Installation and Conversion Instructions

Cayenne (9YA)
29/18

ENU

6690

6

Trailer Hitch (I-no. 1D6 or 1D3/1D9)

Revision:

This bulletin replaces Group 6, #29/18, dated October 8, 2019.
- Additional information notes added
- Additional work procedure steps were added

Model Year:

As of 2018

Information:

Retrofitting
Information
Background:
Technical modifications (additions/conversions) made between the vehicle delivery date (reference point
for creation of the Certificate of Conformity (CoC) document) and the date of first registration can render
the CoC document and the actual vehicle configuration inconsistent, thereby failing to comply with the
requirement for WLTP certification.

Figure 1
Note:

The new Cayenne can be retrofitted with a trailer hitch ( Figure 1). Note the following special features:
•
•
•
•
•
•

Permissible hook load of 309 lbs (140 kg)
Totally versatile wading depth
Convenient loading and safe parking is assured by removing the ball hitch/bar (mechanical trailer
hitch – 1D6) or retracting the ball hitch at the touch of a button (electric trailer hitch – 1D3 or 1D9)
Payload following installation, restricted by higher vehicle curb weight!
Gross vehicle weight and axle load must not be exceeded!
Vehicles with SportDesign package Carbon (2D3 or PD1/PD2/PD3) require a NEW rear panel, which
must be ordered separately.

Tequipment

Jan 10, 2020
Page 1 of 18

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Cayenne (9YA)
6690

ENU

Installation and Conversion Instructions

29/18

The trailer hitches for the respective market are also available straight from the factory for new vehicles
by requesting optional equipment "1D6" = mechanical trailer hitch or "1D3" = electric trailer hitch (from
June 2018; up to May 2018 = "1D9").

Parts Info:

9Y0.044.840.01

 Trailer hitch, mechanical – USA (1D6)

ONLY for vehicles with Comfort Access (4F2/4F6 – Powerlift tailgate with virtual pedal): Also order the
following:
WHT.005.450

8x

 Tie-wrap

ONLY for vehicles with SportDesign package Carbon (2D3 or PD1 / PD2 / PD3): Also order the following,
depending on country/market:
9Y0.807.834.H.03G

1x

 Rear panel - open, shiny carbon, black – USA

Parts list:

Figure 2

Jan 10, 2020
Page 2 of 18

Tequipment

Installation and Conversion Instructions

Cayenne (9YA)
29/18

ENU

6690

6

Figure 3
Parts included with trailer hitch – mechanical (1D6  Figure 3 ):
PAF.910.398.02

8x

Hexagon-head bolt, M12 x 1.5 x 90  Figure 3 -1-

9Y0.803.881.A

1x

Trailer hitch incl. wire harness – USA/Canada (1D6)  Figure 3 -2-

955.722.030.001

1x

Stopper for trailer hitch  Figure 3 -4-

9Y0.907.297

1x

Trailer hitch control unit bracket  Figure 3 -5-

9A7.907.383.01

1x

Trailer hitch control unit  Figure 3 -6-

———

1x

Wiring harness for power supply (terminal 30)  Figure 3 -7-

955.044.000.28

1x

Ball hitch –removable– USA/Canada  Figure 3 -8-

———

1x

"Electric Brake" sticker – identification  Figure 3 -9-

———

10 x

Tie-wrap, 150 mm (not shown)

1

Already fitted on the trailer hitch!

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Cayenne (9YA)
6690

Tools:

ENU

Installation and Conversion Instructions

29/18

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
Drill

Tap, M12 x 1.5

Round/flat file

Side cutters

Flat scraper

Plastic wedge

Shop light

Knife
Fitting:

1

Preparatory work
1.1

Connect battery charger (  Workshop Manual '2X00IN Trickle charging 12-volt lithium-ion
battery').

1.2

Raise the vehicle (  Workshop Manual '4X00IN Lifting the vehicle')

1.3

Remove rear bumper (  Workshop Manual '635019 Removing and installing rear bumper')

1.4

Expose connector B (6-pin)/connector C
(10-pin) on trailer hitch preparation near
the fuse box in the luggage compartment
( Figure 4 ).
1
2
3

– Connector B (6-pin)/connector C
(10-pin)
– Ground pin MB25
– Fuse box in luggage compartment,
left

Carefully remove foam.
1.5

Figure 4
ONLY for –mechanical– trailer hitch (1D6):
Expose connection point (connector, 2-pin) for brake booster preparation in the luggage
compartment area at the left.

1.6

Check that the bolt threads and contact surfaces for securing the trailer hitch are not dirty.
Clean them and re-cut the threads using an M12 x 1.5 tap if necessary.

NOTICE
Incorrect line routing
•

Risk of damage to lines and hoses

•

Malfunction and fault memory entry on control unit



Avoid small bending radii when routing lines.



File down edges and burrs in the routing area or mask them with adhesive tape.



Maintain a sufficient distance from components exposed to high temperatures while driving.

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Tequipment

Installation and Conversion Instructions
1.7

29/18

ENU

6690

6

ONLY for vehicles with Comfort Access
(4F2/4F6) – Powerlift tailgate with virtual
pedal:
Convert "Virtual pedal" antenna line in the rear
apron
1
2
3
4
5

1.7.1

1.8

Cayenne (9YA)

– "Virtual pedal" antenna line
– Control unit for "Virtual pedal"
antenna line
– Positions of tie-wraps on adhesive
pads
– Tie-wrap with adhesive pad
– New line routing for "Virtual pedal"
antenna line
Carefully remove "Virtual pedal"
antenna line with holder and
tie-wraps (7 x) from the inside of the
rear apron ( Figure 5 -1-).

Figure 5

1.7.2

Carefully cut open tie-wraps on adhesive pads and remove tie-wraps (7 x) from
antenna line.

1.7.3

Clean bonding area in the new antenna line routing area to remove any dust and
grease ( Figure 5 -3-).

1.7.4

Stick on new adhesive pads (7 x) with tie-wraps at the markings.

1.7.5

Secure "Virtual pedal" antenna line in new tie-wraps (7 x) and cut off excess length
of tie-wraps.

ONLY for vehicles WITH SportDesign package Carbon (2D3 or PD1 / PD2 / PD3):
Replace rear panel – closed (carbon gloss, black) with new rear panel – open (carbon gloss,
black) (  Workshop Manual '63561940 Removing and installing rear panel (moulding)')
Information
Mask the sawing area to prevent damage.

1.9

ONLY for vehicles WITHOUT SportDesign package Carbon (2D3 or PD1/PD2/PD3):
Make a cut-out for the (removable/pivoting) ball hitch in the rear apron.
1.9.1

Remove rear panel (moulding) in black matt (2JB) or stainless steel (2JX) on
the bottom of the rear apron (  Workshop Manual '63561940 Removing and
installing rear panel (moulding)').

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Cayenne (9YA)
6690

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Installation and Conversion Instructions

29/18
1.9.2

Mark the cut-out for the ball hitch at
the impression on the inside of the
rear apron ( Figure 6 -top-).
1
2

2

1.9.3

Carefully make the cut-out at the
marking ( Figure 6 -bottom-).

1.9.4

De-burr cut edges with a knife or
file.

1.9.5

Install rear panel (moulding) in black matt (2JB) or stainless steel (2JX) on the
bottom of the rear apron (  Workshop Manual '63561940 Removing and
installing rear panel (moulding)').

Figure 6

Install trailer hitch
2.1

Secure trailer hitch to the vehicle
2.1.1

Fit the trailer hitch using 8 new bolts
(M12 x 1.5 x 90) at the left and right
and tighten hand-tight.
1
2

2.2

Jan 10, 2020
Page 6 of 18

– Red = Marking for cut-out
for removable ball hitch
– Yellow = Marking for
cut-out for electrically
extendable ball hitch

– Trailer hitch (electric)
– Screw, M12 x 1.5 x 90

2.1.2

Align bolt guides for the trailer hitch
(8 x) symmetrically with respect to
the 8 bolt heads (M12 x 1.5 x 90)
( Figure 7 -inset-).

2.1.3

Tighten trailer hitch fully.
tightening torque 110 Nm

Figure 7

Route electric wire harness for trailer hitch in the passenger compartment (see also 
Workshop Manual '972419 Removing and installing wire harness for trailer hitch')

Tequipment

Installation and Conversion Instructions
2.2.1

29/18

ENU

6690

6

Remove dummy plug (Ø 40 mm)
from side panel on the vehicle at
the left and guide wire harness
for trailer hitch into the luggage
compartment.
1
2
3

2.3