Service

Technical Information

151/20 ENU

3735

3

Spare Parts Requirements for Rear-Axle Final Drive - Observe Specified Procedure
(151/20)
Model Line:

Taycan (Y1A)

Model Year:

2020

Subject:

Spare parts requirements for rear-axle final drive

Information:

Due to different software versions used during production of the rear-axle final drive, there is
no guarantee that the software of the new final drive will match the vehicle software on model
year L (2020) vehicles.

Remedial
Action:

Check the part number of the new rear-axle final drive and also install a new servo motor if necessary.
Following installation, teach the rear-axle final drive with new servo motor as described under  Technical
Information 'Replacing servo motor and adapting rear-axle final drive'.

Information
Once the PIWIS Tester test software version 39.900.000 becomes available (probably from week
48/20), the procedure described in the TI (Technical Information) will no longer be necessary. For
spare parts requirements in the event of repairs, proceed as described in the Workshop Manual, see 
Workshop Manual '373519 Removing and installing automatic transmission (with electric motor)'.
Parts Info:

Affected part numbers for which a new servo motor must be used.
Part No.

Designation

9J1901141B

Drive motor for electric drive on rear axle (complete)

9J1901153E

Drive motor for electric drive on rear axle (complete)

9J1901153D

Drive motor for electric drive on rear axle (complete)

Required tools
Tools:

•
•

9900 - PIWIS Tester 3 with PIWIS Tester test software version 39.700.020 (or higher) installed
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 Battery charger, 90 A

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Sep 25, 2020
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Service

Technical Information

ENU 151/20

3735

Parts required if necessary
Parts Info:

Part No.

Designation
– Use

Qty.

0ME325835E

 Gear actuator
– Rear axle differential

1 ea.

PAF009212

 Round head screw
– Gear actuator

2 ea.

Checking part number on new rear-axle final drive
Work Procedure: 1

Check part number on the new rear-axle final drive  Label on rear axle differential -1-.

Label on rear axle differential
•

If the part number is 9J1901141B, 9J1901153E or 9J1901153D, a new servo motor must be
used, see  Technical Information '373519 Replacing servo motor and adapting rear-axle final
drive'.

•

If the part number is not 9J1901141B, 9J1901153E or 9J1901153D, end of action required.
Install rear-axle final drive as described in the Workshop Manual, see  Workshop Manual
'373519 Removing and installing automatic transmission (with electric motor)'.

Replacing servo motor and adapting rear-axle final drive
Work Procedure: 1

2

Sep 25, 2020
Page 2 of 4

Install new servo motor on the rear-axle final drive, see  Workshop Manual '377519 Removing
and installing servo motor (electric gear actuator)'.
Install rear-axle final drive, see  Workshop Manual '373519 Removing and installing automatic
transmission (with electric motor)'.

AfterSales

Service

Technical Information

151/20 ENU

3

Connect and switch on battery charger.

4

Connect the PIWIS Tester to the vehicle and switch on the PIWIS Tester.

5

Establish operational readiness.

6

Start diagnostics.

7

Select the 'Engine electronics (DME)' control unit in the control unit overview.

3735

3

7.1

Select the 'Replace servo motor (clutches)' function in the 'Maintenance/repairs'
menu and perform the procedure according to menu guidance.

7.2

Select the 'Clutch slip function test' function, select 'Delete clutch fault' and perform the
procedure according to menu guidance.

7.3

Then, select the 'Adapt transmission' function and perform the procedure according to
menu guidance.

Information
The specified sequence (6.1 - 6.3) must always be observed in order to ensure that the rear-axle final
drive is taught correctly.
8

Read out and erase fault memory.

9

End operational readiness and disconnect the PIWIS Tester and battery charger from the vehicle.

Information
After adapting the rear-axle final drive, the electric motor must be re-calibrated.
• To do this, accelerate to at least 60 km/h (38 mph)
• Then, maintain an overrun phase for at least 1 second
The electric motor is calibrated during the overrun phase.
Once calibration is complete, the vehicle speed restriction in overrun is lifted immediately. The "Reduced
speed" warning message in the instrument cluster is reset after switching the ignition off and on again
(terminal 15 change).

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Service

Technical Information

ENU 151/20

3735

Invoicing
Invoicing:

For documentation and warranty invoicing, select the labor operations and PQIS coding specified below
for the relevant repairs and enter them in the warranty claim:
I No.

APOS

Labor operation

37751950

Removing and installing servo motor

37351950

Removing and installing automatic transmission

42011903

Removing and installing rear axle (air springs)

42011900

Removing and installing rear axle (steel springs)
PQIS coding:

Location (FES5)

37350

Automatic transmission

Damage type (SA4)

9735

Repair in accordance with PAG instructions

Parts Info:

References:

Part No.

Designation
– Use

Qty.

0ME325835E

Gear actuator
– Rear axle differential

1 ea.

PAF009212

Round head screw
– Gear actuator

2 ea.

 Workshop Manual '373519 Removing and installing automatic transmission (with electric motor)'
 Workshop Manual '377519 Removing and installing servo motor (electric gear actuator)'

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.

© 2020 Porsche Cars North America, Inc.

Sep 25, 2020
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AfterSales