Possible Causes
WARNING: This page is about a different car, the 2003 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0230 will set when an open or short in fuel pump relay circuit is detected. Possible causes are:
- Open or short in fuel pump relay circuit.
- Defective circuit opening relay.
- Defective fuel pump relay.
- Defective fuel pump.
- Defective ECM.