Symptom Chart-- External Controls
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
In most circumstances, the PCM/ TCM and/or the BCM will set a DTC to help guide with diagnostics. Refer to the DTC Chart before using the symptom chart. The Condition column lists the vehicle condition. The Action column refers to a pinpoint test. Each pinpoint test lists the possible sources of the concern in order of disassembly.
Symptom Chart -- External Controls
| Condition | Action |
|---|---|
| Brake shift interlock system does not release/lock correctly | GO to Pinpoint Test A |
| The PRNDL display does not correspond to the selected gear | GO to Pinpoint Test D |
| The PRNDL indicator is always on or never on | GO to Pinpoint Test E |
| The tow/haul switch is not operating correctly | GO to Pinpoint Test B |
| The SelectShift™ switch is not operating correctly | GO to Pinpoint Test C |
| Water enters inside the vehicle | GO to Pinpoint Test F |
| Excessive selector lever effort | GO to Pinpoint Test G |
| The transmission does not change ranges with the selector lever | GO to Pinpoint Test H |