WenmarOpen by Wenmar Pro

Service bulletin TJ35940

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10249345
Published by NHTSA2024-01-29
Manufacturer's numberTJ35940
Manufacturer's date2023-12-20
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

TCAM Replacement Needs Prior Approval

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
VOLVO S602023, 2024
VOLVO S902022, 2023, 2024
VOLVO V602023, 2024
VOLVO V60CC2023, 2024
VOLVO V902022 to 2024
VOLVO V90CC2022, 2023, 2024
VOLVO XC602022, 2023, 2024
VOLVO XC902023, 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V1790002025-03-24. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; ELECTRICAL SYSTEM:SOFTWARE
23V1880002023-03-22. ELECTRICAL SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
37373.8.02026-08-18. Service bulletin. This is a Technical Journal: DIM Message and DTC BECM P0C7800. If the DIM displays a message stating "Drive System Service Required" and the DTC listed below is set, follow the advice under "Service". •Do not replace any parts. This is not hardware-related. •A new BECM software is released in version 3.6.4. or later. Perform a total upgrade according to TJ 31543 and release the car back to customer.
36863.4.02026-08-18. Service bulletin. This is a Technical Journal: DIM Message and DTC IEM P0C0500. 1. Erase the DTC 2. Test drive the vehicle in electrical mode and accelerate until the vehicle reaches a minimum of 30 km/h (19 mph). 3. Perform a new VIDA readout If the DTC IEM P0C0500 does not return, do not replace any parts. Release the car to customer.
37373.7.02026-06-08. Service bulletin. This is a Technical Journal: DIM Message and DTC BECM P0C7800.
 If the DIM displays a message stating "Drive System Service Required" and the DTC listed below is set, follow the advice under "Service".
 •Do not replace any parts. This is not hardware-related.
 •A new Battery Energy Control Module software is released in software version 5.1.9. Perform a Total Upgrade according to TJ 31543 and release the car back to the customer.
37103.6.02026-06-08. Service bulletin. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200 or in combination with all the DTCs
34295.9.02026-04-07. Service bulletin. This is a Technical Journal: Text plus 2 attachments 1 PDF and 1 PNG - High Voltage Battery repairs. Always repair the battery according to the methods in VIDA. This TJ is a guide to the kinds of repairs that can be done instead of a complete HV battery replacement.
 Parts, methods, and tools are now available to repair almost all faults within the High Voltage Battery.
37103.4.02026-04-07. Service bulletin. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200 or in combination with all the DTCs
367572026-02-05. Service bulletin. This is a Technical Journal: Text plus TJI 528994 - Charge Lid Hard to open/close. begin with replacing the actuator in the lock mechanism
TJ37103.3.0-2025-11-132025-12-22. Service bulletin. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200 or in combination with all the DTCs
TJ37373.6.0-2025-11-052025-12-22. Service bulletin. This is a Technical Journal: DIM Message and DTC BECM P0C7800. Structure Week 2023w47 and newer: New BECM software is released in version 3.6.4. Perform a Total Upgrade according to TJ 31543. • If the DTC sets after SW version 3.6.4 or newer has been installed, please follow VIDA fault tracing and then create a TIE Support Needed Vehicle Report. *Structure Week 2023w46 and older: New BECM software is planned for 2026, Q1. • Please follow VIDA fault tracing and then create a TIE Support Needed Vehicle Report
371032025-08-18. Service bulletin. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200.