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.
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HOMESERVICE MANUALSFORD1999EXPEDITION 2WD V8-4.6L SOHC VIN 6REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUS
1999 Ford Expedition 2WD V8-4.6L SOHC VIN 6
Information Bus
1999 Ford Expedition 2WD V8-4.6L SOHC VIN 6SECTION Information Bus
Description and Operation
Testing and Inspection- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Pinpoint Test Icons
- A: Anti-Lock Brake Control Module Does Not Respond To NGS
- B: Antitheft Personality Module Does Not Respond To NGS
- C: Generic Electronic Module Does Not Respond To NGS
- D: Restraint Control Module (REM) Does Not Respond To NGS
- E: Air Suspension Control Module Does Not Respond To NGS
- F: Drive Seat Module (DSM) Does Not Respond To NGS
- G: Powertrain Control Module (PCM) Does Not Respond To NGS
- H: Instrument Cluster Module Does Not Respond To NGS
- J: EATC Module Does Not Respond To NGS
- K: No Module/ Network Communication - SCP Network
- L: No Module/ Network Communication - ISO 9141 Network
- M: No Module /Network Communication - No Power To NGS
- Component Tests and General Diagnostics
Service and Repair
Diagrams
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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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.