C-10, C-12, C-15 and C-16 Industrial Engines – CID 0273 FMI 04 Turbo Outlet Pressure short to ground

Conditions Which Generate This Code:

The signal voltage for the turbocharger outlet pressure sensor falls below 0.5 VDC for two seconds.

System Response:

The Electronic Control Module (ECM) logs the diagnostic code. The ECM flags turbocharger outlet pressure as invalid data. A default value of 100 kPa (14.5 psi) is used.

  • Low power

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

Results:

  • OK – STOP