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.
2023 Ford Escape ST-Line SelectFACTORY OEM SERVICE PROCEDURE
Symptom Chart(s)
WARNING: This page is about a different car, the 2022 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart: Communication Network
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Symptom Chart
| Condition | Actions |
|---|---|
| The vehicle does not start with the diagnostic scan tool connected to the DLC and/or multiple malfunction indicators are only on when the diagnostic scan tool is connected to the DLC | GO to Pinpoint Test AC |
| No HS-CAN1 communication, all modules are not responding | GO to Pinpoint Test X |
| No HS-CAN2 communication, all modules are not responding | GO to Pinpoint Test Y |
| No HS-CAN3 communication, all modules are not responding | GO to Pinpoint Test Z |
| No HS-CAN4 communication, all modules are not responding | GO to Pinpoint Test AA |
| No MS-CAN communication, all modules are not responding | GO to Pinpoint Test AB |
| The PCM does not respond to the diagnostic scan tool | GO to Pinpoint Test A |
| The ABS module does not respond to the diagnostic scan tool | GO to Pinpoint Test B |
| The RCM does not respond to the diagnostic scan tool | GO to Pinpoint Test C |
| The BECMB does not respond to the diagnostic scan tool | GO to Pinpoint Test D |
| The OCSM does not respond to the diagnostic scan tool | GO to Pinpoint Test E |
| The SCCM does not respond to the diagnostic scan tool | GO to Pinpoint Test F |
| The IPC does not respond to the diagnostic scan tool | GO to Pinpoint Test G |
| The BCM does not respond to the diagnostic scan tool | GO to Pinpoint Test H |
| The PAM does not respond to the diagnostic scan tool (integrated with the BCM) | GO to Pinpoint Test H |
| The FCIM module does not respond to the diagnostic scan tool | GO to Pinpoint Test I |
| The ACM does not respond to the diagnostic scan tool | GO to Pinpoint Test J |
| The IPMA does not respond to the diagnostic scan tool | GO to Pinpoint Test K |
| The APIM does not respond to the diagnostic scan tool | GO to Pinpoint Test L |
| The DSP does not respond to the diagnostic scan tool | GO to Pinpoint Test M |
| The TCU does not respond to the diagnostic scan tool | GO to Pinpoint Test N |
| The RTM does not respond to the diagnostic scan tool | GO to Pinpoint Test O |
| The PSCM does not respond to the diagnostic scan tool | GO to Pinpoint Test P |
| The SODL does not respond to the diagnostic scan tool | GO to Pinpoint Test Q |
| The SODR does not respond to the diagnostic scan tool | GO to Pinpoint Test R |
| The HUD module does not respond to the diagnostic scan tool | GO to Pinpoint Test S |
| The TRM does not respond to the diagnostic scan tool | GO to Pinpoint Test T |
| The ATCM does not respond to the diagnostic scan tool | GO to Pinpoint Test U |
| The DCDC does not respond to the diagnostic scan tool | GO to Pinpoint Test V |
| All networks do not respond to the diagnostic scan tool | GO to Pinpoint Test W |
| No power to the DLC | GO to Pinpoint Test AC |
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.