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Installation and Operation Guide
ED-DT318B
Drive Train Systems with Traction Control, Inverter/Controller, and Motor with 2 Speed Transmission
BC353060341319en-000101
Revision D
© Danfoss | November 2020 | 161
Status Signal
Time period
before
reacting
Typical Vehicle Controller Unit (VCU) Expected
Action
Recommended Service Action
MCU CAN Timeout
Section
Immediate
Check engine light if accompanied by loss of power
or if recurrent.
Note: It is possible that this may be seen occasionally
without having great significance, but if it occurs
frequently, contact Danfoss Power Solutions to
investigate possible hardware issue.
Verify the MCU CAN settings.
Check the integrity of the CAN Bus between the TCU
and MCU.
Replace the TCU to MCU CAN Bus wiring.
MCU Watchdog Error
Section 7.3.2.17
Immediate
Check engine light
Note 1: Will be accompanied by loss of power
Note 2: Contact Danfoss Power Solutions to
investigate possible hardware issue.
Verify the MCU CAN settings.
Check the integrity of the CAN Bus between the TCU
and MCU.
Replace the TCU to MCU CAN Bus wiring.
TCU Command
Message
1 Error
Section
X
Little meaning if seen occasionally.
If seen frequently, check integrity of the CAN Bus
connection between the VCU and the TCU
Verify the MCU CAN settings.
Check the integrity of the CAN Bus between the TCU
and MCU.
Replace the TCU to MCU CAN Bus wiring.
TCU Command
Message
1 Watchdog Timeout
Section
Immediate
Check engine light
Note 1: Will be accompanied by loss of power
Note 2: Check integrity of the CAN Bus connection
between the VCU and the TCU
Verify the MCU CAN settings.
Check the integrity of the CAN Bus between the TCU
and MCU.
Replace the TCU to MCU CAN Bus wiring.
Содержание ED-DT318B
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