TM 10-3930-675-10-1
ERROR CODES - CONTINUED
0020 00
Table 4. Error Codes - Continued.
ERROR
DISPLAY
CODE
LAYOUT
DRIVER ACTION
ERROR CODE EXPLANATION
VEHICLE LIMITATIONS
Stop Vehicle
Warning - Degraded
Stop vehicle by switching to
Operation
452
Press RESET.
neutral.
Finish mission.
Supply voltage too low.
Notify maintenance.
Power supply off.
Alternator defective.
Stop Vehicle
Warning - Degraded
Stop vehicle by switching to
Operation
618
Press RESET.
neutral.
If error shows again,
Logical error at direction select
notify maintenance.
signal - transmission ECU
Finish mission.
detected incorrect signal combi-
nation for direction.
Cables defective.
Shift lever defective.
Press RESET
Information/Maintenance
When shifting from 2WD to
4WD or vice versa, engage
622
If error shows again,
Logical error at axle connection -
forward drive and
notify maintenance.
axle connection feedback mea-
immediately return to neutral.
Finish mission.
sured by transmission ECU and
Turn ignition switch off for at
output signal do not match.
least 30 seconds, then turn
Cables defective.
switch back on.
Switch defective.
Mechanical error.
Finish Mission
Information/Maintenance
None.
637
Notify maintenance.
Short circuit to battery voltage or
open circuit at transmission sump
temperature sensor input - volt-
age too high.
Cables defective.
Sensor defective.
Connector pin broken.
Finish Mission
Information/Maintenance
None.
638
Notify maintenance.
Short circuit to ground at trans-
mission sump temperature sensor
input - voltage too low.
Cables defective.
Sensor defective.
Connector pin broken.
0020 00-23
