P0231 - Fuel Pump Secondary Circuit Low
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DTC DESCRIPTION P0231 - FUEL PUMP SECONDARY CIRCUIT LOW
| Description: If the FPM circuit is fixed at a low voltage, the PCM begins to increment a counter. This DTC sets when the PCM is still not detecting a duty cycled signal on the FPM circuit after a calibrated amount of time. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST MA . | ||