NHTSA ID Number: 11028376
Manufacturer Communication Number: No. 4-22
TSB/Document Date: 2026-02-05
Summary
Installation and conversion instructions on the trailer hit for the Macan - MY22-26
2.3
Macan (95B)
– Wire harness for control unit (RdW
version)
– Wire harness for control unit
(USA/Australia version)
– Branch for electric towbar system
button
2.3.1
Remove branch for button for electric
Þ Figure 6 -1-) and
towbar system (⇒
other branch from the RdW version
wiring harness.
2.3.2
Complete wire harness
Þ Figure 6
USA/Australia version (⇒
-B-).
Connect branch for power supply (control unit
wiring harness)
Tequipment
Figure 6
Jan 8, 2026
Page 5 of 16
6
Macan (95B)
6690
ENU
Installation and Conversion Instructions
4/22
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 longiÞ Figure 7 -a-).
tudinal member (⇒
Figure 7
2.4.2
Release locks of fuse strip C and
fuse strip B. Remove fuse strips B/C
Þ Figure 8
by pulling them down (⇒
-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
Þ
and C on both sides and unclip it (⇒
Figure 9 -a-).
1
2
– Locking
– Bottom cap
Figure 9
Jan 8, 2026
Page 6 of 16
Tequipment
Macan (95B)
Installation and Conversion Instructions
2.4.4
4/22
ENU
6690
6
Use a screwdriver to open the
secondary lock on fuse strips B and
Þ Figure 10 -a-).
C (⇒
1
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
Þ
⇒
2
RD/YE line
Þ
⇒
3
RD/BU line
Þ
⇒
4
Fuse strip C, 2.5 mm2
RD/WH line
Chamber
Þ
⇒
1
2.4.6
Close secondary lock on fuse strips B and C.
2.4.7
Install cap on fuse strips B and C.
2.4.8
Insert fuse strips C and B into the fuse box in the luggage compartment.
Tequipment
Jan 8, 2026
Page 7 of 16
6
Macan (95B)
6690
ENU
2.5
Securing fuse box in the luggage compartment.
1
2
2.6
Installation and Conversion Instructions
4/22
– Hexagon nut
– Fuse box (luggage compartment)
2.5.1
Install fuse box (luggage
compartment) into the openings on
Þ Figure
the longitudinal member (⇒
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
Þ Figure
Connect plug connection (⇒
12 -a-).
Secure control unit wire harness with
Þ Figure 12 -3-).
a tie-wrap (⇒
2.7
2.6.2
Route cable ring eyelet from ground
Þ Figure 12 -1-)
line for trailer hitch (⇒
Þ Figure 12 -2-).
to ground pin 42 (⇒
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 (6.5 ftlb.)
Secure towbar system as shown in Figure 13
(⇒ Figure 13).
1
2
3
4
3
Figure 12
–
–
–
–
30-amp/fuse strip C
20-amp/fuse strip B
20-amp/fuse strip B
20-amp/fuse strip B
Installing the trailer hitch
3.1
ONLY Australia, New Zealand:
Install wire harness with trailer socket.
Figure 13
Jan 8, 2026
Page 8 of 16
Tequipment
Installation and Conversion Instructions
3.1.1
Macan (95B)
4/22
ENU
6690
6
Install metal plate adapter with four
screws M5 x 16 on towbar system
(⇒ Figure 14).
1
2
– Adapter for metal plate
– Screw, M5 x 16
Figure 14
3.1.2
Thread trailer socket through holder
Þ Figure 15
plate on towbar system (⇒
-top-).
1
2
3
– Wire harness for trailer
hitch
– Trailer socket
– Screw
Secure trailer socket on the holder
plate with three screws (⇒ Figure
15).
Figure 15
3.2
ONLY USA, Puerto Rico:
Mount cap with four screws M5 x 16 onto
holder plate of towbar system (⇒ Figure 16).
1
2
– Screw, M5 x 16
– Cover plate
Figure 16
Tequipment
Jan 8, 2026
Page 9 of 16
6
Macan (95B)
6690
ENU
3.3
Remove dummy plug from rear closing panel
(⇒ Figure 17).
1
3.4
Installation and Conversion Instructions
4/22
– Dummy plug
Installing the trailer hitch
Figure 17
3.4.1
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 (37 ftlb.)
+90°
Figure 18
3.4.2
Guide wire harness for towbar
system through rear closing panel
into the boot.
1
– Cable clip
Þ
Install grommet in rear wall (⇒
Figure 19 -Arrow-)
Install cable clip (wire harness for
Þ Figure 19
towbar system) on bolt (⇒
-1-).
Figure 19
Jan 8, 2026
Page 10 of 16
Tequipment
Installation and Conversion Instructions
3.4.3
Macan (95B)
4/22
ENU
6690
6
Route wire harness for trailer hitch
Þ Figure 20 -1-) to the trailer hitch
(⇒
control unit.
1
2
3
– Wire harness for trailer
hitch
– Cable clip
– Bracket
Þ Figure 20 -2-)
Install cable clip (⇒
on back panel.
Install wire harness for trailer hitch in
Þ Figure 20 -3-).
the bracket (⇒
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TSB/Document ID: No. 4-22
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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