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.
2011 Ford Ranger 2WD L4-2.3LFACTORY 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
- Pinpoint Test A: The PCM Does Not Respond To The Scan Tool
- Pinpoint Test B: The Occupant Classification System Module (OCSM) Does Not Communicate With the Scan Tool
- Pinpoint Test C: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool
- Pinpoint Test D: The Smart Junction Box (SJB) Does Not Respond To The Scan Tool
- Pinpoint Test E: The Instrument Cluster (IC) Does Not Respond To The Scan Tool
- Pinpoint Test F: The 4X4 Control Module Does Not Respond To The Scan Tool
- Pinpoint Test G: The ABS Module Does Not Respond To The Scan Tool
- Pinpoint Test H: Intermittent No High Speed Controller Area Network (HS-CAN) Communication, One Or More Modules Are Not Respond
- Pinpoint Test I: No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding
- Pinpoint Test J: The Satellite Digital Audio Receiver System (SDARS) Module Does Not Respond To The Scan Tool, or No Medium Spe
- Pinpoint Test K: No Power To The Scan Tool
- Programming and Relearning
Diagrams
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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