Set Condition

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) performs the following rationality tests to check the Manifold Air Pressure Sensor and Barometric Pressure Sensor: At PCM power-up, the manifold pressure is compared with barometric pressure. If the two do not correlate and it cannot be determined which sensor is faulty, then this code is reported.