Spn 1548 5 Hvac Duct Temperature - The fmi 5 is indicating that it is open circuit. This will only affect certain hvac functions. Just this for now. What's the make/model/year of your truck? Either damaged wiring or connector pins or replace the failed sensor. Spn 1548,fmi 5 hvac duct temperature. 126 spn 876,fmi 2 compressor clutch circuit. I have a hvac duct temperature code spn 1548. I assumed the duct sensors might be bad so i replaced both of them located on passenger side underneath the dash. The code is still active. Head will modulate the temperature door in order to reach and maintain the reference temperature. (fresh air), inside the cab (recirc air), or a mixture of the. I have 2025 cascadia and it has a fualt code a cant seam to findout on the web what it means. It's sys25 1548 fml 5 does anyone know what that means and how to fix. Spn 96,fmi 5 fuel level 1 current below normal or open circuit instrument cluster #1 active count : 126 spn 1548,fmi 5 hvac duct temperature. This fault code is an indication of a problem with the temperature sensor wiring or the sensor itself, and potentially a software calibration related problem requiring dealer level updates of. Exhaust system high temperature lamp commandoff abs control status off abs control status, trailer not available engine speed 603 rpm vehicle issues 1 active fault(s) present. Ok, so i kept getting that error in my 2025 freightliner cascadia sometimes, but often enough to. Suspect parameter number (spn), failure mode indicator (fmi) and occurrence count numbers are listed. Source addresses and dtc descriptions are presented in plain text. This report provides a reference for vehicle inspection and. Things like an open in the harness can cause a high voltage code. The only thing it can be is an open in the harness, or the front control unit can be bad. The only things that can. Dtc/light spn fmidescription possible causes diagnostics 3 fmi spn 520250 6 blower output short circuit blower relay failure or relay enable signal from system controller shorted to. Could be hvac related error. Mine just came on as well the same time i lost all air in the cab. Still getting air in the sleeper but now the fan level 8 (max) is more like a level 4. In the hvac unit, there is a temp sensor. This is more for the automatic portion of the hvac system. The fmi 5 is indicating that it is open circuit. This will only affect certain hvac functions. Just this for now. What's the make/model/year of your truck? Either damaged wiring or connector pins or replace the failed sensor.
The fmi 5 is indicating that it is open circuit. This will only affect certain hvac functions. Just this for now. What's the make/model/year of your truck? Either damaged wiring or connector pins or replace the failed sensor. Spn 1548,fmi 5 hvac duct temperature. 126 spn 876,fmi 2 compressor clutch circuit. I have a hvac duct temperature code spn 1548. I assumed the duct sensors might be bad so i replaced both of them located on passenger side underneath the dash. The code is still active. Head will modulate the temperature door in order to reach and maintain the reference temperature. (fresh air), inside the cab (recirc air), or a mixture of the. I have 2025 cascadia and it has a fualt code a cant seam to findout on the web what it means. It's sys25 1548 fml 5 does anyone know what that means and how to fix. Spn 96,fmi 5 fuel level 1 current below normal or open circuit instrument cluster #1 active count : 126 spn 1548,fmi 5 hvac duct temperature. This fault code is an indication of a problem with the temperature sensor wiring or the sensor itself, and potentially a software calibration related problem requiring dealer level updates of. Exhaust system high temperature lamp commandoff abs control status off abs control status, trailer not available engine speed 603 rpm vehicle issues 1 active fault(s) present. Ok, so i kept getting that error in my 2025 freightliner cascadia sometimes, but often enough to. Suspect parameter number (spn), failure mode indicator (fmi) and occurrence count numbers are listed. Source addresses and dtc descriptions are presented in plain text.