Symptoms of P0259 OBD II Trouble Code
- Malfunction Indicator Lamp (MIL) illumination
- Decrease in fuel economy
Common Causes of P0259 OBD II Trouble Code
- Short to power in the signal circuit to the FRP sensor – possible
- Open in power or ground at FRP sensor – likely
- Failed FRP Sensor – possible
- Failed PCM – unlikely
Severity of P0259 OBD II Trouble Code
Severity in this case will be not severe. Since it is electrical failure, the PCM can compensate adequately for it.