TM 10-3930-675-24-1
TRANSMISSION SPEED SENSORS TROUBLESHOOTING
THIS WORK PACKAGE COVERS
Error Code 656 - Internal Speed Sensor Failure, Short
Error Code 649 - Engine Speed Sensor Failure, Open
Circuit to Chassis
Circuit or Short Circuit to Battery
Error Code 650 - Engine Speed Sensor Failure, Short
Error Code 657 - Internal Speed Sensor Failure, Logical
Circuit to Chassis
Error
Error Code 651 - Engine Speed Sensor Failure, Logical
Error Code 658 - Output Speed Sensor Failure, Open
Error
Circuit or Short Circuit to Battery
Error Code 652 - Turbine Speed Sensor Failure, Open
Circuit or Short Circuit to Battery
Error Code 659 - Output Speed Sensor Failure, Short
Error Code 653 - Turbine Speed Sensor Failure, Short
Circuit to Chassis
Circuit to Chassis
Error Code 660 - Output Speed Sensor Failure, Logical
Error Code 654 - Turbine Speed Sensor Failure, Logical
Error
Error
Error Code 655 - Internal Speed Sensor Failure, Open
Error Code 662 - Output Speed Sensor Failure, Logical
Circuit or Short Circuit to Battery
Speed Error
INITIAL SETUP
References
TM 10-3930-675-10
ECU Transmission (A34650.0200) (WP 0048 00-
12)
