TJ3625752 Service Bulletin/Repair Instructions

Title

Ref No

Issuer

Partner
Status

Released

Status Date 2023-06-02

Issue Date 2023-06-02

Reference
Climate system heating performance (HVCH)

US36257.5.2 en-US

Technical Service

3 US 7510 Volvo Car USA, LLC
Func Group 8760

Func Desc auxiliary heater, electrically operated

Attachment

File Name

File Size

Additiona heater.png

0.7635 MB

Additional heater in climate settings CCD.jpg 0.9769 MB

Rows beginning with * are modified

Note! If using a printed copy of this Technical Journal, first check for the latest online version.

Description:
* New Information

If customer experiences poor heating performance from the Climate system and it has the permanent

DTC listed, please follow advice under service.

CSC Customer Symptom Codes

Code Description

UJ

Parking heater/Does not work

Temperature control/Heater not hot enough in

8E

front section

TN Temperature control/Heater does not work

DTC Diagnostic Trouble Codes

ECU

DTC

CCM

U133A93

Vehicle Type

Eng

Type Eng

Desc

224

225

227

234

235

236

238

246

256

Service:
Fault Type

Permanent
Sales Body Gear Steer Model Year

2019-2023

2019-2023

2019-2023

2017-2017

2017-2023

2017-2023

2018-2023

2018-2023

2016-2023
Plant Chassis range

-
Struc Week

Range

201835-202308

201817-202308

201846-202308

201617-202308

201624-202308

201646-202308

201646-202308

201717-202308

201505-202308
If the symptom is confirmed, proceed with the replacement of the HVCH (High Voltage Coolant

Heater) according to VIDA.

*Note: Ensure additional Heater is turned on in the Center Screen Display (CSD), If this is turned off

you will have no heat pure mode.
Warranty claim info:

To get warranty claim accepted for the labor part described in this TJ, please use following data:

VST OP number: 87614-2.

Note: Warranty claim will only be accepted if the Permanent DTC-U133A93 (with permanently locked

status) is set prior to the repair.

VST Operation Number

VST Operation No. Description

87614-2

Engine coolant heater electrical remove-install/replace

31130-2

High voltage disconnect/reconnect

31133-3

Isolation testing high voltage system

36001-2

Diagnostic trouble codes resd / reset / known Diagnostic trouble codes with VIDA
Vehicle Report:
Yes, please submit a Vehicle Report if the service solution described in this TJ has no effect. Use

concern area "Vehicle Report" and sub concern area "Support not needed", use function group 8760.

To view TJ attachments continue to next page. This TJ has two attachments.

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