Test Procedure
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- TP1 CONTINUOUS MEMORY DTC P0A44: CHECK FOR CORRECT TRACTION MOTOR RPM DURING THE ROAD TEST NOTE: Refer to VEHICLE SPEED KM/H (MPH) AND TRACTION MOTOR RPM for correct traction motor to vehicle speed correlations.
- Clear the TCM DTCs.
- Access the TCM and monitor the VSS and M_SPEED PIDs.
- Road test the vehicle.
- Record traction motor RPM at different vehicle speeds.
Does the traction motor RPM correspond with the vehicle speed?
Yes No Unable to duplicate or identify the fault at this time.
RETURN to SYMPTOM CHARTS to continue diagnosis.INSTALL a new transaxle assembly.