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Home › Chevrolet › 2006 › HHR LS, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - 2.2L - DTC P1682 To P2176 › DTC P2120 › Conditions for Running the DTC

Conditions for Running the DTC

The ignition is ON.
The ignition voltage is greater than 5.23 volts.
DTC P0641 is not set.
DTC P2120 runs continuously when the above conditions are met.