What does code P059A mean?

Q: What does code P059A mean?

Active Grille Air Shutter A Position Sensor Circuit. P059A indicates that the powertrain control module has detected an implausible or out-of-range signal from the position sensor of active grille air shutter 'A', which is the shutter assembly that regulates airflow through the front grille. The computer compares the sensor voltage against expected values for the commanded shutter position and sets this code when the two do not agree.

DTC codes / P05xx · Vehicle speed, idle control and auxiliary inputs / P059A

P059AActive Grille Air Shutter A Position Sensor Circuit

P059A indicates that the powertrain control module has detected an implausible or out-of-range signal from the position sensor of active grille air shutter 'A', which is the shutter assembly that regulates airflow through the front grille. The computer compares the sensor voltage against expected values for the commanded shutter position and sets this code when the two do not agree.

SystemPowertrain

Code typeGeneric (all makes)

SeverityLow

Fix difficultyIntermediate

AreaVehicle speed, idle control and auxiliary inputs

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