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Home >> Saab >> 2001 >> 9-5 Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Fault Code Diagnosis >> P1633: Internal Control Module - Malfunction >> Fault Criteria

Fault Criteria

Voltage from atmosphere absolute pressure sensor higher than 4.920 volts for more than 1 second.