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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 | 162
Status Signal
Time period
before
reacting
Typical Vehicle Controller Unit (VCU) Expected
Action
Recommended Service Action
TCU Command
Message
2 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
2 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.
Transmission
Temperature Warning
Section
X
Temperature warning /check engine light per
recommendations in TCU Lubricant Temperature
below
Note: Available power will be reduced as
transmission temperature rises
Verify the transmission temperature sensor and
wiring.
Verify the transmission lubricant level.
Transmission
Temperature Error
Section 7.3.2.23
Immediate
Check engine light
Note: Will be accompanied by loss of power
Verify the transmission temperature sensor and
wiring.
Verify the transmission lubricant level.
Transmission
Temperature Limiting
Section
X
Nothing, will only be seen when “Transmission
Temperature Warning” is set
Verify the transmission temperature sensor and
wiring.
Verify the transmission lubricant level.
Содержание ED-DT318B
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