Automatic Transmission - Diagnosis - 4R44E & 4R55E Automatic Transmission: Summary
If no codes (or pass code 111-1-111) is present but driveability problem still exists, return to TROUBLE SHOOTING in FORD 4R44E & 4R55E overhaul article.
If no Diagnostic Trouble Code (DTC) is present but driveability problem still exists, return to TROUBLE SHOOTING in FORD 4R44E & 4R55E OVERHAUL article for symptom diagnosis procedures.
NOTE:
CIRCUIT TESTS and PINPOINT TESTS are diagnostic formats used to test and service EEC-V system. QUICK TEST allows technician to identify problems and retrieve service codes. CIRCUIT TESTS check engine circuits, sensors and actuators. PINPOINT TESTS check transaxle circuits, sensors and actuators.