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.
2002 Ford Excursion 2WD V10-6.8LFACTORY OEM SERVICE PROCEDURE
Information Bus
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Pinpoint Test PC (Precheck)
- Test A: 4WABS Control Module Does Not Respond to Diagnostic Tool
- Test B: RCC Module Does Not Respond To The Diagnostic Tool
- Test C: Overhead Trip Computer Does Not Respond to Diagnostic Tool
- Test D: 4WD Control Module No Response To Diagnostic Tool
- Test E: Parking Aid Module (PAM) Does Not Respond to the Scan Tool
- Test F: PCM Does Not Respond To The Diagnostic Tool
- Test H: PATS Module Does Not Respond To The Diagnostic Tool
- Test I: IC Module Does Not Respond to the Scan Tool
- Test K: EATC Module Does Not Respond To The Diagnostic Tool
- Test L: DSM Module Does Not Respond To The Diagnostic Tool
- Test M: Vehicle Security Module Does Not Respond To Diagnostic Tool
- Test N: IC Does Not Respond To The Diagnostic Tool (UBP)
- Test O: No ISO 9141 Network Communication
- Test P: No SCP Network Communication
- Test Q: No UART Based Protocol (UBP) Network Communication
- Test R: No Module/network Communication
- Programming and Relearning
Service and Repair
Diagrams
Tools and Equipment
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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