Conditions for Running the DTC
WARNING: This page is about a different car, the 2004 Suzuki Swift + and 2004 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
- The engine is cranking.
- The ignition voltage is between 10-16 volts.
- DTC P0402 runs continuously once the above conditions are met.