Transmission Troubleshooting

SymptomProblemSolution

PST transmission vent between engine and transmission yoke leaks oil

Clogged transmission filter screen

Clean screen

IVT transmission external vent leaks oil

Clogged transmission filter screen

Clean screen

Transmission warning displays

Diagnostic trouble code has been stored

See PTI or PTP codes in the Diagnostic Trouble Codes section

PST Transmission skips gears

No problem

See Shifting the Transmission in Operating the Tractor section

Transmission shifts slowly and tractor steers hard

Cold oil

See Transmission/Hydraulic System Warm-Up in Operating the Tractor section

Transmission slips, shifts rough or abruptly (jerky) after oil change

Recalibrate transmission (PST only)

See Changing Transmission/Hydraulic Oil in the Lubrication section

Have dealer recalibrate

See your John Deere™ dealer

Transmission starts out too fast/slow

No problem

Start-up gear can be changed through the CommandCenter™ settings. See Shifting the PST Transmission in Operating the Tractor section. For IVT (Infinitely Variable Transmission)™ tractors, see Adjusting Set Speeds.

If problem persists, see your John Deere Dealer

John Deere is a trademark of Deere & Company
CommandCenter is a trademark of Deere & Company
IVT (Infinitely Variable Transmission) is a trademark of Deere & Company

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