V1923012072064_1

Technical Service Bulletin
Transaction No:
2072064/1
Release date:
12/4/2023
19-23-01 - Service Information, ID.4 Coolant Hose Improper
Assembly
Condition
Applicable Vehicles
Model(s)
Year
Eng. Code
Trans. Code
VIN Range From
VIN Range To
ID.4
2023 – 2024
All
All
All
All
Revision Table
Instance Number
Published Date
Version Number
Reason for Update
2072064/1
12/4/2023
19-23-01
Original publication.
Customer Concern:
 Reduced power with yellow warning indicator (turtle mode)
 One or more of the following DTC(s) are stored in the Electric Drive Power and Control Electronics JX1- (Diagnostic Address 0051)
DTC
Symptom Description
P0AEE00
41344
Drive Motor Inverter Temperature Sensor "A" Circuit Range/Performance
P0A3C00
41734
Drive Motor "A" Inverter Over Temperature
If no faults populate in diagnostic address 0051, re-identify the control module through GFF. It
has been observed that some DTCs may not populate on the initial scan through ODIS.
Page 1 of 4
© 2023 Volkswagen Group 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 Volkswagen Group 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
19-23-01 - Service Information, ID.4 Coolant Hose Improper
Assembly
Transaction No:
2072064/1
Release date:
12/4/2023
Technical Background
Field cases have been identified with coolant hoses twisted, kinked, and/or misrouted in various
locations. This condition can lead to restricted or incorrect coolant flow, reduced power, and electrical
system error messages.
Production Solution
Not applicable.
Service
Diagrams of the cooling system can be found in the Repair Manual:
Repair Manual > Motor > Electric Rear Wheel Drive EIP220 and All Wheel Drive EIA210 > 19 Cooling
System > Cooling System/Coolant > Connection Diagram – Coolant hoses, Refrigerant R1234yf
Carefully inspect the routing and positioning of all coolant hoses throughout the vehicle.
If a coolant hose is identified with a concern, then no parts replacement is necessary. Repair the
identified concern, clear all relevant DTCs, and retest the vehicle.
Following are several examples of different conditions and locations to inspect.
Figure 1. Hose twisted at rear power electronics.
Page 2 of 4
© 2023 Volkswagen Group 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 Volkswagen Group 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
19-23-01 - Service Information, ID.4 Coolant Hose Improper
Assembly
Transaction No:
2072064/1
Release date:
12/4/2023
Figure 2. Hose twisted at rear power electronics.
Figure 3. Hose twisted at front of high-voltage battery.
Page 3 of 4
© 2023 Volkswagen Group 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 Volkswagen Group 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
19-23-01 - Service Information, ID.4 Coolant Hose Improper
Assembly
Transaction No:
2072064/1
Release date:
12/4/2023
Figure 4. Hoses misrouted in right-front frame.
Warranty
Information only.
Required Parts and Tools
No Special Tools required.
Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.
Page 4 of 4
© 2023 Volkswagen Group 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 Volkswagen Group 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.