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Home › Saab › 2006 › 9-7X 4.2i › Repair and Diagnosis › Engine Performance › System › Engine Controls - 4.2L - DTC P0446 To P2120 › DTC P0641 › Conditions For Setting The DTC

Conditions For Setting The DTC

The PCM detects a voltage that is higher or lower than required on the 5-volt reference circuit.
The above condition is present for 1 second.