The ECM detects the following conditions:
•The idle shutdown timer has expired and the engine has shut down.
Probable Causes:
1) It code 84-08 is active, Idle Shutdown Timer will not activate
2) Reprogram parameter in ECM
3) Brake pedal switch/harness
4) Clutch pedal switch/harness
5) Vehicle speed sensor/harness
6) PTO switch sensor/harness