DTC P0405: Exhaust Gas RECIRCULATION (EGR) Sensor A Circuit Low
P0405 - EXHAUST GAS RECIRCULATION (EGR) SENSOR A CIRCUIT LOW
| Description: The EGR monitor checks the differential pressure feedback EGR sensor signal to the PCM for low voltage. The test fails when the average voltage to the PCM drops to a voltage less than the minimum calibrated value. | |||
Possible Causes:
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| Diagnostic Aids: A DPFEGR PID reading less than 0.05 volt with the ignition ON, engine OFF or running indicates a hard fault. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HH . | ||