2 — USING THE 3401T
pg. 21
Curtis Model 3401T – August 2022
Fault Codes
The fault codes area indicates whether faults are active for the vehicle system components listed in
the following table. The components’ indicators are identified with the abbreviations listed in the
second column:
Component
Abbreviation
Traction controller
Depends upon whether the vehicle system has one or two
traction controllers:
• One controller: TRA
• Two controllers:
–
TRA L
–
TRA R
Pump controller
HYD
Steering controller
STR
Lithium battery
BAT
OEM-defined fault code
OEM
If a component has no active faults, OK is displayed. In the following example, no faults are active
for the traction controller, pump controller, and steering controller:
TRA: OK
HYD: OK
STR: OK
A fault code displays if a component has active faults. In the following example, the steering controller
has an active fault identified by the fault code 1, 8:
TRA: OK
HYD: OK
STR: 1
,
8
Note: The 3401T also displays fault names. See