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P0454 Diagnostic Trouble Code Discussion for November 2012

Fuel Tank Pressure Sensor Circuit Intermittent


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Trouble Ticket Help Requests for DTC P0454
Help Request Posted
2008 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KD57948
P0454: impermissible range of fuel tank pressure sensor. This appears to be a just a case of the pressure sensor zero point not being set. This is a foreign car to me as we repair mostly BMW, MB and Porsche. Can anyone tell me how to program the zero point as the live data is fo .21 with the purge line disconnected ...
November 15, 2012
2008 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KD57948
P0454: impermissible range of fuel tank pressure sensor. This appears to be a just a case of the pressure sensor zero point not being set. This is a foreign car to me as we repair mostly BMW, MB and Porsche. Can anyone tell me how to program the zero point as the live data is fo .21 with the purge line disconnected ...
November 15, 2012