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P0523 Diagnostic Trouble Code Discussion for December 2019

Engine Oil Pressure Sensor Circuit High Voltage

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Trouble Ticket Help Requests for DTC P0523
Help Request Posted
2009 Honda Accord EX-L 3.5L MIL Lamp on VIN: 1HGCP36899
P0523: Rocker Arm Oil Pressure Sensor A High Voltage. P0523 setting due to corrosion in the plug at the oil pressure switch located near the oil filter housing. Honda does not offer a pig tail to replace the plug, only the whole wiring harness. Anybody have experience with this repair or maybe a suggestion fo...
December 11, 2019