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.
2005 Ford ThunderbirdFACTORY OEM SERVICE PROCEDURE
Module Communications Network DTCS
MODULE COMMUNICATIONS NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| U1009 | SCP (J1850) Invalid or Missing Data for Engine Torque | ABS Module | CARRY OUT the PCM self-test. For any engine related DTCs, See INTRODUCTION - GASOLINE article . If no engine DTCs, GO to PINPOINT TEST A . |
| U1027 | SCP (J1850) Invalid or Missing Data for Engine RPM | ABS Module | CARRY OUT the PCM self-test. For any engine related DTCs, See INTRODUCTION - GASOLINE article . If no engine related DTCs, GO to PINPOINT TEST A . |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/PRNDL | ABS Module | CARRY OUT the PCM self-test. For any transmission related DTCs, REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S . If no transmission related DTCs, GO to PINPOINT TEST A . |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | Instrument Cluster | CARRY OUT the PCM self-test. For any engine coolant temperature (ECT) related DTCs, See INTRODUCTION - GASOLINE article . If no ECT DTCs, GO to PINPOINT TEST D . |
| U1147 | SCP (J1850) Invalid or Missing Data for Vehicle Security | Instrument Cluster | CHECK the PCM calibration. See INTRODUCTION - GASOLINE article . If PCM calibration is correct, GO to PINPOINT TEST D . |
| U1262 | SCP (J1850) Communication Bus Fault | Instrument Cluster | GO to PINPOINT TEST D . |
| U1262 | SCP (J1850) Communication Bus Fault | ABS Module | GO to PINPOINT TEST A . |
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.
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