Eaton Gen 2 (AutoShift) Fault Code: 71 PID: SID 60 FMI: 7 Stuck Engaged
Overview:
Fault Code 71 indicates the transmission was unable to move the front box to neutral during a shift request.
Detection:
The transmission detects this fault by attempting the same shifter actions 5 times and not sensing the desired position.
Fallback:
This fault causes an in-place fallback.
Possible Causes:
1) Low power to Gear Select Motor
2) Gear Select Sensor
3) Electric Shifter
4) Yoke, Clutch, Main Shaft
5) Shift Block
6) Failed or misaligned Shift Block
7) Dragging clutch
8) Torque locked in gear
Shop Talk:
Engage low gear and allow the vehicle to slowly move forward. While the vehicle is in motion, move the Shift Lever to reverse low and slowly bring the vehicle to a stop. The vehicle will shift into reverse low. Several shifts (10 or more) may be required before operator confirms the failure.
Related products
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0123 Pedal Position Sensor Circuit High Voltage
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: U1300 J1850 (Class 2) Serial Data Communication Link Low
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0870 Transmission Pressure Switch Solenoid E Circuit
1000 & 2000 Gen 4 $50.00 -
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: P2773 Torque Control Request Ignored – ECM/TCM
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: U1064 J1850 (Class 2) TBC Controller State of Health Failure
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0122 Pedal Position Sensor Circuit Low Voltage
1000 & 2000 Gen 4 $50.00 -
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: P1688 Unmanaged Engine Torque Delivered To TCM Signal
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1301 J1850 (Class 2) Serial Data Communication Link Low
1000 & 2000 Gen 4 $50.00
