Eaton Gen 1 (AutoShift) Fault Code: 44 PID: PID 54 FMI: 4 Interia Brake Solenoid Coil
Overview:
This code indicates an electrical problem in the interia brake.
Detection:
Starting at key-on and throughout operation, the Transmission Controller constantly measures this circuit. A failure mode of a short to battery, short to ground, or open circuit is detected.
Fallback:
There is no fallback associated with this failure. However, it may be difficult to perform an initial engagement due to a poorly adjusted clutch. Also, hill shifting performance may be reduced.
Required Tools:
1) Basic Hand Tools
2) Digital Volt/Ohm Meter
3) AutoSelect/AutoShift Troubleshooting Guide
Possible Causes:
1) Relay coil open or shorted
2) Damaged transmission harness
3) Malfunctioning transmission ECU
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SERVICE MANUAL 3000 AND 4000 SERIES GEN 4 GENERATION – ALLISON
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