Medium and heavy trucks.

The engine takes the fuel from the draw tank only and both tanks have sending units or fuel level sensors which connect.

This fault code actually is for a programmed smart switch that is not being recognized or detected.

Spn 2023 fmi 14 usually suggests a communication issue between the ecm and other modules.

Did it die or did you shut it off.

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The fault code spn 563 fmi 14 is a code that originates with the transmission.

Get information about suspect parameter number (spn) and failure mode identifier (fmi) fault code list and read descriptions before engine troubleshooting diy process.

Is it hot or cold?

The ultrashift plus transmission may be configured with the urge to move (utm) feature.

If enabled and the transmission is in gear, utm allows the vehicle to start moving after.

Check the harness and fuel level sensor in the tank.

You have a storage tank and the draw tank.

Look for loose connections or.

If spn 523525 fmi 14 is inactive, got to step 3.

When it’s supposed to, the hydrocarbon fuel dozer is plugged.

The code spn 2023 fmi 11 oc 1 sa 23 conn 1500 pin 7.

Spn 520349 fmi 14 discussion in 'freightliner forum' started by alexd13, mar 28, 2023.

Spn 523525 fmi 14 is active, got to step 4.

Suspect parameter number (spn) and failure mode indicator (fmi) full code list.

International and isuzu trucks , international,.

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I got few alerts.

If the harness is good you likely have a failed sensor.

These repair instructions are intended to address the following fault(s):

You will need to have this connected to the international diamond logic diagnostic.

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Please reference the following file(s):

Large exhaust leaks, a turbo charger that’s not performing 100%, an egr valve that’s not completely closing or opening.

Would need to read the engine codes, make sure oil is full and clean.

Check out source address 23—that’s your instrument cluster.

2023 fmi 14 byte7 107 byte8 5 is for the fuel level sender.

Answered by andy in 22 mins 9 years ago.

That conn 1500 pin 7 is that the location where the short or loose.

The codes you get from the cluster really shouldn't be used for.