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.
2003 Lincoln Aviator AWDFACTORY OEM SERVICE PROCEDURE
Tire Pressure Monitor System (TPMS) DTCS
TIRE PRESSURE MONITOR SYSTEM (TPMS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1342 | ECU is Defective | TPMS Module | INSTALL a new Tire Pressure Monitor module. REFER to TIRE PRESSURE MONITORING SYSTEM MODULE . |
| B2477 | Module Configuration Failure/ Mismatch | TPMS Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| B2849 | Horn Output Relay Circuit Open | TPMS Module | Go To PINPOINT TEST D . |
| B2872 | Tire Pressure Sensor Fault | TPMS Module | Go To PINPOINT TEST E . |
| B2885 | Spare Tire Pressure Sensor Fault | TPMS Sensor | Go To PINPOINT TEST E . |
| C2780 | ECU in Manufacturing Mode | TPMS Module | The TPMS module is in manufacturing mode and must undergo the removal and installation process. REFER to the steps in TIRE PRESSURE MONITORING SYSTEM MODULE . |
| U1014 | SCP Invalid or Missing Data for Vehicle Speed | SCP | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1262 | SCP Communication Bus Fault | SCP | REFER to MODULE COMMUNICATIONS NETWORK . |
Factory Service Tools
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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.