Symptom Chart: Automatic Transmission - External Controls
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to
DIAGNOSTIC METHODS
for information regarding Ford-specific diagnostic practices.
SYMPTOM CHART
| Condition |
Possible Sources |
Actions |
- Brake shift interlock system does not release/lock correctly
|
- Circuitry shorted to ground
- Fuse 18 (10A)
- BCM
- BSIA
|
|
- SelectShift ™ does not operate correctly
|
- Circuitry open/shorted
- PCM
- SelectShift ™ switch
|
|
- Selector lever linkage is out of correct gear relationship
|
- Selector lever linkage out of adjustment
- Manual control lever not aligned correctly on the sensor (flat surfaces do not line up)
- Loose selector lever cable bracket
|
|
- Vibration - a high frequency (20-80 Hz) that is felt through the seat or selector lever. Changes with engine speed
|
- Selector lever cable grounded out or loose
|
|