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P0453 Diagnostic Trouble Code Discussion for January 2021

Fuel Tank Pressure Sensor Circuit High Voltage

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Trouble Ticket Help Requests for DTC P0453
Help Request Posted
2015 Mercedes-Benz S550 4.6L MIL Lamp on VIN: WDDUG8FB0F
P0453: The pressure sensor pressure switch of the evap short to positive. The Code P0453 The pressure sensor / pressure switch of the evaporative emissions control system has a short circuit to positive. The big question here is how do you get to the sensor? We have checked with Alldata, Identifix and LMV there is no information...
January 27, 2021