Possible Causes
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Monitor Description
- Compare raw ambient pressure value to a filtered ambient pressure value, fault is detected if the raw value deviates away from the filtered value greater than threshold
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Powertrain control module failure
- The sensor is installed within the powertrain control module and is not serviceable