Technical Service Bulletin
01 MIL on (DTC P1B1C); message in information panel: "Coolant System: Fault Turn Off Engine"
01 16 56 2040491/3 March 24, 2016. Supersedes Technical Service Bulletin Group 01 number 16-52 dated
January 20, 2016 for reasons listed below.

Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A4, A5, A5
Cabriolet, Q5,
A6, A7, A8

2012 - 2015

All

3.0T with flow-controlled water pump

Condition
REVISION HISTORY
Revision

Date

Purpose

3

-

Revised Required Parts and Tools (Updated coolant part number)

2

1/20/2016

Revised Service (Updated software version in SVM table)
Revised Warranty (Updated Service Number; corrected TU)

1

6/9/2015

Initial publication

• MIL on.
• The following warnings appear in the information panel:
• “Coolant System: Fault Turn Off Engine”
• Coolant symbol (Figure 1).
• The following DTC is stored in the engine control module (ECM), J623 (address word
01):
• DTC P1B1C00 (Coolant pump mechanical malfunction)

Figure 1. Coolant
symbol.

Technical Background
The condition is caused by one of the following scenarios:
• Scenario A: There is a defect with the thermostat (in model year 2012 and 2013 vehicles)
• Scenario B: The diagnostic software is incorrectly displaying the warning. No technical issue exists.

© 2016 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
Production Solution
• Scenario A: Improved thermostat installed in production.
• Scenario B: The diagnostic software has been updated.

Service
1. Check Coolant Temperature in freeze frame data:

Engine speed

958.0 1/min

Normed load value

13.33 %

Vehicle speed

107

km/h

Coolant temperature

102

°C

Intake air temperature

18

°C

Ambient air pressure

990

mbar

2. • If coolant temperature is 115°C or higher, Scenario A applies. Replace the thermostat and update the
ECM software.
• If coolant temperature is less than 115°C, Scenario B applies. Update the ECM software only.

SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the ECM (J623) using the SVM action code as listed in the table below if necessary.

© 2016 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
Model

Engine

Old Software
Part Number

Old Software
Version

4G0907551A
A6, A7

A4, A5,
A5 cabriolet

3.0L TFSI

3.0L TFSI

New Software
Part Number

New Software
Version
(or higher)

4G0907551A

0010

4G0907551D

0006

4G0907551J

4G0907551J

0004

8K5907551C

8K5907551E

0004

8K5907551E

8K5907551E

0004

4G0907551D

8K5907551F

All

All

SVM
Code
Input

02A210

02A210
8K5907551G

0007

4H0907551G

0005

8R0907551E

8R0907551F

0007

8R0907551F

8R0907551F

0007

8R0907551G

0006

8R0907551A

8R0907551A

0003

8R0907551G

8R0907551G

0006

8K5907551G
A8

Q5

3.0L TFSI

3.0L TFSI

© 2016 Audi of America, Inc.

4H0907551G

8R0907551D

All

All

02A210

02A210

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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
Warranty
Claim Type:

Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin
is informational only.

Service Number:

For Scenario A: 1958
For Scenario B: 2470

Damage Code:

0010

Labor Operations: For Scenario A:
Thermostat remove+reinstall

1958 1991

250 TU

1958 1991

270 TU

1958 1991

220 TU

Compressor remove+reinstall (For A6, A7, A8)

2114 1941

160 TU

Compressor remove+reinstall (For A4, A5, A5 cabriolet, Q5)

2114 1941

190 TU

Software update

2470 2599

40 TU

Software update

2470 2599

40 TU

GFF

0150 0000

Time stated
on diagnostic
protocol

(A6, A7, Q5)
Thermostat remove+reinstall
(For A4, A5, A5 cabriolet)
Thermostat remove+reinstall
(For A8)

For Scenario B:

Diagnostic Time:

(Max 30 TU)
Road test prior to service procedure

No allowance 0 TU

Road test after service procedure

0121 0004

10 TU

Technical diagnosis at dealer’s discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:

As per TSB # 2040491/3

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.

© 2016 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
Required Parts and Tools
Part number

Part Description

Quantity

06E121111AL

Thermostat (only if scenario A applies)

1

G 013A8J1G

Coolant

0.5

Additional Information
All parts and service references provided in this TSB (2040491) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.

© 2016 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.