DTC P1001 Ford

Cause and Solution

The TCCM tests the motor circuits by checking for unexpected voltage.The TCCM supplies voltage on each of the motor circuits and reads the voltage back on the other circuit.If TCCM senses a low voltage return on the motor control A or motor control B circuits when a high voltage is expected.The fault must remain current for 1.2 seconds in order to set the DTC.