TJ33557 1 1 2019

VOLVO CAR
SERVICE AND PARTS BUSINESS
Technical Journal
TITLE:
Prior Approval: T8 ERAD (Electric Rear Axle Drive), Complete
REF NO:
ISSUING DEPARTMENT:
CAR MARKET:
TJ 33557.1.1
Technical Service
United States and Canada
PARTNER:
ISSUE DATE:
STATUS DATE:
3 US 7510 Volvo Car USA
2019-08-07
2019-08-14
FUNC GROUP:
3230
FUNC DESC:
Electric drive system,
high voltage
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“Right first time in Time”
Attachment
Vehicle Type
Type
Eng
238
246
256
256
BR
BR
BC
BR
Eng
Sales
Desc
B1FPHEV
B1FPHEV
B1BPHEV
B1FPHEV
Body
Gear
Steer
Model Year
2018-9999
2018-9999
2016-9999
2018-9999
Plant
Chassis range
-
Struc Week
Range
0-0
0-0
0-0
0-0
CSC Customer Symptom Codes
Code
YR
56
53
55
AJ
IV
DL
8N
Description
Drive mode "AWD"/Disengages automatically/Not available
Drive mode "OFF ROAD"/Disengages automatically/Not available
Driving, Twin Engine/Propulsion using electric motor not possible
Driving, Twin Engine/Propulsion using combustion engine/Always active/Active too often
Driving/Poor performance/lacks power
Text window and warning symbol/Text message
Warning lights and chimes/Malfunction Indicator Light ("Check engine" light) indication/no indication
Driving/Unusual noise/Unsure when/at all times
VST Operation Number
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.
© 2019 VOLVO CAR USA, LLC
Technical Journal 33557.1.1
DTC Diagnostic Trouble Codes
Rows beginning with * are modified
Note! If using a printed copy of this Technical Journal, first check for the latest online version.
Text
DESCRIPTION:
* Please first review TJ 33358 to determine if a complete ERAD is needed or if the ERAD can be
repaired by other means.
* Complete ERADs are not to be replaced without contacting Volvo Retailer Technical Support (RTS).
ERAD components such as the transmission do not require a Vehicle Report for replacement.
* Normal Vehicle Report routines apply. The title of the report should begin with ERAD: then list the
issue and/or the DTC, with sub concern area “Prior Approval”. Please use the guidance under “Vehicle
Report” to decide other information to include in the case.
Volvo THD will decide further action.
SERVICE:
* Decided case by case after a vehicle report has been sent. No complete ERAD replacements are to be
done unless advised in vehicle report from RTS/Prior Approval Agent.
Refer to E-Service General Bulletin 00-383.
VEHICLE REPORT:
The title of the report should begin with ERAD: then list the issue and/or the DTC, with sub concern
area “Prior Approval”.
Please use the guidance under service to decide other information to include in the case.
Please understand and attempt reproduce the customer symptom before submitting vehicle report.
If the fault experienced is not listed here, please include a description of the complaint and any
information about how the complaint is duplicated.
All ERAD complaints with ERAD clutch or electric motor DTC’s in the IEM (Inverter Electronics
Module)
* Please check and follow VIDA fault tracing for the customer complaint first. If ERAD replacement is
required after fault tracing, no additional information is needed in the TIE case.
ERAD Complaints of jerking or delayed engagement with no relevant DTCs present
* Please first check TJ 33358
If the repair is unsuccessful: please perform a VIDA parameter recording of the fault occurring with the
following parameters selected:
- Accelerator pedal position, analog - ECM (Engine Control Module)
- ERAD clutch, state - IEM
- ERAD, estimated torque - IEM
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2019-08-14
Technical Journal 33557.1.1
- ERAD, motor speed - IEM
- Longitudinal accelerometer sensor input - BCM (Brake Control Module)
- Vehicle speed - BCM
Save and attach the resulting *.plot file to the Vehicle Report (Parameters->Selected->Graphical View>Save)
Be sure to note the time in seconds in the recording that the fault occurred. This will aid in quick
diagnosis of the fault.
ERAD complaints of howling or other noises
Please include a recording of the fault and note any other identifying information such as speed to
reproduce, if the noise goes away in any drive modes, or other circumstances needed to reproduce.
Technical Help Desk case number is the validation for warrant claim payment, and is required in the
authorization field, or in the repair text if the authorization filed is being used.
2019-08-14
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