Optional SCV Control Unit (SCo) Service Codes

Symptom Problem Solution

CODE SCo 22, 27, 28

SCV IV or V not working correctly, controller

Have your John Deere Dealer repair

CODE SCo 29

Calibration selected for less than 30 seconds

Have your John Deere Dealer repair

CODE SCo 60

SCV levers inoperative, SCV communication link

Stop and restart engine

Have your John Deere Dealer repair

CODE SCo 90

Low hydraulic oil level

Add hydraulic oil. (See Lubrication Section)

CODE SCo 100

Operator not in seat with SCV in detented flow with transmission in NEUTRAL position (Warning)

If not stationary SCV use, return to seat or move SCV lever to neutral before leaving cab. (See the Operator Station Section)

CODE SCo 140, 141, 142, 143, 144

SCV IV not working

Have your John Deere Dealer repair

CODE SCo 150, 151, 152, 153, 154

SCV V not working

Have your John Deere Dealer repair

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