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.
2001 Ford Excursion 7.3 F, RWDFACTORY OEM SERVICE PROCEDURE
Section 339 (Module Communications Network System)
WARNING: This page is about a different car, the 2002 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Diagnosis And Testing
- Communications Network
- Notes
- Special Tool(s)
- Inspection and Verification
- System Precheck
- Symptom Chart
- Pinpoint Tests
- Notes
- Pinpoint Test A: The Module Does Not Respond To The Diagnostic Tool - Anti-Lock Brake Control Module
- Pinpoint Test B: The Module Does Not Respond To The Diagnostic Tool - Audio Control Module (ACM)
- Pinpoint Test C: The Module Does Not Respond To The Diagnostic Tool - Driver Door Module (DDM)
- Pinpoint Test D: The Module Does Not Respond To The Diagnostic Tool - Driver Seat Module (DSM)
- Pinpoint Test E: The Module Does Not Respond To The Diagnostic Tool - Electronic Automatic Temperature Control (EATC) Module
- Pinpoint Test F: The Module Does Not Respond To The Diagnostic Tool - Restraint Control Module (RCM)
- Pinpoint Test G: The Module Does Not Respond To The Diagnostic Tool - Lighting Control Module (LCM)
- Pinpoint Test H: The Module Does Not Respond To The Diagnostic Tool - Next Generation Speed Control (NGSC) Servo
- Pinpoint Test I: The Telematics Control Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test J: The Module Does Not Respond To The Diagnostic Tool - Powertrain Control Module (Pcm)
- Pinpoint Test K: The Module Does Not Respond To The Diagnostic Tool - Rear Air Suspension Module (RASM)
- Pinpoint Test L: The Module Does Not Respond To The Diagnostic Tool - Hybrid Electronic Cluster (HEC)
- Pinpoint Test M: No Module/Network Communication - SCP Network
- Pinpoint Test N: No Module/Network Communication - No Power To The Diagnostic Tool
- Communications Network
- General Procedures
Factory Service Tools
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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