A ➤ Active Fault

B ➤ 0-1 hour old

C ➤ 1-4 hours old

D ➤ 4-12 hours old

IFU CODE 29

Speed Limit Input Faulty

ALARM TYPE

Yellow

Engine may shutdown.

1. Potentially defective IFU Board within IFU-2 module
2. Check IFU Module 2 for any ERROR LED
3. Check IFU Module 2 for any Power Issues