TJ34567.1.2-2020

VOLVO CAR
SERVICE AND PARTS BUSINESS
Technical Journal
TITLE:
DTC SRS-B15381B High Voltage battery loop control
REF NO:
ISSUING DEPARTMENT:
CAR MARKET:
TJ 34567.1.2
Technical Service
United States and Canada
PARTNER:
ISSUE DATE:
STATUS DATE:
3 US 7510 Volvo Car USA
2020-11-03
2020-11-06
FUNC GROUP:
FUNC DESC:
3113
Battery, high voltage
Page 1 of 15
“Right first time in Time”
Attachment
File Name
9513036.png
Connector 1-4 terminal replacement.pdf
TJ 34567.pdf
File Size
0.5945 MB
0.4576 MB
0.9564 MB
Vehicle Type
Type
Eng
2XX
2XX
2XX
2XX
2XX
BA
BC
BK
BK
BR
Eng
Desc
Sales
Body
Gear
Steer
Model Year
2016-9999
2016-9999
2020-9999
2020-9999
2018-9999
Plant
Chassis range
-
Struc Week
Range
201526-999952
201526-999952
201917-209952
201917-999952
201717-999952
CSC Customer Symptom Codes
Code
7G
IV
Description
Text window and warning symbol/Yellow symbol and text message
Text window and warning symbol/Text message
Produced in the USA and available as an electronic document. Hard copy documents are printed in USA on recycled paper containing
a minimum of 50% wastepaper and 10% post-consumer waste.
© 2020 VOLVO CAR USA, LLC
Technical Journal 34567.1.2
VST Operation Number
VST Operation Number
37119
36001-2
96158-3
Description
General Wire Repair (max time of 0.5)
Diagnostic trouble codes read / reset / known Diagnostic trouble codes with VIDA
Troubleshooting instrumentation: KT
DTC Diagnostic Trouble Codes
Control Module
SRS
Code
B15381B
Fault Type
Intermittent
Rows beginning with * are modified
Note! If using a printed copy of this Technical Journal, first check for the latest online version.
DESCRIPTION:
If a Supplemental Restraint System (SRS) message in combination with DTC SRS-B15381B is present,
please follow “Service”.
Technical explanation:
The SRS module has a loop to the High Voltage (HV) battery as one of several methods to open battery
contactors in the event of an accident.
The SRS module monitors the resistance value in this loop. If the loop is open or resistance is high, it
will set the DTC and a message will be displayed.
Reported customer symptom are Driver Information Module (DIM) SRS message and SRS warning
symbol.
SERVICE:
The resistance of the circuit can be monitored using the SRS parameter “High voltage battery power
supply disconnect”
Check the cable harness from the SRS module to the HV battery.
* Drag check terminal 11 and 12 in the low voltage connector to the HV battery using tool 9513036.
* For more reference information including connector disassembly, see attachments.
Warranty claim info:
To get warranty claim accepted for a job described in this TJ, please use following data:
VST OP number: 36001-2, 96158-3, 37119
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 needed”, use function group 3113.
To view TJ attachments continue to next page. This TJ has three attachments.
Page 2 of 15
2020-11-06
Technical Journal 34567.1.2
2020-11-06
Page 3 of 15
Connector 1-4 terminal replacement
required tools
Required tools:
•
Volvo Special Tool 951 2630 *
•
Pocket Screwdriver
* 951 2630 is available for purchase on the Volvo
Cars Special Tools website.
http://www.volvotools.com/
2019.08.07
Connector 1-4 terminal replacement, Derek Boesch, Security class: Public
2
terminal removal
Terminal removal:
•
Use a pocket screwdriver to release the
locking tab.
2019.08.07
Connector 1-4 terminal replacement, Derek Boesch, Security class: Public
3
terminal removal
Terminal removal continued:
•
Insert the prongs of 951 2630 into the smaller
holes in the connector housing, push in until it
stops.
•
Note: DO NOT insert the tool into the larger
rectangular openings, this will damage the
terminals!
•
Now remove the tool, the terminal should pull
out smoothly from the backside. You may need
to pull gently on the wire while removing the
tool.
2019.08.07
Connector 1-4 terminal replacement, Derek Boesch, Security class: Public
4
terminal replacement
Terminal replacement:
•
Replace the terminals using part number 31409245.
•
Follow the instructions in Vida for joining cables.
•
Vida -> Information -> Repair -> Cleaning, Inspection and
Adjustment -> 3 Electrical System -> 37 Cables and fuses > 371 cables -> Joining cables
•
Once the cables are joined install the new terminals into
connector 1-4 and reinsert the locking tab.
2019.08.07
Connector 1-4 terminal replacement, Derek Boesch, Security class: Public
5
VIDA, diagnostic service
DTC SRS-B15381B, High voltage battery power supply disconnect deployment loop control
LV connector from car to HV battery
Terminal 11 and 12 crash input