Webhvac control head temperature mix dm1 hvac temperature door stuck, defective door actuator, or open/ shorted circuit 1200_b11 to temp actuator pin a, or 1200_b12 to.

I assumed the duct sensors might be bad so i replaced both of them located on passenger side underneath the dash.

Mine just came on as well the same time i lost all air in the cab.

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Use the dash slpr­temp switch to vary sleeper temperature from warmest setting to the coldest setting.

Use the rear hvac control panel blower switch to raise and lower.

Webaug 12, 2021 · the system uses constant outlet temperature control (cotc) to provide discharge air temperature out the ducts that have a stable temperature based on a.

Source addresses and dtc descriptions are presented in plain text.

Webi have a hvac duct temperature code spn 1548.

Webthe system uses constant outlet temperature control (cotc) to provide discharge air temperature out the ducts that has a stable temperature based on a reference point for.

Websuspect parameter number (spn), failure mode indicator (fmi) and occurrence count numbers are listed.

Webi have a hvac duct temperature code spn 1548.

Webthe system uses constant outlet temperature control (cotc) to provide discharge air temperature out the ducts that has a stable temperature based on a reference point for.

Websuspect parameter number (spn), failure mode indicator (fmi) and occurrence count numbers are listed.

Webmar 24, 2018 · could be hvac related error.

Still getting air in the sleeper but now the fan level 8 (max) is more.

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