Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Tire Pressure Monitoring System (TPMS)
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| DTC | Description | Action |
|---|---|---|
| B1182:00 | Tire Pressure Monitoring System: No Sub Type Information | GO to Pinpoint Test A |
| B1182:55 | Tire Pressure Monitoring System: Not Configured | GO to Pinpoint Test L |
| B124D:02 | Tire Pressure Sensor: General Signal Failure | GO to Pinpoint Test B |
| B1251:00 | Tire Pressure Sensor Low Battery: No Sub Type Information | GO to Pinpoint Test C |
| B1254:51 | Right Rear (Outside on Duel Wheel) Tire Pressure Sensor and Transmitter Assembly: Not Programmed | GO to Pinpoint Test L |
| B1255:51 | Left Rear (Outside On Duel Wheel) Tire Pressure Sensor and Transmitter Assembly: Not Programmed | GO to Pinpoint Test L |
| C1A56:51 | Left Front Tire Pressure Sensor and Transmitter Assembly: Not Programmed | GO to Pinpoint Test L |
| C1A58:51 | Right Front Tire Pressure Sensor and Transmitter Assembly: Not Programmed | GO to Pinpoint Test L |
| U0559:56 | Invalid Data Received From Radio Transceiver: Invalid/Incompatible Configuration | GO to Pinpoint Test K |
| U0146:00 | Lost Communication With Serial Data Gateway "A": No Sub Type Information | GO to Pinpoint Test H |
| U0401:00 | Invalid Data Received from ECM/PCM A: No Sub Type Information | GO to Pinpoint Test J |
| U0401:82 | Invalid Data Received from ECM/PCM A: Alive/Sequence Counter Incorrect/Not Updated | GO to Pinpoint Test J |
| U1A00:00 | Private Communication Network: No Sub Type Information | GO to Pinpoint Test I |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | GO to Pinpoint Test K |
| U3000:04 | Control Module: System Internal Failures | GO to Pinpoint Test K |
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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