Possible causes
– Faulty Transmission Speed Sensor
– Transmission Speed Sensor harness is open or shorted
– Transmission Speed Sensor circuit poor electrical connection
– Transmission Speed Sensor harness is open or shorted
– Transmission Speed Sensor circuit poor electrical connection
When is the code detected?
Vehicle speed sensor above 1 MPH and the ECM detected the trans speed sensor signal contained noise
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Possible shifting problems
– Possible shifting problems
P0718 FORD Description
The input speed sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module (ECM).
FORD Technical Service Bulletins for P0718 code
2007 FORD EDGE POWER TRAIN:AUTOMATIC TRANSMISSION
2008 FORD EDGE POWER TRAIN:AUTOMATIC TRANSMISSION
2008 FORD TAURUS POWER TRAIN:AUTOMATIC TRANSMISSION
2008 FORD TAURUS X POWER TRAIN:AUTOMATIC TRANSMISSION
1998 FORD ECONOLINE POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
1999 FORD ECONOLINE POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
1999 FORD EXPEDITION UNKNOWN OR OTHER
1999 FORD F-150 UNKNOWN OR OTHER
1999 FORD F-250 UNKNOWN OR OTHER