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
Finish Mission
Information/Maintenance
Gearshift quality is reduced,
656
Notify maintenance.
due to another control mode
Short circuit to ground at internal
(operating mode: substitute
speed input - transmission ECU
clutch control).
measures a voltage less than
0.45V at speed input pin.
Cables defective.
Sensor defective.
Press RESET
Information/Maintenance
Gearshift quality is reduced,
due to another control mode
657
Finish mission.
Logical error at internal speed
(operating mode: substitute
Notify maintenance.
input - transmission ECU mea-
clutch control).
sures internal speed over a thresh-
If there is also a failure at
old and at the next moment the
output speed, transmission
measured speed is zero.
ECU shifts to neutral.
Cables defective.
Limp home.
Sensor defective.
Incorrect sensor gap size.
Stop Vehicle
Warning - Degraded
Gearshift quality is reduced,
Operation
due to another control mode
658
Press RESET.
(operating mode: substitute
Finish mission.
Short circuit to battery voltage or
clutch control).
Notify maintenance.
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.
0020 00-26
