Technical Service Bulletin
37H5 UPDATE – Multitronic (NVLW)
May 13, 2014
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A4, A5 Cab,
A6

2012 - 2013

See Campaign/Action screen in Elsa

None

Condition
This Update has been proactively released to prevent the following condition from occurring in the vehicle:
Due to a process fault, the gearbox was filled with ATF fluid containing sulphur on Audi vehicles with multritronic
manufactured within a specific period. As a result, a copper sulphide layer may form on the conductor tracks of
the gearbox control unit and cause electrical faults.
This Update is in effect until removed.
Vehicle must meet all of the following criteria:
• Procedure is valid only for vehicles that show the 37H5 code in the Elsa Campaign/Action Information screen
on the day of repair.
• Vehicle must be within the New Vehicle Limited Warranty.
• Procedure must be performed within the allotted time frame stated in this Technical Service Bulletin.
• Procedure must be performed on applicable vehicles in dealer inventory prior to sale.

Technical Background
Due to a process fault, the gearbox was filled with ATF fluid containing sulphur on Audi vehicles with multritronic
manufactured within a specific period. As a result, a copper sulphide layer may form on the conductor tracks of
the gearbox control unit and cause electrical faults.

© 2014 Audi of America, Inc.

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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
Service
Overview of Steps
All steps must be performed in the following order.
1. Drain ATF
2. Fill ATF
3. First purging procedure
4. Drain ATF
5. Fill ATF
6. Second purging procedure
7. Drain ATF
8. Replace gearbox control unit
9. Fill ATF and then check and correct ATF level
10. Adapt gearbox control unit.

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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
Draining ATF (Step 1, Step 4, Step 7)
Caution! Risk of damage to gearbox. The engine must not be started if there is only a small amount
or no ATF in the gearbox.
1. Put vehicle on hoist and ensure vehicle is
level.
2. Remove rear noise insulation.

3. Remove ATF inspection plug .
4. Allow ATF to drain into used oil collection
and extraction unit.

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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
5. Pull fluid level pipe out of the ATF
inspection hole using hook and
drain off remaining ATF.

6. O-ring must be correctly fitted in groove
on fluid level pipe.
7. Carefully push fluid level pipe by hand
into ATF inspection hole , ensuring that
it is straight.

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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
8. The O-ring on the fluid level pipe
provides a seal to the upper fluid level pipe
. The ATF level can only be adjusted
correctly if this connection is properly
sealed.
9. Install fluid level pipe (only replace
before the third filling procedure).

Filling ATF (step 2, step 5)
The ATF charging device must be clean and the
ATF must not be missed with other type of ATF
fluid!
Only use ATF for the gearbox “multitronic 0AW”.

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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
1. Secure filled reservoir for ATF charging
device as high as possible on vehicle.
2. Stopcock on ATF charging device for CVT
gearboxes must be closed.

3. Remove O-ring from connection of
the ATF charging device for CVT gearboxes
.

Caution! Risk of filling up gearbox
incorrect:
The connection must be screwed hand
tight all the way into the inspection hole on
the gearbox with the O-ring removed.
The O-ring must be removed at the
connection so that the fluid level pipe in
the inspection hole can be pressed into the
upper position. Only then can the ATF level
be checked and topped up to the maximum
correctly.

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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
4. With O-ring removed, screw connection of
ATF charging device for CVT gearboxes
hand tighten all the way into
threaded hole for ATF inspection plug. This
will push the fluid level pipe into the correct
installation position.
5. Turn stopcock in direction of filling hose
. The ATF will run into the
gearbox.
6. Fill 5.5 to 6.0 L of ATF into gearbox.
7. Move selector lever to “P”
8. Start engine.
9. Briefly bring engine speed to 2500 rpm.
10. Apply brake pedal and switch through
selector lever positions “P, R, N, D, S”,
staying in each position for 2 seconds.
11. Move selector lever to “P” and allow engine
to run at idling speed.
12. Unscrew connection on stopcock of ATF
charging device for CVT gearboxes from opening for ATF inspection
plug.
13. Allow excess ATF to drain off.
14. Secure ATF inspection plug (reuse old
plug). Tightening torque: 30 NM
Purging procedure (step 3, step 6)
Caution! Risk of damage to gearbox. Do not run the engine without ATF and do not tow vehicle.
1. Start engine.
Perform 5 times
2. Move selector lever to “D”.
3. Move selector lever into “tiptronic gate”.
4. Accelerate vehicle by pressing the
accelerator pedal gently. Note the gear
position display in the instrument cluster.
5. Change up from first gear into the highest
gear by pushing the selector lever towards
“+”.
6. Then change back down into first gear by
pulling the selector lever towards “-“.
7. Brake the vehicle to a standstill.
8. Move selector lever to “R”.

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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
9. Accelerate vehicle to 12 mph by pressing
the accelerator pedal gently.
10. Brake the vehicle to a standstill.
Replacing gearbox control unit (step 8)
1. Apply lifting column of engine and gearbox
jack to gearbox from below
(with gearbox support attached).
Risk of accident. Engine and gearbox jack
must remain in position when work is being
carried out and must not be left unattended.

VAS 6931

2. Remove bolts for tunnel cross
member. Tightening torque: 70 Nm

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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
3. Remove bolts and detach tunnel
cross member. Tightening torque: 20 Nm

4. Unscrew bolts and detach
gearbox support from gearbox together with
gearbox mounting.
Tightening torque: 40 Nm

© 2014 Audi of America, Inc.

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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
5. Use removal lever 80 – 200 to press ball
socket on selector lever cable off
gearbox selector lever.
6. Remove bolts for cable support
bracket. Tightening torque: 8 NM
Caution! Risk of irreparable damage to
gearbox control unit due to static discharge.
Before toughing connectors, the mechanic must
first discharge static by briefly touching vehicle
ground, lifting platform or heater radiator.
7. Unplug electrical connector on gearbox by
turning fastener cap counter clockwise

8. Place used oil collection and extraction unit
under gearbox.
9. Remove bolts and detach end
cover.

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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
10. If fitted, detach displacer plate .

11. Unscrew bolts and pull automatic
gearbox control unit out without
tilting it.
12. Remove twin-lip seal .

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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
13. Clean selector shaft detents . Only
use lint-free cloths. When doing so, take
particular care to remove metal swarf or the
like from the contact surfaces of the
magnets.

14. Before fitting automatic gearbox control unit
lubricate new O-rings on
hydraulic control unit with ATF.

Ignore arrows.

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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
15. Slide control unit on, taking care not to tilt it.
Make sure that connectors on back of
control unit mate correctly with connectors
, and on hydraulic control unit.

16. Tighten bolts . Tightening torque:
5 Nm +90°
17. Slide seal onto connector with twin
lips facing outwards. Do not tough the pins
in connector with your fingers.

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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
18. If fitted, attach displacer plate to
automatic gearbox control unit .
19. Clean sealing surfaces on gearbox housing
and end cover.
20. Dowel sleeves in gearbox housing or end
cover must be re-fitted in same places.
21. Place gasket for end cover onto gearbox
housing.

22. Fit end cover, ensuring that gasket is
seated correctly.
23. Check installation position of seal . The
seal must be flush; the sealing lips must not
be kinked.
24. Tighten bolts in diagonal
sequence until hand-tight and then tighten
to specified torque. Tightening torque: 10
Nm +90°.

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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
25. Shift gearbox selector lever towards rear as
far as it will go to “P”.
26. Carefully press ball socket of selector lever
cable onto gearbox selector lever in this
position.

Filing up ATF and then checking and correcting ATF level (step 9)
The ATF charging device must be clean and the