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Eaton Gen 1 (AutoShift) Fault Code: 16 PID: SID 248 FMI: 2 Eaton Proprietary Link (EPL)

Overview:
This code indicates that the system manager ECU and the transmission ECU are unable to communicate.

Detection:
Starting at key-on and throughout operation, the System Manager constantly monitors the communication with the Transmission ECU. If a communication fault occurs for more than five seconds, fault code 16 is set.

Fallback:
This fault causes an In Place fallback while moving and a failure during system initialization.

Required Tools:
1) Basic Hand Tools
2) Hand-Held Diagnostic Tool
3) Digital Volt/Ohm Meter
4) AutoSelect/AutoShift Troubleshooting Guide
5) Data Link Tester

Possible Causes:
1) Damaged transmission interface harness
2) Damaged transmission harness
3) Damaged tower or OEM harness
4) Malfunctioning transmission ECU
5) Malfunctioning system manager ECU
6) Powers and Grounds
7) Damaged PIM

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