Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The vehicle will not start with the scan tool connected to the DLC and/or multiple malfunction indicators are on only while the scan tool is connected to the DLC	DLC ground Wiring, terminals or connectors Scan tool	GO to PINPOINT TEST S .
The PCM does not respond to the scan tool	Wiring, terminals or connectors PCM	REFER to the ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) , 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 Instrument Panel Cluster (IPC) does not respond to the scan tool	Fuse Wiring, terminals or connectors IPC	GO to PINPOINT TEST C .
The Restraints Control Module (RCM) does not respond to the scan tool	Case ground open Fuse Wiring, terminals or connectors RCM	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 Smart Junction Box (SJB) does not respond to the scan tool	Fuse Wiring, terminals or connectors SJB	GO to PINPOINT TEST F .
The Body Control Module B (BCM-B) does not respond to the scan tool	Fuse Wiring, terminals or connectors BCM-B	GO to PINPOINT TEST G .
The HVAC module does not respond to the scan tool	Fuse Wiring, terminals or connectors HVAC module	GO to PINPOINT TEST H .
The Audio Front Control Module (ACM) does not respond to the scan tool	Fuse Wiring, terminals or connectors ACM	GO to PINPOINT TEST I .
The Front Controls Interface Module (FCIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FCIM	GO to PINPOINT TEST J .
The Front Display Interface Module (FDIM) does not respond to the scan tool (without navigation)	Fuse Wiring, terminals or connectors FDIM	GO to PINPOINT TEST K .
The Global Positioning System Module (GPSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors GPSM	GO to PINPOINT TEST L .
The Accessory Protocol Interface Module (APIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors APIM	GO to PINPOINT TEST M .
The Power Steering Control Module (PSCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PSCM	GO to PINPOINT TEST N .
The Parking Aid Module (PAM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PAM	GO to PINPOINT TEST O .
The Vehicle Dynamics Module (VDM) does not respond to the scan tool	Fuse Wiring, terminals or connectors VDM	GO to PINPOINT TEST P .
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors APIM (if equipped) ACM BCM-B FCIM FDIM (without navigation) HVAC module (if equipped) IPC (gateway module) SJB	GO to PINPOINT TEST Q .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding	Wiring, terminals or connectors ABS module APIM (if equipped) Engine temperature gauge (if equipped) IPC OCSM PAM PCM PSCM VDM	GO to PINPOINT TEST R .
No power to the scan tool	Fuse Wiring, terminals or connectors Scan tool Data Link Connector (DLC)	GO to PINPOINT TEST S .