Conditions for Running the DTC
WARNING: This page is about a different car, the 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The ignition switch is in the Unlock, Accessory, Run or Crank position.
- The ignition voltage is greater than 5.23 volts.
- DTCs P0641, P2122, P2123 are not set.
- DTC P2120 runs continuously when the above conditions are met.