35976.4.0

Volvo Car USA LLC
Technical Journal
Technical Journal Title
Ref. No.
12V Critical Charge Message w/ MVBM-B166094
MVBM-B165F94 DTC’s set
TJ 35976.4.0
Issuer (Dept.)
Issue Date
Status Date
2/28/23
2/29/24
Technical Service
Car Market
Partner
Function Group
United States and Canada 3 US 7510 Volvo Car USA 3111
Function Description
Page
Battery, complete
Page 1 of 2
Rows beginning with * are modified
Note! If using a printed copy of this Technical Journal, first check for the latest online version.
DESCRIPTION:
If the customer experiences a 12V Critical Charge message in the DIM, and the DTC´s listed below
are set, please follow the advice under “service”.
DIM = Driver information Module
MVBM = Mid Voltage Battery Module
DTC = Diagnostic Trouble Code
CSC Customer Symptom Codes
Code
Description
LN
12 V main battery/Weak or low electrical power
7G
Text window and warning symbol/Yellow symbol and text message
IV
Text window and warning symbol/Text message
DTC Diagnostic Trouble Codes
Control Module
Code
Fault Type
MVBM
B165F94
Permanent
MVBM
B166094
Permanent
Vehicle Type
Type
Eng
Eng
Desc
Chassis
range
Struc Week
Range
225
06
B06KERS
2022-2023
-
202122-202317
236
06
B06KERS
2022-2023
-
202122-202317
238
06
B06KERS
2022-2023
-
202122-202317
246
06
B06KERS
2022-2023
-
202122-202317
256
06
B06KERS
2022-2023
-
202122-202317
Sales
Body
Gear
Steer
Model Year
Plant
Technical Journal 35976.4.0
SERVICE:
Do not replace the MVBM or 12V battery if the customer experiences these symptoms. Delete the
DTC´s and perform a software update.
*A software improvement (v2.14.3) is available in VIDA 2024 week 08, and is planned to be
available via OTA 2024 week 10.
For software release information and timing, see VIDA - Release Notes.
If the customer experiences this issue, please perform a software upgrade according to TJ 31543.
Warranty claim info:
To get a warranty claim accepted for a job described in this TJ, use the corresponding VST OP
number stated in this TJ.
Note that the TJ number must be stated in the repair order text.
VST Operation Number
VST Operation Number
Description
36004-2
Software control module downloading
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 3111.
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2024-02-29