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Home › Hummer › 2006 › H3 Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - 3.5L - DTC P0496 To DTC P2125 › DTC P2123 › Conditions for Running the DTC

Conditions for Running the DTC

The ignition is ON.
The ignition voltage is more than 5.23 volts.
DTC P0641 is not set.
DTC P2123 runs continuously when the above conditions are met.