# 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.

- Type: Service bulletin
- NHTSA id: 10249345
- Published by NHTSA: 2024\-01\-29
- Manufacturer's number: TJ35940
- Manufacturer's date: 2023\-12\-20
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

TCAM Replacement Needs Prior Approval

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10249345-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10249345-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2023 to 2024 VOLVO S60
- 2022 to 2024 VOLVO S90
- 2023 to 2024 VOLVO V60
- 2023 to 2024 VOLVO V60CC
- 2022 to 2024 VOLVO V90
- 2022 to 2024 VOLVO V90CC
- 2022 to 2024 VOLVO XC60
- 2023 to 2024 VOLVO XC90

## Recalls for the same vehicles and component

- [25V179000](/recalls/nhtsa/25V179000.md), 2025-03-24: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; ELECTRICAL SYSTEM:SOFTWARE
- [23V188000](/recalls/nhtsa/23V188000.md), 2023-03-22: ELECTRICAL SYSTEM

## Other bulletins for the same vehicles and component

- [37373.8.0](/bulletins/11036248.md), 2026-08-18, Service bulletin: ELECTRICAL SYSTEM. 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.
- [36863.4.0](/bulletins/11036246.md), 2026-08-18, Service bulletin: ELECTRICAL SYSTEM. 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.
- [37373.7.0](/bulletins/11033745.md), 2026-06-08, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: DIM Message and DTC BECM P0C7800.\&\#13; If the DIM displays a message stating "Drive System Service Required" and the DTC listed below is set, follow the advice under "Service".\&\#13; •Do not replace any parts. This is not hardware\-related.\&\#13; •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.\&\#13;
- [37103.6.0](/bulletins/11033739.md), 2026-06-08, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200 or in combination with all the DTCs
- [34295.9.0](/bulletins/11031099.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. 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.\&\#13; Parts, methods, and tools are now available to repair almost all faults within the High Voltage Battery.
- [37103.4.0](/bulletins/11031098.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200 or in combination with all the DTCs
- [36757](/bulletins/11028384.md), 2026-02-05, Service bulletin: ELECTRICAL SYSTEM. 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\-13](/bulletins/11026741.md), 2025-12-22, Service bulletin: ELECTRICAL SYSTEM. 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\-05](/bulletins/11026735.md), 2025-12-22, Service bulletin: ELECTRICAL SYSTEM. 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
- [37103](/bulletins/11021933.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200.

JSON: [/v1/bulletins/10249345](/v1/bulletins/10249345)

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