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 Excursion 5.4 L, RWDFACTORY OEM SERVICE PROCEDURE
Communication System DTCS (U Codes)
COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| U1058 | SCP (J1850) Invalid or Missing Data for Transmission Fluid Temp | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/PRNDL | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| U1262 | SCP (J1850) Communication Bus Fault | Instrument Cluster | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1950 | UBP Communication Bus Fault | DSM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1950 | UBP Communication Bus Fault | Vehicle Security Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1950 | UBP Communication Bus Fault | Instrument Cluster | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2015 | Signal Link Fault (Non SCP) | Message Center | REFER to INFORMATION AND MESSAGE CENTER . |
| U2016 | Signal Link Short to Ground (Non SCP) | Message Center | REFER to INFORMATION AND MESSAGE CENTER . |
| U2226 | UBP Invalid Data from Node ID $10 (PCM) | Vehicle Security Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2306 | UBP Invalid Data from Node ID $60 | DSM | REFER to MODULE COMMUNICATIONS NETWORK . |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.