Service Codes on Control Unit for Suspended Front Axle (SFA)

Symptom Problem Solution

CODE 31

Fault in front suspension control unit

See your John Deere dealer.

CODES 41, 42, 43

Level 1 solenoid valve defective

See your John Deere dealer.

CODES 44, 45, 46

Level 2 solenoid valve defective

See your John Deere dealer.

CODES 61, 62

Hydraulic suspension defective

See your John Deere dealer.

CODES 63, 64, 65, 66, 67, 68, 69

Level sensor defective

See your John Deere dealer.

CODE 71

Front suspension control unit not receiving any engine speed signal

See your John Deere dealer.

CODES 72, 73

Tractor speed sender defective

See your John Deere dealer.

CODE 75

Fault in front suspension control unit

See your John Deere dealer.

CODE 76

Front suspension control unit not receiving any engine speed signal

See your John Deere dealer.

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