TM 10-3930-675-10-2
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
Gearshift quality is reduced,
Operation
658
Press RESET.
due to another control mode
Finish mission.
(operating mode: substitute
Short circuit to battery voltage or
Notify maintenance.
clutch control).
open circuit at output speed input
If there is also a failure at
- transmission ECU measures a
turbine speed, transmission
voltage higher than 12.5V at
ECU shifts to neutral.
speed input pin.
Limp home.
Cables defective.
Sensor defective.
Stop Vehicle
Warning - Degraded
Gearshift quality is reduced,
Operation
due to another control mode
659
Press RESET.
(operating mode: substitute
Finish mission.
Short circuit to battery voltage at
clutch control).
Notify maintenance.
output speed input - transmission
If there is also a failure at
ECU measures a voltage less than
turbine speed, transmission
1.0V at speed input pin.
ECU shifts to neutral.
Cables defective.
Limp home.
Sensor defective.
Stop Vehicle
Warning - Degraded
Gearshift quality is reduced,
Operation
due to another control mode
660
Press RESET.
(operating mode: substitute
Finish mission.
Logical error at output speed
clutch control).
Notify maintenance.
input - transmission ECU mea-
If there is also a failure at
sures internal speed over a thresh-
turbine speed, transmission
old and at the next moment the
ECU shifts to neutral.
measured speed is zero.
Limp home.
Cables defective.
Sensor defective.
Stop Vehicle
Warning - Degraded
Gearshift quality is reduced,
Operation
due to another control mode
662
Press RESET.
(operating mode: substitute
Finish mission.
Output speed does not fit other
clutch control).
Notify maintenance.
speed signals. If transmission is
If there is also a failure at
not in neutral and shifting has fin-
turbine speed, transmission
ished, transmission ECU mea-
ECU shifts to neutral.
sures output speed as zero and
Limp home.
turbine or internal speed as not
equal to zero.
Cables defective.
Sensor defective.
Incorrect sensor gap size.
0020 00-26
