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.
2020 Ford Fusion Titanium, FWDFACTORY OEM SERVICE PROCEDURE
Section 565 (Module Communications Network)
WARNING: This page is about a different car, the 2020 Ford Transit Connect. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Communications Network - Overview
- Communications Network - System Operation and Component Description
- Diagnosis And Testing
- Communications Network
- DTC Chart: Gateway Module (GWM)
- 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 BECMB (Battery Energy Control Module B) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test C : The Abs (Anti-Lock Brake System) Module Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test D : The Restraints Control Module (RCM) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test E : The IPMA (Image Processing Module A) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test F : The SCCM (Steering Column Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test G : The Instrument Panel Cluster (IPC) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test H : The Body Control Module (BCM) 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 TCM (Transmission Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test K : The OCSM (Occupant Classification System Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test L : The PAM (Parking Assist Control Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test M : The RTM (Radio Transceiver Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test N : The Driver Door Module (DDM) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test O : The Passenger Door Module (PDM) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test P : The Side Obstacle Detection Control Module LH (Sod-L) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test Q : The Side Obstacle Detection Control Module RH (Sod-R) 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 Power Steering Control Module (PSCM) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test T : The HVAC (Heating, Ventilation And Air Conditioning) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test U : The Accessory Protocol Interface Module (APIM) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test V : The GFM (Generic Function Module) (Remote Cd Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test W : The TELEMATIC Control Unit (TCU) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test X : The GFM2 (Generic Function Module 2) (UPFITTER Switch) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test Y : The WACM (Wireless Accessory Charging Module) Does Not Respond To The Diagnostic Scan Tool
- Pinpoint Test Z : All Networks Do Not Respond To The Diagnostic Scan Tool
- Pinpoint Test Aa : No High Speed Controller Area Network 1 (HS-Can1) Communication, All Modules Are Not Responding
- Pinpoint Test Ab : No High Speed Controller Area Network 2 (HS-Can2) Communication, All Modules Are Not Responding
- Pinpoint Test Ac : No High Speed Controller Area Network 3 (HS-Can3) Communication, All Modules Are Not Responding
- Pinpoint Test Ad : No High Speed Controller Area Network 4 (HS-Can4) Communication, All Modules Are Not Responding
- Pinpoint Test AE : No Medium Speed Controller Area Network (Ms-Can) Communication, All Modules Are Not Responding
- Pinpoint Test AF : No Power To The Data Link Connector (DLC)
- Pinpoint Test Ag : U3000:44, U3000:45 Or U3000:49
- Pinpoint Test Ah : U2100:00
- Communications Network
- General Procedures
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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