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John Deere 310sj

Ben Derstein

Member
Joined
Oct 25, 2022
Messages
7
Location
Pa
How do you test shift solenoids?
John deere 310sj
Serial # 194572
Code present is flc 525.12.
Thanks.
 

mg2361

Senior Member
Joined
Jul 5, 2016
Messages
5,325
Location
Pennsylvania
Occupation
Equipment Mechanic
That code is not for the shift solenoids. It is an error with the speed range for the TCL (transmission control lever). Do you know how to get into the service mode of the monitor?
 

mg2361

Senior Member
Joined
Jul 5, 2016
Messages
5,325
Location
Pennsylvania
Occupation
Equipment Mechanic
Key On, press and hold the menu button until "SERVICE MENU" appears in the screen. Release button. Scroll to diagnostics. Press select. Then scroll to switches, press select. Then follow the instructions sent via PM. If you want to check your shift solenoids anyway, go to diagnostics/trans and choose auto-test solenoids. If a solenoid is defective, "CHECK CODES" will appear on the screen. If there is no issue, screen will read PASSED KEY OFF.
 
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