Hitch Control Center (HCC) 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.

Hitch Control Center (HCC) Diagnostic Trouble Codes
Diagnostic Trouble Code	Display	Solution
HCC 158.4	Rear Hitch System	Reduce electrical load or increase engine RPM to attempt vehicle system recovery.
HCC 168.4	Electrical System	Reduce electrical load or increase engine RPM. Shut down the engine and check fuse. Restart engine to attempt vehicle system recovery.
HCC 2602.18	Hydraulic System	Limit hydraulic use to allow oil reservoir to refill. Check oil level according to Operator's Manual procedure.
HCC 523788.14	Rear Hitch System	Reference Hydraulic Option Configuration procedure in Operator's Manual.
HCC 523788.2	Rear Hitch System	Reference Hydraulic Option Configuration procedure in Operator's Manual.
HCC 523952.31	Rear Hitch Disabled	Rear hitch not enabled or available.
HCC 524016.4	Rear Hitch System	Reduce electrical load or increase engine RPM. Shut down the engine and check fuse. Restart engine to attempt vehicle system recovery.