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.
2018 Ford Taurus SHOFACTORY OEM SERVICE PROCEDURE
Section 31 (Module Communications Network)
WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnosis And Testing
- Communications Network
- DTC Chart(s)
- Symptom Chart(s)
- Pinpoint Tests
- Pinpoint Test A : The Pcm (Powertrain Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test B : The Abs (Anti-Lock Brake System) Module Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test C : The RCM (Restraints Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test D : The BECMB (Battery Energy Control Module B) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test E : The OCSM (Occupant Classification System Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test F : The IPC (Instrument Panel Cluster) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test G : The BCM (Body Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test H : The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test I : The ACM (Audio Front Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test J : The Audio DSP (Audio Digital Signal Processing Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test K : The APIM (Sync Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test L : The TCU (TELEMATIC Control Unit Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test M : The SCCM (Steering Column Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test N : The SODL (Side Obstacle Detection Control Module LH) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test O : The SODR (Side Obstacle Detection Control Module RH) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test P : The PSCM (Power Steering Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test Q : The PAM (Parking Assist Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test R : The TRM (Trailer Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test S : The Gateway Module (GWM) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test T : No High Speed Controller Area Network 1 (HS-Can1) Communication, All Modules Are Not Responding
- Pinpoint Test U : No High Speed Controller Area Network 2 (HS-Can2) Communication, All Modules Are Not Responding
- Pinpoint Test V : No High Speed Controller Area Network 3 (HS-Can3) Communication, All Modules Are Not Responding
- Pinpoint Test W : No Medium Speed Controller Area Network (Ms-Can) Communication, All Modules Are Not Responding
- Pinpoint Test X : No Power To The Data Link Connector (DLC)
- Communications Network
- Removal And Installation
Factory Service Tools
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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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