No. 11-23 Service Bulletin/Repair Instructions

Installation and Conversion Instructions
Cayenne (9YA)

11/23
ENU
6690
6
Trailer Hitch (1D6)
Information

ONLY for additional parts to be ordered separately:

If necessary, check the additional scopes of the vehicle to be converted with the respective vehicle identification number (VIN) in the Porsche Electronic Parts Catalogue = PET before ordering.

Check model year, vehicle equipment (I-no.), body and country versions in the standard catalogue!
Information

Further information/technical values, instructions for using the trailer hitch and “Driving with a trailer” can be

found in the:

•
Vehicle Owner’s Manual Cayenne, topics: “Trailer Hitch”, “More Safety and More Driving Pleasure” and

“Weights”
•
Vehicle registration documents
Information

Please pass all this information on to the customer.

Also give the customer a copy of the first pages of these Installation and Conversion Instructions, including

the legal regulations.

Change

overview:
Revision
Date
Modification
0
02/20/2024
•
Original publication
1
07/17/2025
•
Update to Labor Operations
2
01/26/2026
•
Update of MY
Model Year:
As of 2024 up to 2025
Cause:
Retrofitting
Notes:
The new Cayenne can be retrofitted with a trailer hitch. Note the following special features:

•

•

•

•

•
Permissible tongue weight (vehicle) for E-Hybrid vehicles with 8-cylinder engine: max. 120 kg/ 264 lbs

Permissible tongue weight (vehicle) of max. 140 kg/ 308 lbs

Totally versatile wading depth

Convenient loading and safe parking is assured by removing the ball hitch/bar (mechanical trailer hitch

– 1D6)

Socket preparation for USA version
Tequipment
Jan 26, 2026

Page 1 of 13
6
Cayenne (9YA)

6690
ENU
•

•

•

•
Installation and Conversion Instructions
11/23
Payload following installation, restricted by higher vehicle kerb weight!

Permissible total weight and axle load must not be exceeded!

Vehicles with painted wheel arch extensions (6GK) or CarbonDesign package (2D3) or SportDesign

package (2D5) require NEW wheel arch extensions (rear), which must be ordered separately!

Vehicles with CarbonDesign package (2D3 – Basis or PD1 / PD2 / PD3 – Coupé) require a NEW rear

panel, which must be ordered separately!
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 .

Parts Info:
ONLY valid for vehicles up to MY25 (S):

9Y0.044.840.08
⇒ Trailer hitch, mechanical – USA (1D6)
ONLY for vehicles with SportDesign package Carbon (2D3 - Basic or PD1 / PD2 / PD3 - Coupè): Also order

the following, depending on country/market:

9Y0.807.834.H.03G
1x
⇒ Rear panel – open, carbon gloss, black – 1D6
ONLY for vehicles with painted wheel arch extensions (6GK) or Carbon Design package (2D3) or SportDesign

package (2D5), also order the following:
Jan 26, 2026

Page 2 of 13
9Y3.854.731.C.G2X
1x
⇒ Coupé wheel cover, rear left; ready-primed – AUS (6GK)
9Y3.854.732.C.G2X
1x
⇒ Coupé wheel cover, rear right; ready-primed – AUS (6GK)
9Y0.854.731.D.G2X
1x
⇒ Wheel cover, rear left; ready-primed - AUS (6GK)
9Y0.854.732.D.G2X
1x
⇒ Wheel cover, rear right; ready-primed - AUS (6GK)
Tequipment
Installation and Conversion Instructions
Cayenne (9YA)

11/23
ENU
6690
6
Parts List:
Figure 3

Parts included with trailer hitch – mechanical – USA/Canada (1D6 ⇒ Figure 3):

PAF.910.398.02
9Y0.803.881.A1
955.722.030.002

9Y0.907.297

PAB.907.383.C

———
Tools:
8x
Þ Figure 3 -1Hexagon-head bolt, M12 x 1.5 x 90 ⇒
1x
Þ Figure 3 -2Trailer hitch incl. wire harness – USA/Canada (1D6) ⇒
1x
Þ Figure 3 -4Plug Trailer hitch ⇒
1x

1x
Þ Figure 3 -5Trailer hitch control unit connector ⇒
1x
Þ Figure 3 -6Trailer hitch control unit ⇒
955.044.000.28
1x
Þ Figure 3 -7Wiring harness for power supply (terminal 30) ⇒

Þ Figure 3 -8Ball hitch –removable– USA/Canada ⇒
———
1x
Þ Figure 3 -9“Electric Brake” sticker – identification ⇒
———
10 x
Tie-wrap, 150 mm (not shown)
1
ONLY contained in respective set.
2
Already installed on the trailer hitch.
Nr.88 - Torque angle torque wrench

P90999 - P90999 - PIWIS Tester 4
Tequipment
Jan 26, 2026

Page 3 of 13
6
Cayenne (9YA)

6690
ENU
Installation and Conversion Instructions
11/23
Disassembly tool

Saw or vibrating knife

Steel drill bit, Ø up to 8.0 mm

Tap, M12 x 1.5

Round/flat file

Side cutters

Drill

Flat scraper

Knife

Assembly:
1
Preliminary work

1.1
Connect the battery charger. ⇒ Workshop Manual '2X00IN Battery trickle charge'
1.2
Raise the vehicle. ⇒ Workshop Manual '4X00IN Raising the vehicle'
1.3
Remove bumper rear. ⇒ Workshop Manual '635019 Removing and installing bumper rear'
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 Trailer hitch – mechanical - (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.
1.7
ONLY for vehicles WITH Carbon Design package (2D3 or PD1 / PD2 / PD3):

Replace the rear panel – closed (shiny carbon, black) with the new rear panel – open (shiny

carbon, black). ⇒ Workshop Manual '63561940 Removing and installing rear panel (trim strip)'
1.8
ONLY for vehicles WITHOUT Carbon Design package (2D3 or PD1 / PD2):

Make a cut-out for the (removable/pivoting) ball hitch in the rear apron

1.8.1
Jan 26, 2026

Page 4 of 13
Remove the 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 (trim strip)'
Tequipment
Installation and Conversion Instructions

1.8.2
11/23
ENU
6690
6
Mark the cut-out for the ball hitch

(removable – USA) at the impression

Þ

on the inside of the rear apron (⇒

Figure 5 -A-).

1

2
3
– Yellow = Marking for

cut-out for removable ball

hitch (1D6)

– White = Marking for

cut-out for electrically

extendable ball hitch (1D3)

— Not applicable for NAR

– “Virtual pedal” antenna

lines
Information

Mask the sawing area to prevent

damage.
2
Cayenne (9YA)
Figure 5
1.8.3
Þ Figure 5 -B-, 1D6

Carefully make the cut-out along the marking (example for 1D3: ⇒

accordingly).
1.8.4
De-burr cut edges with a knife or file.
1.8.5
Install the 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 (trim strip)'
Installing the trailer hitch

2.1
Secure trailer hitch to the vehicle

2.1.1
Install the trailer hitch using 8 new

bolts (M12 x 1.5 x 90) at the left

and right and tighten hand-tight.

⇒ Figure 6

1

2
– 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

Þ

the 8 bolt heads M12 x 1.5 x 90. ⇒

Figure 6 -Magnifier-
2.1.3
Tighten trailer hitch fully.

Tightening torque 110 Nm (81.1 ftlb.)
Tequipment
Figure 6
Jan 26, 2026

Page 5 of 13
6
Cayenne (9YA)

6690
ENU
Installation and Conversion Instructions
11/23
NOTICE

Incorrect line routing

•
Risk of damage to lines and hoses
•
Risk of malfunction and storing fault codes in the control unit
Þ

⇒
Avoid small bending radii when routing lines.
Þ

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

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

2.2
Route the electric wiring harness for the trailer hitch in the passenger compartment. See also:

⇒ Workshop Manual '972419 Removing and installing wire harness for trailer hitch'

2.2.1
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
– Wire harness for trailer

hitch

– Rubber sleeve (wire

harness)

– Cable tie
2.2.2
Insert rubber sleeve (wire harness)

into the bore (Ø 40 mm) on the body.
2.2.3
Install tie-wraps for wire harness (2

x) on threaded bolts on the outside of

the vehicle. ⇒ Figure 7

Figure 7
2.3
Check pin assignment in connector B on the

vehicle side (6-pin; trailer hitch preparation).

⇒ Figure 8

1

2

3

4
– Connector B (6-pin; trailer hitch

preparation)

– Connector B, chamber 1

– Connector B, chamber 6

– Fuse holder H (strip B – white)
Are chambers 1 (swivel motor) and 6 (charge

line) - both on terminal 30 - used?

•
Jan 26, 2026

Page 6 of 13
Yes: ⇒ Continue with Step 2.4
Tequipment
Figure 8
Installation and Conversion Instructions

•
Cayenne (9YA)

11/23
ENU
6690
6
No: Carry out the following work.
2.3.1
Remove fuse holder H (strip B –

white) from the fuse box in the

Þ Figure 9

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