C-10, C-12, C-15 and C-16 Industrial Engines – CID 0172 FMI 04 Intake Manifold Air Temp short to gro

Conditions Which Generate This Code:

The signal voltage from the inlet air temperature sensor dropped below 0.2 VDC for eight seconds.

System Response:

The Electronic Control Module (ECM) will log the diagnostic code. The ECM flags Inlet air temperature as invalid data and a default value of 85 °C (185 °F) is used.

  • Low power

Test Step 1. Perform the following diagnostic procedure: Engine Temperature Sensor Open or Short Circuit – Test

Results:

  • OK – STOP