Conditions Which Generate This Code:
The signal voltage from the atmospheric pressure sensor is above 4.8 VDC for at least eight seconds.
System Response:
The Electronic Control Module (ECM) will log the diagnostic code. The ECM flags atmospheric pressure as invalid data and a default value of 100 kPa (15 psi) is used.
Low power
Test Step 1. Perform the following diagnostic procedure: Engine Pressure Sensor Open or Short Circuit – Test
Results:
- OK – STOP