International SA 58 SPN 1547 FMI 0: Duct Inlet Sensor High

Code details

Manufacturer

International (Navistar)

Applies to

International / Navistar body controller (ESC) and multiplexed modules

Fault code

SA 58 SPN 1547 FMI 0

J1939 SPN

1547

FMI

0 — Data valid but above normal operating range (most severe)

Reporting module

Rear HVAC (source address 58)

Component / signal

A/C Evaporator Temperature

Truck models in source

3200, 4100, 4300, 4400, 7300, 7400, 7500, 7600, 7700, 8500, 8600, BE 200, CE Bus, CXT, DuraStar, LoneStar, MXT, ProStar, RXT, TranStar, WorkStar

Cause and when it sets

Cause: Recirc sensor wire shorted to power or Recirc sensor missing or open circuit or faulty Recirc sensor

What to do next

• Read active and inactive codes with the OEM service tool (Diamond Logic Builder can clear previously active codes) and note the occurrence count.
• FMI 0 tells the shop the type of failure to test for: data valid but above normal operating range (most severe).
• Have a heavy-duty diesel technician confirm the fault against the engine or chassis service manual before replacing parts.

Related fault codes

• International SA 33 SPN 1547 FMI 0 — HVAC Inlet Temp Sensor reading above normal range
• International SA 33 SPN 1547 FMI 1 — HVAC Inlet Temp Sensor reading below normal range
• International SA 58 SPN 1547 FMI 1 — Duct Inlet sensor Low