Suspended Front Axle (SFA) Diagnostic Trouble Codes

Although the diagnostic codes listed below are not a complete list of the diagnostic trouble codes, they do reflect codes which may be observed while operating the tractor and have corrective action that the operator can take. Many codes which appear may be corrected simply by cycling key switch or by following the solution on the CommandCenter™ page, then cycling key switch.

If corrective action cannot be taken after cycling power to the tractor or if there are any questions, contact your John Deere™ dealer.

Suspended Front Axle (SFA) Diagnostic Trouble Codes
Diagnostic Trouble Code	Display	Solution
SFA 158.4	Front Suspension System	Reduce electrical load or increase engine RPM to attempt vehicle system recovery.
SFA 168.4	Front Suspension System	Reduce electrical load or increase engine RPM. Shut down the engine and check fuse. Restart engine to attempt vehicle system recovery.
SFA 2602.18	Front Suspension System	Limit hydraulic use to allow oil reservoir to refill. Check oil level according to Operator's Manual procedure.
SFA 522290.2	Front Suspension System	Repeat calibration.
SFA 523950.2	Front Suspension System	Repeat calibration.
SFA 524016.4	Front Suspension System	Reduce electrical load or increase engine RPM to attempt vehicle system recovery.