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Test Procedure

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. TP1 CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODE (DTC) P0A44: CHECK FOR CORRECT TRACTION MOTOR RPM DURING THE ROAD TEST 
    NOTE: Refer to the table at the beginning of this pinpoint test 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 concern at this time.
    RETURN to the SYMPTOM CHARTS article, Symptom Charts to continue diagnosis.    		 INSTALL a new transaxle assembly. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - ELECTRONICALLY CONTROLLED CONTINUOUSLY VARIABLE TRANSMISSION (ECVT) .
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