Technical Service Bulletin
35 Gearbox Malfunction warning on, DTC P17F900 is stored in the TCM
35 21 40 2064312/2 December 22, 2021. Supersedes Technical Service Bulletin Group 35 number 21-39
dated October 20, 2021, for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A4/A5/Q5/A6/Q7

2021 –
2022

All

S-tronic transmission

Condition
REVISION HISTORY
Revision

Date

Purpose

2

-

Revised title
Revised Service (Added Note for PHEV models)
Revised Warranty (Updated Labor Operations for PHEV models)
Revised Required Parts and Tools (Added 0DK specific parts and corrected part
number in repair option 2)

1

10/20/2021

Initial publication

Customer states:
 The gearbox malfunction message is on.
Workshop findings:
The following DTC may be stored in the transmission control module (TCM), J217 (address word 0002):
 DTC P17F900 (Parking lock Mechanical malfunction) with symptom code 22345.
There may be various other DTCs indicating a low hydraulic pressure.

Technical Background
Not applicable.

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© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.

Technical Service Bulletin
Production Solution
Not applicable.

Service
Tip: Please read the entire work procedure before starting the actual work so the scope and number of the
repair options are understood completely.
If the DTC P17F900 with symptom code: 22345 is stored Active/Static (Figure 1) continue with this repair. If the
DTC is not active/static and/or the symptom code does not match, this TSB does not apply.

Figure 1. DTC code, active/static, and symptom code.
1. Follow Guided Fault Finding for the DTC and if the result of the test plan states to replace the Parking Lock
Solenoid N486 then proceed with this repair.

If Guided Fault Finding recommends a different repair this TSB does not apply.
2. If the result of the Guided Fault Finding test plan was to replace Parking Lock Solenoid N486 the next step is to
remove the Mechatronics unit per the Elsa Repair Manual.
3. After removing the Mechatronics unit perform a visual inspection of the installation of the bolts for pressure
filter 2 (Figure 2, Position 10 and 11) this is the smaller of the 2 canister filters installed to the mechatronics unit
with 3 bolts attaching the filter to the unit (Figure 3).

Page 2 of 9
© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.

Technical Service Bulletin

Figure 2. Mechatronics parts.

Figure 3. Bolt locations.

4. After inspecting the bolts there are 3 different repairs that can be performed depending on your findings:

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© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.

Technical Service Bulletin
Option 1
One or more bolts are loose (Figure 4).
You may also see the securing ring is not flush
to the valve body which would mean the bolts
are loose.

If the bolts are loose, replace pressure filter 2
along with the bolts as described in the
Workshop Manual. Claim Option 1 in the
Warranty Table below.

Figure 4. Loose bolts.

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© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.

Technical Service Bulletin
Option 2:
One or more bolt heads are broken off or
missing (Figure 5).

If any of the bolts are broken, replace the
Valve Body and reuse the Transmission
Control Module per the Elsa Repair Manual. (If
no valve body is available for your vehicle
replace the Mechatronics unit and note this on
the repair order). Claim Option 2 in the
Warranty Table below.

Figure 5. The bolt head is missing.
Option 3:
All 3 bolts are tight. Replace the Parking Lock
Solenoid N486 and the Pressure pipe for the

N486 (Figure 4) per the Elsa Repair Manual.
Claim Option 3 in the Warranty Table below.
Note:
PHEV Models require transmission removal
which requires the HV system to be
deactivated. Read and follow all of the Elsa
Repair Manual steps and safety precautions.

Figure 4. Pressure pipe for the parking lock solenoid.

5. After the repair, perform a test drive to confirm proper operation.

Warranty
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© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.

Technical Service Bulletin
Claim Type:

 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
 If the vehicle is outside any warranty, this Technical Service Bulletin is informational
only.

Service Number:

3511

Damage Code:

0010

Labor Operations:

Remove and install the mechatronic unit

3511 19XX

See SRT with
associated

(All three options)

operations
Check mechatronic unit

3511 0199

10 TU

Repair Option #1

Replace oil filter (pressure filter)

3488 5599

20 TU

Repair Option #2

Mechatronic disassemble and reassemble

3511 3750

See SRT with

(Replace valve body)

associated
operations

Repair Option #3

Replace hydraulic control unit

3482 5599

40 TU

Transmission remove and install

3435 19XX (Q5

See SRT with

PHEV and A7 PHEV associated

Diagnostic Time:

GFF

only)

operations

0150 0000

Time stated on
the diagnostic
protocol (Max 60
TU) (PHEV Max 90
TU)

Road test prior to service procedure

No allowance

0 TU

Road test after service procedure

0121 0004

10 TU

Page 6 of 9
© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.

Technical Service Bulletin
Claim Comment:

As per TSB #2064312/2

All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures

Manual. Claims are subject to review or audit by Audi Warranty.

Required Parts and Tools
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
All Repair options require the following parts:
Part Number

Part Description

Quantity

See ETKA

Fasteners, Bolts, Nuts, and Screws as needed per the Elsa See ETKA/ELSA
Repair Manual
25 (All except 0DK Transmission

N 10156207

Oval Hexagon socket head bolts (Pan Bolts)

PHEV)
29 (0DK Transmission PHEV)

0CK325107F

Tube

01

0CK321439A

Threaded plug

02

Gasket

01

Gasket (V671)

01

0CK301191A
(All except 0DK)

or
0DK321371
(0DK Transmission
PHEV only)
0DK315380
(0DK Transmission
PHEV only)

Page 7 of 9
© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.

Technical Service Bulletin
0DK 301 302 (0DK
Transmission PHEV

O-Ring

01

O-Ring

02

N 10739402

Bolt, hex head with shoulder

07

0CK325444

Gasket

01

0CK325445

Gasket

01

0CK325443

Gasket

01

0CK325446

Gasket

01

0CK927523

Gasket

01

0CK321371A

Gasket

01

only)
WHT 009 273 (0DK
Transmission PHEV
only)

Repair Option #1 Additional Parts:
Part Number

Part Description

Quantity

0CK325149D

Pressure Filter

01

0CK325371D

Cover with seal

01

N 10787901

Round Head Screw

04

0CK325421A

Suction Filter

01

N 10787701

Round Head Screw

02

Page 8 of 9
© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.

Technical Service Bulletin
Repair Option #2 Additional Parts:
Part Number

Part Description

Quantity

Order to VIN

Valve Body

01

N 10801101

Hexagon socket flat

03

N 91127901

Hexalobular flange screw

04

Repair Option #3 Additional Parts:
Part Number

Part Description

Quantity

0CK325497H

Hydraulic control unit (N486)

01

0CK301131B

Gasket

01

N 10710402

Oval hexagon socket head bolt

04

N 91126101

Hexagon socket flat head bolt

01

0CK325319A

Tube

01

N 91173601

Hexalobular flange screw

01

Additional Information
All parts and service references provided in this TSB (2064312) are subject to change and/or removal.
©2021 Audi of America, Inc. All rights reserved. Information contained in this document is based on the latest
information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time
without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be
modified or reposted to other sites without the prior expressed written permission of the publisher.

Page 9 of 9
© 2021 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights
of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without
the prior expressed written permission of the publisher.