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.
2004 Ford ThunderbirdFACTORY OEM SERVICE PROCEDURE
Section 328 (Module Communications Network)
WARNING: This page is about a different car, the 2004 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Communications Network
- Powertrain Control Module (PCM)
- Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module
- Restraint Control Module (RCM)
- Dual Electronic Automatic Temperature Control (DEATC) Module
- Instrument Cluster
- Tire Pressure Monitoring System Module
- Variable Assist Power Steering (VAPS) Module
- Driver Seat Module (DSM)
- Vehicle Security Module
- Driver Climate Controlled Seat Module
- Passenger Climate Controlled Seat Module
- Parking Aid Module
- Four-Wheel Drive (4WD) Control Module
- Navigation System Module
- Principles of Operation
- Module Configuration
- Module Controlled Functions
- Communications Network
- Diagnosis And Testing
- Diagnostic Trouble Code Chart
- Communications Network
- Notes
- Inspection and Verification
- System Precheck
- Symptom Chart
- Connector Circuit Reference
- Data Link C251
- ABS/TC Module or Stability Assist Module C155
- Powertrain Control Module (PCM) C175b
- Instrument Cluster C220b
- Dual Electronic Automatic Temperature Control (DEATC) C228b
- Four-Wheel Drive (4WD) Control Module C281b
- Restraint Control Module (RCM) C310a
- Driver Seat Module (DSM) C341e
- Driver Seat Module (DSM) C341g
- Vehicle Security Module C3008d
- Vehicle Security Module C3008e
- Vehicle Security Module C3008f
- Driver Climate Controlled Seat Module C3031b
- Passenger Climate Controlled Seat Module C3036b
- Variable Assist Power Steering (VAPS) Module C2231b
- Tire Pressure Monitoring System Module C3183
- Parking Aid Module C4014
- Navigation System Module C4209
- Pinpoint Test
- Pinpoint Test A: The Variable Assist Power Steering (VAPS) Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test B: The Vehicle Security Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test C: The Four-Wheel Drive (4WD) Control Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test D: The Restraint Control Module (RCM) Does Not Respond To The Diagnostic Tool
- Pinpoint Test E: The Tire Pressure Monitoring System Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test F: The Driver Seat Module (Dsm) Does Not Respond To The Diagnostic Tool
- Pinpoint Test G: The Parking Aid Module Does Not Respond To The Diagnostic
- Pinpoint Test H: The Powertrain Control Module (PCM) Does Not Respond To The Diagnostic Tool
- Pinpoint Test I: The Instrument Cluster Does Not Respond To The Diagnostic Tool
- Pinpoint Test J: The Dual Electronic Automatic Temperature Control (DEATC) Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test K: The Anti-Lock Brake System/Traction Control (ABS/TC) Module Or Stability Assist Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test L: The Driver Climate Controlled Seat Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test M: The Passenger Climate Controlled Seat Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test N: The Navigation System Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test O: No Standard Corporate Protocol (SCP) Network Communication
- Pinpoint Test P: No International Standards Organization (ISO) 9141 Network Communication
- Pinpoint Test Q: No Universal Asynchronous Receiver-Transmitter (UART)-Based Protocol (UBP) Network Communication
- Pinpoint Test R: No Instrument Cluster Universal Asynchronous Receiver-Transmitter (UART)-Based Protocol (UBP) Network Communication
- Pinpoint Test S: No Module/Network Communication - No Power To The Diagnostic Tool
- General Procedures
- Programmable Module Installation
- Using the New Generation STAR (NGS) Tester When the Original Body Chassis Electrical Module is Not Available
- Using the New Generation STAR (NGS) Tester When the Original Body Chassis Electrical Module is Available
- Using the Worldwide Diagnostic System (WDS) When the Original Body Chassis Electrical Module is Not Available
- Using the Worldwide Diagnostic System (WDS) When the Original Body Chassis Electrical Module is Available
- Programmable Module Installation
- Removal And Installation
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.