What does code P019F mean?

Q: What does code P019F mean?

Alternative Fuel Tank A Pressure Sensor Performance. P019F indicates that the powertrain control module (PCM) has detected a performance problem with the pressure sensor circuit for the alternative fuel tank, designated as Tank A. The PCM monitors the sensor's signal for rationality, range, and response time, and sets this code when the signal does not behave as expected under known operating conditions.

DTC codes / P01xx · Fuel and air metering / P019F

P019FAlternative Fuel Tank A Pressure Sensor Performance

P019F indicates that the powertrain control module (PCM) has detected a performance problem with the pressure sensor circuit for the alternative fuel tank, designated as Tank A. The PCM monitors the sensor's signal for rationality, range, and response time, and sets this code when the signal does not behave as expected under known operating conditions.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.