DTC Chart: PCM
WARNING: This page is about a different car, the 2022 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices.
| Module | DTC | Description | Action |
|---|---|---|---|
| PCM | P1820-00 | Transfer Case Clockwise Shift Relay Coil Circuit Failure | GO to Pinpoint Test G |
| PCM | P1821-00 | Transfer Case Clockwise Shift Relay Coil Open Circuit | GO to Pinpoint Test G |
| PCM | P1822-00 | Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery | GO to Pinpoint Test G |
| PCM | P1823-00 | Transfer Case Clockwise Shift Relay Coil Short Circuit To Ground | GO to Pinpoint Test G |
| PCM | P1828-00 | Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure | GO to Pinpoint Test G |
| PCM | P1829-00 | Transfer Case Counter Clockwise Shift Relay Coil Open Circuit | GO to Pinpoint Test G |
| PCM | P1830-00 | Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To Battery | GO to Pinpoint Test G |
| PCM | P1831-00 | Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To Ground | GO to Pinpoint Test B GO to Pinpoint Test G |
| PCM | P184A-00 | Transfer Case Unable To Transition Between 4x2 and 4x4 Mode | CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC returns, GO to Pinpoint Test B |
| PCM | P184B-00 | Transfer Case Unable To Transition Between 4x4 High and 4x4 Low Range | CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC returns, GO to Pinpoint Test C |
| PCM | P1870-00 | Mechanical Transfer Case 4x4 Switch Circuit Failure | GO to Pinpoint Test B |
| PCM | P1871-00 | Mechanical Transfer Case 4x4 Switch Circuit Short To Battery | GO to Pinpoint Test B |
| PCM | P1874-00 | Transfer Case Hall Effect Sensor Power Circuit Failure | GO to Pinpoint Test B |
| PCM | P1875-00 | Transfer Case Hall Effect Sensor Power Circuit Short To Battery | GO to Pinpoint Test B |
| PCM | U0121:00 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: No Sub Type Information | GO to Pinpoint Test L |
| ATCM | B11D9:16 | Vehicle Battery: Circuit Voltage Below Threshold | GO to Pinpoint Test J |
| ATCM | B11D9:17 | Vehicle Battery: Circuit Voltage Above Threshold | GO to Pinpoint Test J |
| ATCM | B13FC:67 | Brake Manager (ABS) All Terrain System State: Signal Incorrect After Event | GO to Pinpoint Test O |
| ATCM | B1402:67 | Torque Manager (ECM/PCM) All Terrain System State: Signal Incorrect After Event | GO to Pinpoint Test P |
| ATCM | U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | GO to Pinpoint Test K |
| TCCM | U0121:00 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: No Sub Type Information | GO to Pinpoint Test L |
| TCCM | U0140:00 | Lost Communication With Body Control Module (BCM): No Sub Type Information | GO to Pinpoint Test M |
| ATCM | U3000:49 | Control Module: Internal Electronic Failure | GO to Pinpoint Test Q |