DTC P0463: Fuel Level Sensor Circuit, High Input: Condition
WARNING: This page is about a different car, the 2002 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when ECM (PCM) detects fuel level sensor voltage is more than predetermined. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:
- Fuel level sensor malfunction.
- Fuel level gauge malfunction.
- ECM (PCM) malfunction.