TJ36445

Polestar 
Service and Parts Business
Technical Journal
TITLE:
12V Battery drained, CEM-U300096
REF NO:
ISSUING DEPARTMENT:
CAR MARKET:
TJ 36445.1.0
Technical Service
United States and Canada
FUNC GROUP:
3720
PARTNER:
ISSUE DATE:
STATUS DATE:
3 US 7515 Polestar
2022-05-12
2022-12-08
FUNC DESC:
Electrical distribution box,
fuse box
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 12V battery is drained and/or the vehicle will not start and DTC CEM-U300096 is set, do not replace
any hardware before checking if the vehicle has the software 2.4 (released 22w42) or later.
If an updated software is available, see under service.
CSC Customer Symptom Codes
Code
Description
53
Driving, Twin Engine/Propulsion using electric motor not possible
71
Starting/Vehicle start-up is not possible
7B
Starting/Engine does not start/Engine does not turn/No clicking sound at start attempt
AA
Starting/Engine does not start/Engine turns
BE
Starting/Engine does not start/Engine does not turn/Unsure when/at all times
BJ
Starting/Engine does not start/Unsure when/at all times
LM
12 V main battery/Dead battery
LN
12 V main battery/Weak or low electrical power
UH
Locking/unlocking/Central locking does not work
VZ
Locking/unlocking/Other central locking problems
67
Locks and alarm/Autonomous drive: Self closing doors do not work
!
Produced and printed in the USA and available as an electronic document.
© Polestar 2022
Technical Journal 36445.1.0
DTC Diagnostic Trouble Codes
Control Module
Code
Fault Type
CEM
U300096
Intermittent
Vehicle Type
Type
Eng
Eng
Desc
Sales Body
Gear
534
Steer Model Year
2020-2023
Plant
Chassis range
Struc Week Range
-
202007-202241
SERVICE:
If the software is older then V2.4, which was released 22w42, perform a software upgrade in
accordance with TJ 31543.
Note that the TJ number must be stated in repair order text.
To get a warranty claim accepted for a job described in this TJ, please use following VST OP number:
36004-2.
VST Operation Number
VST Operation Number
Description
36004-2
Software control module downloading
LABOR TIME:
0.5
VEHICLE REPORT:
Yes, please submit a Vehicle Report if the service solution described in this TJ has no effect. Use
concern area “Vehicle Report Polestar” and sub concern area “Support not needed Polestar”, use
function group 3720.
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2022-12-08