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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 2.4L - DTC P0114 To DTC P0604) >> Diagnostic Information and Procedures >> DTC P018B-P018D: Fuel Pressure Sensor (Fuel Pump Power Control Module) >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P018B 

The engine control module does not detect a normal fuel pressure change when the fuel pump is operating. The fuel pressure sensor performance diagnostic provides a means to detect fuel pressure sensor output that is stuck within the normal operating range of the sensor.

P018C 

The engine control module detects that the fuel pressure sensor voltage is less than 0.2V for 1s.

P018D 

The engine control module detects that the fuel pressure sensor voltage is greater than 4.8V for 1s.

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