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Home >> Mercury >> 2011 >> Milan Hybrid >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts And Descriptions (Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P0A23: Generator Torque Sensor Circuit Range/Performance

DTC P0A23: Generator Torque Sensor Circuit Range/Performance

P0A23 - GENERATOR TORQUE SENSOR CIRCUIT RANGE/PERFORMANCE

Description:  The powertrain control module (PCM) checks the amount of the generator motor torque delivered, by monitoring the frequency of the torque of generator AC (TGAC) signal. This DTC indicates the TGAC signal is out of expected range.
Possible Causes: 
  • TGAC circuit open
  • TGAC circuit shorted to PWR or GND
  • Damaged transaxle
  • Damaged PCM
  • Damaged transaxle control module (TCM)
Diagnostic Aids:  Monitor the PCM GTQ_CMD parameter identification (PID). The PID value should be 0 Nm (0 lb ft) in PARK or NEUTRAL if the brake pedal is not applied.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST TC .