Conditions for Running the DTC
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
P0231
- Ignition voltage is between 9-32 V.
- Engine is cranking or running.
- Fuel pump enable circuit is commanded ON.
- The DTC runs continuously when the above conditions are met.
P0232
- Ignition voltage is between 9-32 V.
- Fuel pump enable circuit is commanded ON.
- The DTC runs continuously when the above conditions are met.
P023F
- The ignition voltage is between 9-32 V.
- The commanded duty cycle is between 30-60 %.
- The DTC runs continuously when the above conditions are met.