What does code P1579 mean?

Q: What does code P1579 mean?

P/N To D/R At High Throttle Angle. P1579 on Chrysler vehicles means the powertrain control module (PCM) has detected that the transmission range sensor is reporting the Park/Neutral position while the throttle is at a high angle, which should be impossible in a properly functioning system. The PCM cross-checks the transmission range sensor signal against throttle position and vehicle speed, and it sets this code when the Park/Neutral input remains active during high-throttle conditions.

DTC codes / Chrysler codes / P1579

P1579 · ChryslerP/N To D/R At High Throttle Angle

P1579 on Chrysler vehicles means the powertrain control module (PCM) has detected that the transmission range sensor is reporting the Park/Neutral position while the throttle is at a high angle, which should be impossible in a properly functioning system. The PCM cross-checks the transmission range sensor signal against throttle position and vehicle speed, and it sets this code when the Park/Neutral input remains active during high-throttle conditions.

SystemPowertrain

Code typeChrysler specific

SeverityMedium

Fix difficultyIntermediate

AreaVehicle speed, idle control and auxiliary inputs

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