CID 0274 FMI 13 Atmospheric Pressure calibration required
Conditions Which Generate This Code:
The Electronic Control Module (ECM) detects one of the following conditions:
- The atmospheric pressure sensor has never been calibrated.
- Atmospheric pressure is less than 45 kPa (6.5 psi) during a calibration attempt.
- Atmospheric pressure is greater than 111 kPa (16 psi) during a calibration attempt.
- Atmospheric pressure fluctuates more than 5 kPa (0.75 psi) during a calibration attempt.
- Active diagnostic codes are present for the atmospheric pressure sensor during a calibration attempt.
System Response:
The ECM will log the diagnostic code. The diagnostic code may be viewed on a display module or on the Caterpillar Electronic Technician (ET).
- Low power
Test Step 1. Perform the following diagnostic procedure: Engine Sensor Open/Short Circuit - Test
Results:
- OK - STOP
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