LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2015 >> Taurus SHO >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Module Communications Network >> Diagnosis And Testing >> Communications Network >> Symptom Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom Chart

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

NOTE: The TPM module is also known as Radio Transceiver Module (RTM).

Symptom Chart

Condition Possible Sources Action
The vehicle does not start with the diagnostic scan tool connected to the Data Link Connector (DLC) and/or multiple malfunction indicators are only on when the diagnostic scan tool is connected to the DLC Wiring, terminals or connectors
Diagnostic scan tool
GO to Pinpoint Test AH .
The PCM does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
PCM
REFER to ENGINE CONTROLS - PINPOINT TESTS (EXCEPT DIESEL & HYBRID) , pinpoint test QA before proceeding to Pinpoint Test A. If pinpoint test QA has been completed, GO to Pinpoint Test A .
The ABS module does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
ABS module
GO to Pinpoint Test B .
The Body Control Module (BCM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
BCM
GO to Pinpoint Test C .
The Instrument Panel Cluster (IPC) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
IPC
GO to Pinpoint Test D .
The Power Steering Control Module (PSCM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
PSCM
GO to Pinpoint Test E .
The Restraints Control Module (RCM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Case ground open
RCM
GO to Pinpoint Test F .
The Occupant Classification System Module (OCSM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
OCSM
GO to Pinpoint Test G .
The Head Up Display (HUD) module does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
HUD module
GO to Pinpoint Test H .
The Steering Column Control Module (SCCM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
SCCM module
GO to Pinpoint Test I .
The Cruise-Control Module (C-CM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
C-CM
GO to Pinpoint Test J .
The Parking Aid Module (PAM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
PAM
GO to Pinpoint Test K .
The Remote Function Actuator (RFA) module does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
RFA module
GO to Pinpoint Test L .
The Accessory Protocol Interface Module (APIM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
APIM
GO to Pinpoint Test M .
The Audio Front Control Module (ACM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
ACM
GO to Pinpoint Test N .
The Front Controls Interface Module (FCIM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
FCIM
GO to Pinpoint Test O .
NOTE: Vehicles equipped with a navigation ACM utilize a non-networked FCDIM.
The Front Control/Display Interface Module (FCDIM) does not respond to the diagnostic scan tool
Fuse
Wiring, terminals or connectors
FCDIM
GO to Pinpoint Test P .
The Global Positioning System Module (GPSM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
GPSM
GO to Pinpoint Test Q .
The Tire Pressure Monitor (TPM) module (Radio Transceiver Module [RTM]) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Tire Pressure Monitor (TPM) module (Radio Transceiver Module [RTM])
GO to Pinpoint Test R .
The Side Obstacle Detection Control Module - Left (SOD-L) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
SOD-L
GO to Pinpoint Test S .
The Side Obstacle Detection Control Module - Right (SOD-R) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
SOD-R
GO to Pinpoint Test T .
The Driver Seat Module (DSM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
DSM
GO to Pinpoint Test U .
The Heating Ventilation Air Conditioning (HVAC) module does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
HVAC module
GO to Pinpoint Test V .
The audio Digital Signal Processing (DSP) module does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Audio DSP module
GO to Pinpoint Test W .
The Driver Door Module (DDM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
DDM
GO to Pinpoint Test X .
The Heated Steering Wheel Module (HSWM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
HSWM
GO to Pinpoint Test Y .
The Dual Climate Controlled Seat Module (DCSM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
DCSM
GO to Pinpoint Test Z .
The Generic Function Module (GFM) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
GFM
GO to Pinpoint Test AA .
The Image Processing Module - A (IPM-A) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
IPM-A
GO to Pinpoint Test AB .
The Driver Active Motion Seat Module (SCMG) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Driver Active Motion Seat Module (SCMG)
GO to Pinpoint Test AC .
The Passenger Active Motion Seat Module (SCMH) does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Passenger Active Motion Seat Module (SCMH)
GO to Pinpoint Test AD .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding Wiring, terminals or connectors
ABS module
APIM (if equipped)
BCM
C-CM (if equipped)
GFM (police package)
HUD module (if equipped)
IPC (gateway module)
IPM-A
OCSM
PAM (if equipped)
PCM
PSCM (if equipped)
RCM
SCCM module
GO to Pinpoint Test AE .
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding Wiring, terminals or connectors
APIM (if equipped)
BCM
DCSM (if equipped)
DDM (if equipped)
DSM (if equipped)
GPSM (if equipped)
HSWM (if equipped)
HVAC module
RFA module (if equipped)
Driver Active Motion Seat Module (SCMG) (if equipped)
Passenger Active Motion Seat Module (SCMH) (if equipped)
SOD-L (if equipped)
SOD-R (if equipped)
TPM module (Radio Transceiver Module [RTM])
GO to Pinpoint Test AF .
No Infotainment Controller Area Network (I-CAN) communication, all modules are not responding Wiring, terminals or connectors
APIM (if equipped)
ACM
Audio DSP module (if equipped)
FCIM
FCDIM
IPC (gateway module)
GO to Pinpoint Test AG 
No power to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Data Link Connector (DLC)
Diagnostic scan tool
GO to Pinpoint Test AH .