Troubleshooting
Printed in U.S.A. 187 50940411/G0219
3
(4)
(5)
(35)
Pump right sensor
wiring fault
Front pump swash sensor signal
voltage out of range, shorted to
ground, shorted to supply or open.
May be accompanied by codes 4,
5 and/or 35.
Both pumps will be
disabled at first. Then
both pumps could be run
in open loop mode (See
“Travel Drive Error
Condition Operation
(Limp Mode)” on
page 94).
Check front sensor wiring and
connector.
Check front sensor supply and
signal voltages. Refer to the
Service Manual.
Check controller2 wiring and
connectors
Replace front sensor.
4
(3)
(6)
(35)
Pump left sensor
wiring fault
Rear pump swash sensor signal
voltage out of range, shorted to
ground, shorted to supply or open.
May be accompanied by codes 3,6
and/or 35.
Both pumps will be
disabled at first. Then
both pumps could be run
in open loop mode (See
“Travel Drive Error
Condition Operation
(Limp Mode)” on
page 94).
Check rear sensor wiring and
connector.
Check rear sensor supply and
signal voltages. Refer to the
Service Manual.
Check controller2 wiring and
connectors
Replace rear sensor.
5
(1)
(3)
Pump right sensor
out-of-range range
fault
Front pump swash sensor does
not follow command to solenoid
valves. Failure of one or both of
the front solenoid valves, wiring
fault or front sensor ground wire
shorted or open. May be
accompanied by codes 1 and/or 3.
Both pumps will be
disabled at first. Then
both pumps could be run
in open loop mode (See
“Travel Drive Error
Condition Operation
(Limp Mode)” on
page 94).
Check front sensor and front
solenoid valve wiring and
connectors.
Check correct harness connections
between front and rear sensors and
forward and reverse solenoid
valves.
Check controller2 wiring and
connectors.
Check resistance of front solenoid
valves. Refer to the Service
Manual.
Replace front sensor or front
solenoid valves.
Table 57: Drive and Valve Error Codes
Error
Code
Error Description Fault Cause Fault Action Corrective Action
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