Set Condition
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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. One Trip Fault. Three good trips to turn off the MIL.