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Home >> Ford >> 2019 >> Mustang EcoBoost, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission External Controls >> Diagnosis And Testing >> External Controls >> Symptom Chart
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Symptom Chart

Customer Symptom Action
Selector lever binding or difficult to move - requires excessive effort GO to Pinpoint Test C 
Selector lever linkage is out of correct gear relationship GO to Pinpoint Test D 
Brake shift interlock system does not release/lock correctly GO to Pinpoint Test E 
Brake shift interlock override does not release the selector lever GO to Pinpoint Test F 
Paddle shift does not operate correctly GO to Pinpoint Test B 
The ignition key cannot be returned to the OFF position or the ignition key can be turned to the OFF position when the selector lever is not in P GO to Pinpoint Test H 
Vibration -- a high frequency (20-80 Hz) that is felt through the seat or selector lever. Changes with engine speed GO to Pinpoint Test G 
The PRNDL indicator does not illuminate P GO to Pinpoint Test I