International SA 33 SPN 97 FMI 4: Water In Fuel Indicator

Code details

Manufacturer

International (Navistar)

Applies to

International / Navistar body controller (ESC) and multiplexed modules

Fault code

SA 33 SPN 97 FMI 4

J1939 SPN

97

FMI

4 — Voltage below normal, or shorted to low source

Reporting module

Body Controller (source address 33)

Component / signal

Water In Fuel Indicator

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: Output shorted to ground

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 4 tells the shop the type of failure to test for: voltage below normal, or shorted to low source.
• 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 97 FMI 6 — Water In Fuel Indicator
• International Fault Code SPN 97 FMI 31 — Water In Fuel Indicator 1: Condition Exists
• Cummins Fault Code 428 — Water in Fuel Sensor Circuit - shorted high
• PACCAR Fault Code P2266 — Water in Fuel – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A49)
• PACCAR Fault Code P2275 — Water in Fuel – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49)
• PACCAR Fault Code P2266 — Water-in-Fuel – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A49)
• PACCAR Fault Code P2275 — Water-In-Fuel – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49)