CODE HCU 22

Battery voltage to hitch out of range

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 27, 28, 29

Calibration

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 40

Valve harness connections invalid

Have your John Deere Dealer repair as soon as possible

CODE HCU 41-44

Hitch valve

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 45

Hitch sensor supply power shorted

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 49

Hitch up/down selector ON while activating external raise/lower switch or moving hitch control lever

Restart with hitch up/down selector OFF

Hitch up/down switch circuit failed

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 50

Hitch controller

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 52

Hitch draft sensor input open circuit or shorted

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 53

Hitch load/depth circuit failure (See ACU 53)

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 54

Hitch control lever circuit failure (See ACU 54)

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

RX15494,0000081 -19-10SEP01-1/2

CODE HCU 55

Hitch position sensor input open circuit or shorted

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 56

Hitch raise limit control (See ACU 56)

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 57

Hitch rate-of-drop control (See ACU 57)

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 58

External raise/lower switch

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 60

Hitch communication failure

Restart and cycle hitch

Check fuse F3

Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible

CODE HCU 90

Low hydraulic oil level

Add hydraulic oil. See Lubrication Section

RX15494,0000081 -19-10SEP01-2/2