Powertrain, generic · Hybrid propulsion

P0A44 Drive Motor A Position Sensor Circuit Overspeed

Check engine lightOn
EmissionsRelevant
Drive cycleNot required
Limp modePossible

P0A44 reports that the speed derived from the motor A resolver is above the highest speed the motor may run. Mitsubishi uses it on the 2023 Outlander PHEV front motor: set at 15,500 rpm or more for 0.5 s with module supply above 8 V, judged only when the position sensor itself is fault-free; the guided fix after other codes are ruled out is a new front motor. GM covers the same check under its own code P1B0D (above 11,500 rpm, Type A) instead of P0A44. A true overspeed can come from a slipping drivetrain or a mechanical fault; a false one from a corrupted speed signal. P0A3F to P0A43 cover the sensor circuit. The system cuts motor torque to protect the rotor.

Likely causes

Mechanical fault in the front motor or its drivetrain (Mitsubishi replaces the motor)
Real overspeed from wheel spin or a slipping coupling
Disturbed resolver signal producing a false speed value
Motor control module calculating speed incorrectly

Symptoms

  • Electric drive torque cut during acceleration or high speed
  • Hybrid/EV system warning and MIL
  • Reduced top speed in limp mode

Repair estimate

DifficultyShop_onlyWorkshop job
Parts and labour€100–7,000
Time1–12 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

drive motor a position sensordrive motor ahybrid control module

Related codes

P0A3FP0A40P0A4AP0A50

References: mitsubishitechinfo.com, gsi.ext.gm.com, law.cornell.edu.