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Home › Cadillac › 2005 › XLR › Repair and Diagnosis › Engine Performance › System › Engine Controls (DTC P0341 To P0629) › DTC P0629 › Conditions for Running the DTC

Conditions for Running the DTC

The ignition voltage is between 6-18 volts.
The ignition ON time is more than 2 seconds.
DTC P0629 runs continuously once the above conditions have been met.