19O3 Page 7 of 15

Repair Instruction
Section A - Check for Previous Repair
TIP
If Campaign Completion label is present, no further work is required.
•

Enter the VIN in Elsa and proceed to the
“Campaign/Action” screen.

TIP
On the date of repair, print this screen and keep a copy
with the repair order.
•

Confirm the Campaign/Action is open .
If the status is closed, no further work is required.

•

Note the Applicable Criteria ID for use
in determining the correct work to be done and
corresponding parts associated.

•

All Safety Recalls MUST be completed before
starting this Campaign.
Proceed to Section B

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2019 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
October 2019

19O3 Page 8 of 15

Section B – Coolant Bottle Inspection
Inspect coolant level sensor wiring connector and
coolant bottle connector housing:
•

•

If coolant or corrosion IS FOUND at the
coolant level sensor wiring connector and
coolant bottle connector housing:
o

Coolant bottle requires replacement.

o

Coolant
bottle
connector
and
connector pins require inspection.

o

-J519- requires inspection.

o

TIGUAN ONLY: Ambient temperature
sensor requires inspection.

o

Proceed to Section C.

If coolant or corrosion IS NOT found at the
coolant level sensor wiring connector and
coolant bottle connector housing:
o

Reconnect the coolant level sensor
connector to the coolant bottle.

o

No further work is required.

o

Proceed to Section E.

Section C – Coolant Bottle Replacement
Required Parts
Criteria

Quantity

Part Number

Part Description

02

1

5QM.121.407.C

Tank (Tiguan)

07

1

5QM.121.407.B

Tank (Jetta)

NOTE
The specified part numbers reflect the status at the start of this service action. Interim updates made in ETKA can
cause a listed part number to become unavailable. In this case, the new part number specified in ETKA should be
used.

Required Tools

Hose Clamps - Up To
25mm
-3094(or equivalent)

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2019 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
October 2019

19O3 Page 9 of 15

Replace coolant bottle:
•

Turn off the vehicle ignition and remove the
key from the vehicle.

•

Remove coolant bottle cap.
WARNING

Risk of scalding due to hot steam and hot
coolant.
•

The coolant system is under pressure when
the engine is warm.

•

Cover the coolant bottle cap with a cloth
and then open it slowly to release the
pressure.

•

Disconnect the coolant level sensor connector
.

•

Clamp off hoses using Hose Clamps -3094-.

•

Loosen hose clamps and note the original
orientation of the clamps.

•

Release the coolant bottle catches with a
screwdriver in direction of .

•

Tip coolant bottle so coolant does not drain out
and remove the hoses.

•

Install new coolant bottle, install hoses and
secure clamps in the same position they were
originally oriented.

Crit.

Part Number

Part Description

02

5QM.121.407.C

Coolant bottle (Tiguan)

07

5QM.121.407.B

Coolant bottle (Jetta)

•

Fill new coolant bottle with coolant from old
bottle.

Since coolant migration was found, the -J519- and
ambient temperature sensor must also be
inspected.

Proceed to Section D.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2019 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
October 2019

19O3 Page 10 of 15

Section D – Coolant Migration Inspection
Inspect coolant bottle connector:
•

If corrosion is found on the connector pins:
o

•

The connector pins must be replaced.

If only liquid coolant is found at the connector
pins:
o

The coolant bottle connector housing
must be cleaned with a dry, lint free
cloth.

o

The coolant bottle connector pins
must be cleaned with compressed air.

TIGUAN ONLY - Inspect ambient temperature
sensor for coolant migration:
•

Connector and sensor will be inspected.

•

If NO liquid coolant or corrosion is found:
o

•

•

Reconnect connector to sensor.

If corrosion is found on the connector or
sensor pins:
o

Ambient temperature sensor must be
replaced.

o

Corroded connector pins must be
replaced.

If only liquid coolant is found at the sensor, but
there is NO corrosion:
o

Ambient
temperature
sensor
connector and pins should be cleaned
with a dry, lint free cloth.

o

Ambient
temperature
sensor
connector and pins should also be
cleaned with compressed air.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2019 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
October 2019

19O3 Page 11 of 15

Access -J519-:
•

See ELSA Repair Manual: Repair manual >
Electrical System > Electrical Equipment > 97
Wiring > Control Modules > Vehicle Electrical
System Control Module -J519-, Removing and
Installing

•

Remove the T46b connector .
NOTE
•

To disconnect the connector, press the
catch .

•

Pivot the retaining bracket in direction of
and remove the connector.

•

To pivot the retaining bracket on the center
connector, the red connector lock must be
additionally removed from the retaining
bracket.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2019 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
October 2019

19O3 Page 12 of 15

Inspect -J519- for coolant migration:
•

Connector T46b connector will be inspected.

•

If NO liquid coolant or corrosion is found:

•

•

o

Reassemble vehicle in reverse order
of removal.

o

Proceed to Section E.

If corrosion is found on the -J519- pins:
o

-J519- must be replaced.

o

Corroded connector pins must be
replaced.

If only liquid coolant is found at the -J519-, but
there is NO corrosion:
o

-J519- should be cleaned with a dry,
lint free cloth.

o

The -J519- pins must be cleaned with
compressed air.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2019 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
October 2019

19O3 Page 13 of 15

Check -J519- connector for coolant migration:
•

Separate the individual terminal housings and
inspect for coolant migration or corrosion.
o

•

•

If NO liquid coolant or corrosion is found:
o

Reassemble vehicle in reverse order
of removal.

o

Proceed to Section E.

If corrosion is found on the -J519- connector
pins:
o

•

•

See Appendix A for detailed
disassembly
instructions
for
separating the individual pin terminal
housings from the -J519- connector
housing.

Corroded connector pins must be
replaced.

If only liquid coolant is found on the -J519-, but
there is NO corrosion:
o

-J519- connector housing must be
cleaned with a dry, lint free cloth.

o

The connector pins must be cleaned
with compressed air.

Once all necessary -J519- repairs have been
performed, Proceed to Section E.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2019 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
October 2019

19O3 Page 14 of 15

Section E – Campaign Completion Label
Install Campaign Completion Label
•

Fill out and affix Campaign Completion
Label, part number CAMP 010 000, next to
the vehicle emission control information
label.

TIP
Ensure Campaign Completion Label does not cover
any existing label(s).
Proceed to Section F

Section F - Parts Return/Disposal
Properly store (retain), destroy or dispose of removed parts in accordance with all state/province and local
requirements, unless otherwise indicated and/or requested through the Warranty Parts Portal (WPP) for U.S. and
the Part Destruction and Core Disposition Report for Canada.

Appendix A – Terminal Releasing Documentation for -J519- 46 Pin Connector
See next page.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2019 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
October 2019

19O3 Page 15 of 15

Terminal releasing documentation
WEB-CON-001552
Article No.

5Q0 937 702

Secondary

Detail

Secondary locking: 1
Primary locking:
3
Pins: