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A ➤ Active Fault

B ➤ 0-1 hour old

C ➤ 1-4 hours old

D ➤ 4-12 hours old

IFU CODE 48

CAN-BUS timeout IFU1 ➤ IFU2


ALARM TYPE

Yellow


CAN-BUS communication error between IFU1 and IFU2 Engine should not shutdown. May revert to 1200rpm. Engine will not be able to be restarted while fault is active.

  1. Check CAN-BUS wiring between IFU and IFU.
  2. Check IFU modules for any defective PCB's
  3. Lighting inverters can cause interference when defective which lead to CAN-BUS faults between EDC and IFU or IFU to IFU.
  4. See EDC code 138 for CAN-BUS Measurements HERE