Symptom Chart: Communication Network
WARNING: This page is about a different car, the 2017 Ford Police Interceptor Utility and 2017 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Symptom Chart
| Condition | Possible Sources | 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 | Refer to the Pinpoint Test | GO to Pinpoint Test AM |
| No HS-CAN1 communication, all modules are not responding | Refer to the Pinpoint Test | GO to Pinpoint Test AI |
| No HS-CAN2 communication, all modules are not responding | Refer to the Pinpoint Test | GO to Pinpoint Test AJ |
| No HS-CAN3 communication, all modules are not responding | Refer to the Pinpoint Test | GO to Pinpoint Test AK |
| No MS-CAN communication, all modules are not responding | Refer to the Pinpoint Test | GO to Pinpoint Test AL |
| The PCM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| The ABS module does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test B |
| The RCM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test C |
| The OCS module does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test D |
| The SCCM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test E |
| The IPC does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test F |
| The BCM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test G |
| The HVAC module does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test H |
| The RHVAC module does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test I |
| The ACM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test J |
| The FCDIM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test K |
| The Front Controls Interface Module B (FCIM-B) does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test L |
| The HSWM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test M |
| The IPMA does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test N |
| The IPMB does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test O |
| The GPSM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test P |
| The APIM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test Q |
| The DSP does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test R |
| The DACMC does not respond to the diagnostic scan tool (integrated with the ACM) | Refer to the Pinpoint Test | GO to Pinpoint Test J |
| The RTM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test S |
| The PSCM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test T |
| The DSM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test U |
| The SCME does not respond to the diagnostic scan tool (integrated with the DSM) | Refer to the Pinpoint Test | GO to Pinpoint Test U |
| The SCMG does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test V |
| The SCMH does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test W |
| The DDM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test X |
| The PDM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test Y |
| The SODL does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test Z |
| The SODR does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test AA |
| The CCM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test AB |
| The HUD module does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test AC |
| The HCM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test AD |
| The PAM does not respond to the diagnostic scan tool (integrated with the BCM) | Refer to the Pinpoint Test | GO to Pinpoint Test G |
| The RGTM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test AE |
| The ATCM does not respond the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test AF |
| The GFM does not respond to the diagnostic scan tool (Police option only) | Refer to the Pinpoint Test | GO to Pinpoint Test AG |
| The GWM does not respond to the diagnostic scan tool | Refer to the Pinpoint Test | GO to Pinpoint Test AH |
| No power to the DLC | Refer to the Pinpoint Test | GO to Pinpoint Test AM |