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 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 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 (also known as the Radio Transceiver Module [RTM]) 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 . |