DANA SPICER TM4 SUMO HP HV Powertrain, Troubleshooting Manual

Page: 103 / 192

103
Service Codes
Does the same
SysFile ID occur
again?
Complete
No
Turn ignition
OFF and ON
again.
Connect to the
MCU with
ODIN to check
the SysFile.
Verify the DC cable shield
connection to the MCU.
Is the shield portion on
the DC cables connected correctly
to the DC cable glands assemblies
(positive and
negative cables) ?
Change the DC cable(s)
to have a correct
shield connection at
the DC cable gland
assembly level
according to the DC
cable assembly
drawing
No
C
Is any
of the measured resistance over
0.1
Defective grounding strap(s) or resistive
connection point(s).
Replace grounding strap(s) or remake/fix
grounding connection point(s) to comply to
the product installation guides requirements.
No
Yes
Yes
Investigate the vehicle for external
root causes that might be causing
the SysFile ID to be raised :
- Another defective system on the
DC bus causing electrical
overloads,
- Defective Battery Management
System or Battery Interface
Module,
- Defective battery contactor
causing intermittent contact,
- Higher than normal High Voltage
battery level,
- Defective Power Distribution
Unit or connection between
MCU and Power Distribution
Unit,
- Defective battery charger.
Yes
Turn ignition ON
Connect to the MCU with
ODIN to check the SysFile.
Does the same
SysFile ID occur
again?
Is the
SysFile ID
occurs at less than
10 second (Time column)
from the "Info - System
power-up" after
a turn
ON ?
Yes
Complete
No
D
No
Possible issue with pre-
charge circuit
Investigate pre-charge
circuit functionality
Yes