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.
2008 Ford Taurus FWD V6-3.5LFACTORY OEM SERVICE PROCEDURE
Information Bus
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Test A: The PCM Does Not Respond To The Scan Tool
- Test B: The ABS Module Does Not Respond To The Scan Tool
- Test C: The Instrument Cluster Does Not Respond To The Scan Tool
- Test D: The Four Wheel Drive (4WD) Control Module Does Not Respond To The Scan Tool
- Test E: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool
- Test F: The Occupant Classification Sensor (OCS) Module Does Not Communicate With The Scan Tool
- Test G: The Power Steering Control Module Does Not Respond To The Scan Tool
- Test H: The Smart Junction Box (SJB) Does Not Respond To The Scan Tool
- Test I: The Audio Unit Does Not Respond To The Scan Tool
- Test J: The Driver Seat Module (DSM) Does Not Respond To The Scan Tool
- Test K: The Digital Versatile Disc (DVD) Player Does Not Respond To The Scan Tool
- Test L: The Power Liftgate Module Does Not Communicate With The Scan Tool
- Test M: The Satellite Radio Receiver Does Not Respond To The Scan Tool
- Test N: The Electronic Automatic Temperature Control (EATC) Or Electronic Manual Temperature Control (EMTC) Module Does Not Res
- Test O: The Parking Aid Module Does Not Respond To The Scan Tool
- Test P: No Power To The Scan Tool
- Test Q: No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding
- Test R: No Medium Speed Controller Area Network (MS-CAN) Communication, All Modules Are Not Responding
- Test S: Intermittent No High Speed Controller Area Network (HS-CAN) Communication, One Or More Modules Are Not Responding Durin
- Test T: Intermittent No Medium Speed Controller Area Network (MS-CAN) Communication, One Or More Modules Are Not Responding Dur
- Programming and Relearning
Diagrams
Tools and Equipment
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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