Symptom Chart

WARNING: This page is about a different car, the 2008 Mercury Sable, 2008 Ford Taurus X, and 2008 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
The PCM does not respond to the scan tool	Fuse Wiring, terminals or connectors PCM	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 cluster (IC) does not respond to the scan tool	Fuse Wiring, terminals or connectors IC	Go to Pinpoint Test C .
The 4X4 control module does not respond to the scan tool	Fuse Wiring, terminals or connectors 4X4 control module	Go to Pinpoint Test D .
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 E .
The occupant classification system module (OCSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors Case ground open OCSM	Go to Pinpoint Test F .
The steering effort control module (SECM) does not respond to the scan tool	Fuse Wiring, terminals or connectors SECM	Go to Pinpoint Test G .
The smart junction box (SJB) does not respond to the scan tool	Fuse Wiring, terminals or connectors SJB	Go to Pinpoint Test H .
The audio control module (ACM) does not respond to the scan tool	Fuse Wiring, terminals or connectors ACM	Go to Pinpoint Test I .
The driver seat module (DSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors DSM	Go to Pinpoint Test J .
The rear entertainment module (RETM) does not respond to the scan tool	Fuse Wiring, terminals or connectors RETM	Go to Pinpoint Test K .
The liftgate/trunk module (LTM) does not respond to the scan tool	Fuse Wiring, terminals or connectors LTM	Go to Pinpoint Test L .
The satellite digital audio receiver system (SDARS) module does not respond to the scan tool	Fuse Wiring, terminals or connectors SDARS module	Go to Pinpoint Test M .
The heating ventilation air conditioning (HVAC) module does not respond to the scan tool	Fuse Wiring, terminals or connectors HVAC module	Go to Pinpoint Test N .
The accessory protocol interface module (APIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors APIM	Go to Pinpoint Test O .
The parking aid module (PAM) does not respond to the scan tool	Fuse Wiring, terminals or connectors Parking aid module	Go to Pinpoint Test P .
No power to the scan tool	Fuse Wiring, terminals or connectors Scan tool	Go to Pinpoint Test Q .
Intermittent no high speed controller area network (HS-CAN) communication, one or more modules are not responding during network test	Wiring, terminals or connectors	Go to Pinpoint Test R .
No high speed controller area network (HS-CAN) communication, all modules are not responding	Wiring, terminals or connectors ABS module APIM 4X4 control module (if equipped) IC OCSM PCM RCM SECM	Go to Pinpoint Test S .
Intermittent no medium speed controller area network (MS-CAN) communication, one or more modules are not responding during network test	Wiring, terminals or connectors	Go to Pinpoint Test T .
No medium speed controller area network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors ACM RETM (if equipped) SDARS module (if equipped) DSM (if equipped) HVAC module (if equipped) SJB IC	Go to Pinpoint Test U .