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Home › Saab › 2002 › 9-5 Linear, 4D Sedan, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Fault Code Diagnosis › P1631: Internal Control Module - Malfunction › Fault Criteria

Fault Criteria

Sensor value deviates more than 15 kPa from charge air absolute pressure sensor or intake air absolute pressure sensor.