Diagnostic Trouble Code (DTC) Chart
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.
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Diagnostic Trouble Code Chart
| Module | DTC | Description | Action |
|---|---|---|---|
| TCCM | P185A:00 | Differential Lock-Up Input Switch Circuit High: No Sub Type Information | GO to Pinpoint Test A |
| TCCM | P185D:00 | Differential Lock-Up Control Circuit Performance: No Sub Type Information | GO to Pinpoint Test D |
| TCCM | P187C:00 | Differential Lock-Up Control Circuit/Open: No Sub Type Information | GO to Pinpoint Test B |
| TCCM | P187D:00 | Differential Lock-Up Control Circuit Low: No Sub Type Information | GO to Pinpoint Test B |
| TCCM | P187E:00 | Differential Lock-Up Control Circuit High: No Sub Type Information | GO to Pinpoint Test C |