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 MANUALSFORD1999F 150 2WD PICKUP V6-4.2L VIN 2REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUS
1999 Ford F 150 2WD Pickup V6-4.2L VIN 2
Information Bus
1999 Ford F 150 2WD Pickup V6-4.2L VIN 2SECTION Information Bus
Description and Operation
Testing and Inspection- Flow of Diagnosis
- Pinout Values and Diagnostic Parameters
- Module Communication Network
- Inspection and Verification (Start Here)
- Diagnostic Special Service Tool(s)
- System Precheck
- Pinpoint Tests
- A: No Response to the NGS Tester - 4-Wheel ABS Control Module
- B: Remote Anti-Theft Module - No Response to NGS Tester
- C: No Response to NGS Tester - GEM/CTM
- D: No Response to NGS Tester - Restraint Control Module (RCM)
- E: Powertrain Control Module Does Not Respond To NGS Tester
- F: Natural Gas Veh. Module (NGVM) Doesn't Respond To NGS Tester
- G: Module/Network Communication - ISO 9141 Comm. Network
- H: Module/Network Communication - SCP Communication Network
- I: Instrument Cluster Module No Response To NGS Tester
- J: Module/Network Communication - No Power to the NGS Tester
- Symptom Chart
- Module Configuration
- Module Communication Network
Locations
Service and Repair
Diagrams
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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.