OMAR178078: 8120, 8220, 8320, 8420, and 8520 Tractors , Block File: RX15494_000002A_19

Symptom	Problem	Solution

CODE ICU 95

Communication link missing

Check fuse F1

Have your John Deere Dealer repair as soon as possible

CODE ICU 98

Transmission operation in enable mode

See Using Transmission Enable Mode in Operating the Tractor Section

Have your John Deere Dealer repair as soon as possible

CODE ICU 99

Vehicle monitor memory failure

Have your John Deere Dealer replace as soon as possible

RX15494,000002A -19-08AUG01-1/1