Steering System 364Service Manual – CS7000
4. The Steering faults menu displays all of the codes that have ever been set in the system. The codes are
displayed in “reading order”, separated by commas and are sorted with the most recent at the top left.
See the Diagnostic Trouble Code Table below to look up what the code means.
5. To exit, press the solution button.
Diagnostic Trouble Code Table
DTC Error Source Description Check
0 AC Current –
Excessive
The hardware detected excessive
current ow in the steering actuator
motor circuits.
Actuator - shorted/burned stator
windings.
Wiring (U, V & W) - Shorted to ground
or one another.
Steering Controller - Internal Short
Note: Can also be caused by too low DC
supply voltage on B+.
1 DC Power
Supply - Low
Voltage
The software detected that the DC
power supply (B+ and B-) voltage is
too low.
Battery Positive and Negative
connections at source and controller
Battery Positive and Negative cables
2 DC Power
Supply - High
Voltage
The software detected that the DC
power supply (B+ and B-) voltage is
too high.
Battery Positive and Negative
connections at source and controller
Battery Positive and Negative cables
Note: If there is too much resistance
between the controller and the battery
during regenerative braking, the
voltage can climb.
3 DC Power
Supply - High
Voltage
The hardware detected that the DC
power supply (B+ and B-) voltage is
too high.
Battery Positive and Negative
connections at source and controller
Battery Positive and Negative cables
Note: If there is too much resistance
between the controller and the battery
during regenerative braking, the
voltage can climb.
4 DC Power
Supply
Insufcient
The B+ and B- cables did not supply
enough current to charge a capacitor
inside the controller within 10
seconds.
Battery Positive and Negative
connections at source and controller
Battery Positive and Negative cables
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