No. 3-15

Installation and Conversion Instructions
Macan (95B)
3/15
ENU
6690
6
Trailer Hitch – Mechanical (1D6)
Revision:
This bulletin replaces bulletin Group 6 3/15, dated March 12, 2015.
Model Year:
As of 2014 up to 2018
Information:
Retrofitting
Restrictions:
ONLY approved for USA, Puerto Rico (C02) and Canada (C36)!
NOT approved in conjunction with stainless steel rear panel (2JX)!
Figure 1
Notice:
The Macan can be retrofitted with a trailer hitch ( Figure 1). Note the following special features:
•
•
•
•
Permissible tongue weight of 200 kg/ 440 lbs (maximum)
Plug socket preparation for USA version
Payload following installation, restricted by higher vehicle kerb weight!
Permissible total weight and axle load must not be exceeded!
The trailer hitch is also available ex works for new vehicles by requesting optional equipment "1D6 =
Mechanical trailer hitch".
Tequipment
Dec 22, 2022
Page 1 of 12
6
Macan (95B)
6690
ENU
Installation and Conversion Instructions
3/15
Information
Further information/technical values, instructions for using the trailer hitch and “Driving with a trailer” can
be found in the:
Parts Info:
•
Exceptional conditions for the ’Auto Start Stop’ function if a trailer is detected Observe Driver’s
Manual (bicycle rack or trailer connector inserted) in the vehicle! In this case, the “Auto Start Stop”
function is deactivated (display on the multi-function display/warning signal when stationary while
driving).
•
Macan Driver’s Manual, topics: “Trailer Hitch”, “More Safety and More Driving Pleasure” and
“Weights”
•
Vehicle registration documents
95B.044.802.31
 Towbar system – mechanical – USA (1D6), set
Parts List:
Figure 2
Dec 22, 2022
Page 2 of 12
95B.044.802.35
1x
Wire harness ( Figure 2 -1-) consisting of:
———
1x
Ground line for trailer hitch  Figure 2 -1a-
———
1x
Wiring harness for control unit  Figure 2 -1b-
8R0.800.491.A
1x
Trailer hitch  Figure 2 -2-
4H0.907.383.M
1x
Control unit for mechanical trailer hitch  Figure 2 -4-
95B.971.1241
1x
Wire harness (USA, not shown)
N. 910.742.01
4x
Screw, M5 x 16  Figure 2 -7-
N.038.549.4
2x
Expansion rivet, A8 x 12  Figure 2 -8-
95B.807.834.D .1E0
1x
Rear panel, black  Figure 2 -9-
7L5.971.8851
1x
Cap (USA)  Figure 2 -10-
Tequipment
Installation and Conversion Instructions
Tools:
3/15
7L0.803.593
1x
Stopper for cover, square (not shown)
N . 907.721.02
4x
Bolt, M10 x 105 x 45 (not shown)
1
Materials:
Macan (95B)
ENU
6690
6
Only contained in set 95B.044.802.31.
———
1x
30 amp fuse (commercially available)
———
3x
20 amp fuse (commercially available)
———
1x
Isopropanol (commercially available)
———
1x
Cloth
Nr.88 - Torque angle torque wrench
VAS 6933 Disassembly tool
9900 - PIWIS Tester 3
Saw or vibrating knife
Steel drill bit, Ø up to 8.0 mm
Round/flat file
Drill
Flat scraper
Plastic wedge
Flashlight
Knife
Assembly:
1
Preparatory work
1.1
Remove rear bumper.  Workshop Manual '635519 Removing and installing rear bumper'
1.2
Removing the center luggage compartment trim (load compartment cover).  Workshop
Manual '700619 Removing and installing centre luggage compartment trim (luggage
compartment cover)'
1.3
Remove side luggage compartment trim panel (luggage compartment cover).  Workshop
Manual '700619 Removing and installing side luggage compartment trim (luggage
compartment cover)'
1.4
Removing cover for rear lock carrier.  Workshop Manual '703919 Removing and installing
cover for rear lock carrier'
1.5
Removing side trim panel for right luggage compartment.  Workshop Manual '700319
Removing and installing rear luggage compartment side trim panel'
1.6
Removing rear bumper.  Workshop Manual '635019 Removing and installing bumper rear'
1.7
Disconnect the battery.  Workshop Manual '2X00IN Work instructions after disconnecting
battery'
Tequipment
Dec 22, 2022
Page 3 of 12
6
Macan (95B)
6690
ENU
2
Installation and Conversion Instructions
3/15
Electrical work in passenger compartment
2.1
Route and connect ground line
2.1.1
Disconnect pin connector socket,
green (towbar system preparation)
from the holder from the rear.
 Figure 3
1
2
3
– Pin connector socket,
green (towbar system
preparation)
– Bracket
– Plug (socket) towbar
system plug socket
2.1.2
Unlock pin connector socket (preparation) and push line BL 2.5² out of
pin 6.
2.1.3
Unlock a new green pin connector
socket (ground line) and push line
BL 2.5² into chamber 6.
Lock the new green pin connector
housing (ground line).
2.1.4
Install green pin connector socket
(ground line) into the holder from the
rear.  Figure 4 -Arrow1
2
Dec 22, 2022
Page 4 of 12
Figure 3
– Ground line
– Cap nut for ground pin 42
2.1.5
Route ground line to ground pin 42
(rear, right).  Figure 4
2.1.6
Install cable ring eyelets onto
ground pin 42 and fasten loosely
with cap nut.  Figure 4 -2Another cable ring eyelet will be
installed on the ground pin 42 later.
Tequipment
Figure 4
Installation and Conversion Instructions
2.2
ENU
6690
6
Clip trailer hitch control unit into
bracket.  Figure 5
1
2
3
4
– Trailer hitch control unit
– Towbar system preparation
– Main wire harness
– Bracket
Information
Wire harness for trailer hitch
preparation is secured to the
main wire harness in the luggage
compartment at the right  Figure 4 -3-.
Figure 5
2.2.2
Disconnect towbar system preparation connector from main wiring harness.
2.2.3
Connect plug connection for trailer hitch preparation to the control unit.  Figure 5
-a-
Prepare control unit wire harness for installation
A
B
1
2.4
3/15
Install trailer hitch control unit and close it
2.2.1
2.3
Macan (95B)
– Wire harness for control unit (RdW
version)
– Wire harness for control unit (USA)
– Branch for electric towbar system
button
2.3.1
Remove branch for button for
electric towbar system ( Figure 6
-1-) and other branch from the RdW
version wiring harness.
2.3.2
Complete wire harness USA
version.  Figure 6 -B-
Connect branch for power supply (control
unit wiring harness)
Figure 6
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Dec 22, 2022
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6
Macan (95B)
6690
ENU
Installation and Conversion Instructions
3/15
2.4.1
Loosen fuse box in the luggage
compartment
1
2
– Hexagon nut
– Fuse box (luggage
compartment)
Remove hexagon nut.  Figure 7
Pull fuse box (luggage
compartment) out of the openings
on the longitudinal member. 
Figure 7 -a2.4.2
Figure 7
Release locks of fuse strip C and
fuse strip B. Remove fuse strips
B/C by pulling them down ( Figure
8 -Arrows-) out of the fuse box.
1
2
3
– Fuse strip B
– Fuse strip C
– Locking
Figure 8
2.4.3
Release cap bottom from fuse strip
B and C on both sides and unclip it.
 Figure 9 -a1
2
– Locking
– Bottom cap
Figure 9
Dec 22, 2022
Page 6 of 12
Tequipment
Macan (95B)
Installation and Conversion Instructions
2.4.4
3/15
ENU
6690
6
Use a screwdriver to open the
secondary lock on fuse strips B and
C.  Figure 10 -a1
2
– Secondary lock
– Screwdriver
Information
Ensure socket contact is seated
securely.
2.4.5
Insert socket contacts into fuse
strips B/C as follows:
Figure 10
Fuse strip B, 1.5 mm2
Chamber
RD/WH line

2
RD/YE line

3
RD/BU line

4
Fuse strip C, 2.5 mm2
RD/WH line
Chamber

1
2.4.6
Close secondary lock on fuse strips B and C.
2.4.7
Install cover plate on fuse strips B and C.
2.4.8
Insert fuse strips C and B into the fuse box in the luggage compartment.
Tequipment
Dec 22, 2022
Page 7 of 12
6
Macan (95B)
6690
ENU
2.5
Securing fuse box in the luggage
compartment.
1
2
2.6
Installation and Conversion Instructions
3/15
– Hexagon nut
– Fuse box (luggage compartment)
2.5.1
Install fuse box (luggage
compartment) into the openings on
the longitudinal member.  Figure
11 -a-
2.5.2
Install hexagon nut.
Route and connect wire harness for control
unit.
2.6.1
Figure 11
Route control unit wire harness to
the trailer hitch control unit.
1
2
3
– Ground line for trailer hitch
– Ground pin 42
– Tie-wrap
Connect plug connection.  Figure
12 -aSecure control unit wire harness
with a tie-wrap ( Figure 12 -3-).
2.7
2.6.2
Route cable ring eyelet from ground
line for trailer hitch ( Figure 12
-1-) to ground pin 42 ( Figure 12 -2-).
2.6.3
Secure cable ring eyelets from ground line for trailer hitch and ground line from
control unit wire harness to ground pin 42.
Tightening torque 9 Nm
Figure 12
Insert fuses for trailer hitch into fuse strips as
follows ( Figure 13):
1
2
3
4
–
–
–
–
30-amp/fuse strip C
20-amp/fuse strip B
20-amp/fuse strip B
20-amp/fuse strip B
Figure 13
Dec 22, 2022
Page 8 of 12
Tequipment
Installation and Conversion Instructions
3
Macan (95B)
3/15
ENU
6690
6
Installing the trailer hitch
3.1
ONLY USA, Puerto Rico:
Mount cover plate with four screws M5 x 16
onto holder plate of towbar system.  Figure
16
1
2
– Screw, M5 x 16
– Cover plate
Figure 16
3.2
Remove dummy plug from rear closing panel.
 Figure 17
1
3.3
– Dummy plug
Installing the trailer hitch
Figure 17
3.3.1
Insert towbar system guide profile
into the longitudinal member on the
vehicle, position it and secure it with
four new screws, M10 x 105 x 45.
 Figure 18
1
– Screw, M10 x 105 x 45
Screw, M10 x 105 x 45 (4 ea.):
Tightening torque 50 Nm +90°
Figure 18
Tequipment
Dec 22, 2022
Page 9 of 12
6
Macan (95B)
6690
ENU
Installation and Conversion Instructions
3/15
3.3.2
Guide wire harness for towbar
system through rear closing panel
into the boot.
1
– Cable clip
Install grommet in rear wall. 
Figure 19 -ArrowInstall cable clip (wire harness for
towbar system) on bolt.  Figure
19 -1Figure 19
3.3.3
Route wire harness for trailer hitch
( Figure 20 -1-) to the trailer hitch
control unit.
1
2
3
– Wire harness for trailer
hitch
– Cable clip
– Bracket
Install cable clip ( Figure 20 -2-)
on back panel.
Install wire harness for trailer hitch
in the bracket ( Figure 20 -3-).
3.3.4
Figure 20
Connect plug connection for trailer
hitch preparation.  Figure 21 -11
2
– Connection to towbar
system preparation
– Towbar system control unit
connection
Connect plug connection to the
trailer hitch control unit.  Figure
21 -24
Dec 22, 2022
Page 10 of 12
Concluding work
Figure 21
4.1
Install side trim panel for right luggage compartment.  Workshop Manual '700319
Removing and installing rear luggage compartment side trim panel'
4.2
Installing cover for rear lock support.  Workshop Manual '703919 Removing and installing
cover for rear lock carrier'
Tequipment
Installation and Conversion Instructions
Coding:
5
Macan (95B)
3/15
ENU
6690
6
4.3
Installing (side) luggage compartment trim panel (luggage compartment cover). 
Workshop Manual '700619 Removing and installing side luggage compartment trim
(luggage compartment cover)'
4.4
Installing (center) luggage compartment trim panel (luggage compartment cover). 
Workshop Manual '700619 Removing and installing centre luggage compartment trim
(luggage compartment cover)'
4.5
Convert rear panel.  Workshop Manual '635619 Removing and installing rear trim
element'
4.6
Install rear bumper.  Workshop Manual '635519 Removing and installing rear bumper'
Code trailer hitch
NOTICE
Voltage drop
•
Risk of irreparable damage to control unit
•
Risk of damage to control unit
•
Fault entries in the control unit
•
Coding in the control unit is aborted
•
Malfunctions in control unit, even during programming

Switch off the ignition and remove the ignition key before disconnecting the control unit.

Ensure that the power supply is not interrupted during programming.

Connect a battery charger with a current rating of at least Nominal value 90 A to the vehicle
battery.
5.1
Connecting a battery charger.  Workshop Manual '2X00IN Battery trickle charge'
Information
The 9900 - PIWIS Tester III instructions take precedence since the description may be
different with later Tester releases.
The procedure described here has been structured in general terms; different text or
additions may appear on the 9900 - PIWIS Tester III.
5.2
9900 - PIWIS Tester 3 must be connected before switching on the ignition.
5.3
Select the required vehicle type. PIWIS Tester Diagnostics starts.
5.4
Maintenance of vehicle data
5.4.1
Select Additional menu by pressing •F7“. Question “Should a Vehicle Analysis
Log (VAL) be created?” Press •F11“ to confirm.
Tequipment
Dec 22, 2022
Page 11 of 12
6
Macan (95B)
6690
ENU
Installation and Conversion Instructions
3/15
5.4.2
Select the “Maintenance of vehicle data” function. Press •F12“ until “PR
numbers” appears in the Value group column.
5.4.3
In the ‘Family’ column: Select “Towbar system”.
Open the drop-down menu in the “Value” column and select “1D6 - Towbar system
without ball hitch (USA)”. Press •F12“ to continue.
5.4.4
Selected values are displayed. Press •F8“ to write values.
Wait until the message “Generation of vehicle data is complete. ...” appears.
5.4.5
Press •F12“ to switch to Report management.
5.4.6
Press •F10“ to open the log and check that vehicle equipment “1D6 - Towbar
system without ball hitch (USA)” is entered.
Close the log.
5.4.7
5.5
Press •F11“ to switch to the control unit overview.
Adapt coding
5.5.1
Select all control units with •Ctrl A“.
5.5.2
Switch to the “Codings/adaptations” menu.
5.5.3
Select function “Automatic coding”. Press •F12“ to continue.
5.5.4
Wait until the message “Coding has been completed successfully.“ appears. Press
•F12“ to continue.
5.5.5
Switch to the “Overview!” menu.
5.6
Read out error memories of all systems, remedy any existing errors and erase the error
memory.  Workshop Manual '0335IN Diagnostics maintenance: Diagnostic system and
maintenance inter...'
5.7
Switch off ignition and disconnect 9900 - PIWIS Tester 3.
5.8
Disconnect the battery charger.  Workshop Manual '2X00IN Battery trickle charge'
66 90 23 03:
–Retrofitted (mechanical) trailer hitch–
Includes:
Install and remove trailer hitch, rear panel, install and code
trailer hitch.
91 70 25 53:
–Lane Change Assist control unit programmed–
Includes:
Measure calibration plate on the vehicle.
Labor time: 235 TU
Labor time: 47 TU
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.
© 2022 Porsche Cars North America, Inc.
Dec 22, 2022
Page 12 of 12
Tequipment