CAT 3406E (Prefix 1MM or 2WS) Fault Code: 56 PID: SPN: 253 FMI: 11 Check Transmission Customer Parameters
This condition indicates that the “Transmission Style” parameter is programmed to the Eaton Top 2 and any one of the following parameters are not programmed:
•”Auxiliary Output 2″ (Multi-Function Output #2) is not programmed to “Shift Solenoid”.
•”Auxiliary Output 3″ (Multi-Function Output #3) is not programmed to “Lockout Solenoid”.
•”Gear Ratios” not programmed
Probable Causes:
Program the “Transmission Style” parameter that is Eaton Top 2 to the correct setting. If an Eaton Top 2 Transmission is not used, program the correct “Transmission Style” parameter to the correct setting.
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