P0193 - Fuel Rail Pressure Sensor Circuit High (Bank 1)
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DTC DESCRIPTION P0193 - FUEL RAIL PRESSURE SENSOR CIRCUIT HIGH (BANK 1)
| Description: | This DTC sets when the PCM detects the FRP circuit is open or shorted to voltage. | ||
| Possible Causes: |
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| Diagnostic Aids: | An FRP signal high condition can be caused by any number of conditions, including a short on FRP signal to VREF, an open FRP signal or signal return. The FRP signal line is pulled up by the PCM and VREF at the sensor, and down by the sensor through SIGRTN. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DD. | ||