Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The vehicle does not start with the scan tool connected to the Data Link Connector (DLC) and/or multiple malfunction indicators are only on when the scan tool is connected to the DLC.	Wiring, terminals or connectors Scan tool	GO to Pinpoint Test AF .
The PCM does not respond to the scan tool	Wiring, terminals or connectors PCM	REFER to INTRODUCTION article, 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 scan tool	Fuse Wiring, terminals or connectors ABS module	GO to Pinpoint Test B .
The Restraints Control Module (RCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors Case ground open RCM	GO to Pinpoint Test C .
The Front Control/Display Interface Module (FCDIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FCDIM	GO to Pinpoint Test D .
The Occupant Classification System Module (OCSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors OCSM	GO to Pinpoint Test E .
The Headlamp Control Module (HCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors LH headlamp assembly (The HCM is serviced with the LH headlamp assembly)	GO to Pinpoint Test F .
The Steering Column Control Module (SCCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors SCCM	GO to Pinpoint Test G .
The Instrument Panel Cluster (IPC) does not respond to the scan tool	Fuse Wiring, terminals or connectors IPC	GO to Pinpoint Test H .
The Body Control Module (BCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors BCM	GO to Pinpoint Test I .
The HVAC module does not respond to the scan tool	Fuse Wiring, terminals or connectors HVAC module - EMTC HVAC module - DATC	GO to Pinpoint Test J .
The Audio Front Control Module (ACM) does not respond to the scan tool	Fuse Wiring, terminals or connectors ACM	GO to Pinpoint Test K .
The audio Digital Signal Processing (DSP) module does not respond to the scan tool	Fuse Wiring, terminals or connectors Audio DSP module	GO to Pinpoint Test L .
The Front Lighting Control Module (FLM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FLM	GO to Pinpoint Test M .
The Liftgate/Trunk Module (LTM) does not respond to the scan tool	Fuse Wiring, terminals or connectors LTM	GO to Pinpoint Test N .
The Driver Seat Module (DSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors DSM	GO to Pinpoint Test O .
The Global Positioning System Module (GPSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors GPSM	GO to Pinpoint Test P .
The Dual Climate Controlled Seat Module (DCSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors DCSM	GO to Pinpoint Test Q .
The Parking Aid Module (PAM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PAM	GO to Pinpoint Test R .
The Accessory Protocol Interface Module (APIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors APIM	GO to Pinpoint Test S .
The Head Up Display (HUD) module does not respond to the scan tool	Fuse Wiring, terminals or connectors HUD module	GO to Pinpoint Test T .
The Cruise-Control Module (C-CM) does not respond to the scan tool	Fuse Wiring, terminals or connectors C-CM	GO to Pinpoint Test U .
The Side Obstacle Detection Control Module - Left (SOD-L) does not respond to the scan tool	Fuse Wiring, terminals or connectors SOD-L	GO to Pinpoint Test V .
The Side Obstacle Detection Control Module - Right (SOD-R) does not respond to the scan tool	Fuse Wiring, terminals or connectors SOD-R	GO to Pinpoint Test W .
The Tire Pressure Monitor (TPM) module does not respond to the scan tool	Fuse Wiring, terminals or connectors TPM module	GO to Pinpoint Test X .
The Front Controls Interface Module (FCIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FCIM	GO to Pinpoint Test Y .
The Remote Function Actuator (RFA) module does not respond to the scan tool	Fuse Wiring, terminals or connectors RFA module	GO to Pinpoint Test Z .
Heated Steering Wheel Module (HSWM) does not respond to the scan tool	Fuse Wiring, terminals or connectors HSWM	GO to Pinpoint Test AA .
Transmission Control Module (TCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors TCM	GO to Pinpoint Test AB .
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors DLC APIM (if equipped) BCM DCSM (if equipped) DSM (if equipped) GPSM (if equipped) HVAC module HSWM (if equipped) LTM (if equipped) RFA module (if equipped) SOD-L (if equipped) SOD-R (if equipped) TPM module	GO to Pinpoint Test AC .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding	Wiring, terminals or connectors DLC APIM (if equipped) ABS module BCM C-CM (if equipped) FLM HCM (if equipped) HUD module (if equipped) IPC OCSM PAM (if equipped) PCM RCM SCCM TCM (if equipped)	GO to Pinpoint Test AD .
No Infotainment Controller Area Network (I-CAN) communication, all modules are not responding	Wiring, terminals or connectors DLC APIM (if equipped) ACM Audio DSP module (if equipped) FCDIM (if equipped) FCIM IPC	If the IPC does not pass a network test, DIAGNOSIS the IPC first. GO to Pinpoint Test H . If the IPC passes a network test, GO to Pinpoint Test AE .
No power at the Data Link Connector (DLC)	Fuse Wiring, terminals or connectors DLC Scan tool	GO to Pinpoint Test AF .