 15 -arrow B-.
2.6.4 Unpin black line at slot 18
(terminal 15) using the release
tool.
CAUTION
Sharp, pointed edge on the knife
• Danger of pricks or cuts
Wear personal protective gear.
Handle knife with care.
CAUTION
Hot components
• Risk of burns
Let hot components cool down.
Wear personal protective gear.
AfterSales Jun 21, 2019
Page 11 of 18
Service 8 AKA7 ENU 53/19
Technical Information
Removing terminal 15
2.6.5 Carefully cut open protective sleeve
(adhesive tape) on the black and
yellow line Removing terminal
15 -2- lengthways using a suitable
knife.
To do this, gradually cut open the
protective sleeve with the cutting
edge pointing outwards to avoid
damaging the electric lines.
2.6.6 Disconnect soldered joint between
both lines (black and yellow line). To
do this, switch on the soldering iron
and set it to Temperature 662° F
(350°C) .
2.6.7 Wrap adhesive tape around the
black line Removing terminal
15 -1- until the protective sleeve is
fully restored.
Terminal 15 slot
2.6.8 Insert black line at slot 18 and
secure again with the locking
element.
F18 – Left-hand drive (LHD) =
front right fuse carrier
2.6.9 Insert fuse in slot 18.
2.6.10 Clip in cover on the back of the fuse
box.
Jun 21, 2019
Page 12 of 18 AfterSales
Technical Information
Service
53/19 ENU AKA7 8
Disconnecting ground point
2.7 Disconnect yellow 1mm² line from
relay repair kit, PIN 2 (ground point) at the
dashboard bracket Disconnecting ground
point.
2.7.1 Loosen fastening screw Disconnecting
ground point -1- on the
dashboard bracket Disconnecting
ground point -2-.
2.7.2 Remove ground line (yellow 1mm
line with eyelet) Pulling out
fan control -3- and screw in the
fastening nut again.
Connecting terminal 30
2.8 Disconnect terminal 30 on the vehicle side
of the wire harness for the blower regulator at
the relay Connecting terminal 30.
2.8.1 Unpin red line on the vehicle side at
PIN 3 of the relay socket using
the release tool Connecting
terminal 30 -arrow A-.
2.8.2 Unpin yellow 4 mm² line
from relay repair kit, PIN 5
at the connector for the blower
regulator using the release tool
Connecting terminal 30 -arrow B-.
AfterSales Jun 21, 2019
Page 13 of 18
Service 8 AKA7 ENU 53/19
Technical Information
Connecting terminal 15
2.8.3 Insert red line on the vehicle
side at the same slot as the
previously disconnected yellow 4
mm² line from the repair kit on the
connector for the blower regulator
Connecting terminal 15 -arrow-.
2.8.4 Wrap fabric adhesive tape around
the red line on the wire harness
until the protective sleeve is fully
restored.
Fitting seal
2.9 Install control unit for air-conditioning blower
(blower regulator).
2.9.1 Place seal Fitting seal -2- with
bonding surface facing up on the
work area, pull off protective paper
and align the seal evenly
2.9.2 Hold the blower regulator Fitting
seal -1- upside down over the seal
and align it with the bonding surface
without making contact.
Jun 21, 2019
Page 14 of 18 AfterSales
Technical Information
Service
53/19 ENU AKA7 8
Fitting seal
2.9.3 Lower the regulator straight onto
the seal, check its position and then
press it on Fitting seal -Arrows-.
Inner contour of seal Fitting
seal -2- is aligned with inner
contour of blower regulator
Fitting seal -1-.
It must not project by more
than 1 mm at the sides all the way
around Fitting seal -arrow-.
Installing blower regulator
2.9.4 Position blower regulator
Installing blower regulator -2-
on the heating/fresh-air unit
Installing blower regulator -arrow
A- and screw in screws Installing
blower regulator -1- ( Installing
blower regulator -arrows B-).
Inserting connector
2.9.5 Plug in electric plug connections
Inserting connector -1- on the
blower regulator until they engage
securely Inserting connector
-Arrows-.
AfterSales Jun 21, 2019
Page 15 of 18
Service 8 AKA7 ENU 53/19
Technical Information
Fitting drain strips
2.9.6 Mark upper guide points for drain
strips at 20 mm to the left and right
of the clip point above the blower
regulator and 5 mm below the lower
groove contour Fitting drain
strips.
2.9.7 Mark lower guide points as shown
Fitting drain strips.
2.9.8 Remove protective film.
2.9.9 Position drain strips with the top left
corner on the respective top guide
points and with the lower edge on
the respective bottom guide point
and press them on.
3 Concluding work
3.1 Secure fuse box on passenger’s side
Workshop Manual ‘978409 Loosening and securing fuse box’.
3.2 Install glove compartment Workshop Manual ‘681519 Removing and installing glove
compartment’.
Information
After carrying out the interim solution WKE0, an inactive fault was set in the gateway
control unit (fault code C12097) on vehicles with hybrid drive. This fault entry did not
cause any functional restriction while driving and could be ignored for the duration of the
interim measure.
The fault memory entry must be deleted in the fault memory after installing the new control
unit for air-conditioning blower.
3.3 Perform function test on air conditioning system.
3.3.1 Switch on the ignition.
3.3.2 Press the relevant buttons on the center console to check whether the vehicle
interior starts cooling and heating.
3.3.3 Switch off the ignition.
4 Enter the campaign in the Warranty and Maintenance booklet.
Jun 21, 2019
Page 16 of 18 AfterSales
Technical Information
Service
53/19 ENU AKA7 8
• Vehicles withoutWKE0 previously performed
Working time:
Checking control unit for air-conditioning blower Labor time: 28 TU
Includes:
Removing and installing front footwell outlet vent
Removing and installing cover under dashboard
Damage Code AKA7 099 000 1
Scope 2: Checking and replacing control unit for air-conditioning blower
• Vehicles withoutWKE0 previously performed
Working time:
Checking and replacing control unit for air-conditioning blower Labor time: 62 TU
Includes:
Removing and installing front footwell outlet vent
Removing and installing cover under dashboard
Removing and installing control unit for air-conditioning blower
Parts required:
00004330450 Regulator 1 ea.
Damage Code AKA7 099 000 2
AfterSales Jun 21, 2019
Page 17 of 18
Warranty processing
Scope 1: Checking control unit for air-conditioning blower
Service 8 AKA7 ENU 53/19
Technical Information
Parts required:
00004330450 Regulator 1 ea.
Required materials:
AKA70000001* Expendable items 1 ea.
(for warranty invoicing only)
* For warranty processing, the Part No. AKA70000001 with the “expendable items” designation can
be invoiced as an additional part in the warranty claim. Maximum cost: $2.50.
Damage Code AKA7 099 000 2
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. © 2019 Porsche Cars North America, Inc.
Jun 21, 2019
Page 18 of 18 AfterSales
Scope 3: Removing relay for activating control unit for air-conditioning blower and replacing control unit
for air-conditioning blower
• Vehicles withWKE0 previously performed
Labor time: 163 TU
Working time:
Removing relay for activating control unit for air-conditioning blower and
replacing control unit for air-conditioning blower
Includes:
Removing and installing front footwell outlet vent
Removing and installing cover under dashboard
Removing and installing relay for activating control unit for air-conditioning blower
Removing and installing control unit for air-conditioning blower
SEOCONTENT-END
46 Affected Products
Vehicles
| PORSCHE | PANAMERA | 2011-2016 |
| PORSCHE | PANAMERA 4 | 2011-2016 |
| PORSCHE | PANAMERA 4S | 2010-2016 |
| PORSCHE | PANAMERA GTS | 2013-2016 |
| PORSCHE | PANAMERA S | 2010-2016 |
| PORSCHE | PANAMERA S E-HYBRID | 2012-2016 |
| PORSCHE | PANAMERA TURBO | 2011-2016 |
| PORSCHE | PANAMERA TURBO S | 2012-2016 |
8 Associated Documents
ISSUED Interim Owner Notification Letter(Part 577)
RIONL-19V322-7074.pdf 152.911KB
Defect Notice 573 Report
RCLRPT-19V322-4645.PDF 249.775KB
Recall Acknowledgement
RCAK-19V322-9299.pdf 246.373KB
Remedy Instructions and TSB
RCRIT-19V322-4904.pdf 103.592KB
ISSUED Owner Notification Letter(Part 577)
RCONL-19V322-8325.pdf 125.585KB
Recall 573 Report – AMENDMENT 1
RCLRPT-19V322-4286.PDF 249.565KB
Manufacturer Notices(to Dealers,etc) – AKA7 Recall Campaign – Checking control unit for air-conditioning blower and replacing it if necessary dated 6-21-19 through 9-30-19.
RCMN-19V322-7129.pdf 102.546KB
Remedy Instructions and TSB
RCRIT-19V322-6122.pdf 680.447KB
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