Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1312 (STEERING SYSTEM)DIAGNOSIS AND TESTINGSTEERING SYSTEMSYMPTOM CHART - STEERING SYSTEM

2005 Ford Taurus SEL, 4D Sedan

Symptom Chart - Steering System

2005 Ford Taurus SEL, 4D SedanSECTION Symptom Chart - Steering System

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

STEERING SYSTEM SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the Power Steering Control Module (PSCM)	Wiring, terminals or connectors Fuse(s) PSCM	REFER to DIAGNOSIS AND TESTING to diagnose the no communication problem.
Excessive steering wheel play	Steering column shaft/U-joints Steering linkage Steering gear	GO to PINPOINT TEST C .
Steering system drift/pull/wander	Steering column shaft/U-joint Steering column Steering gear mounts Steering column torsion bar	GO to PINPOINT TEST D .
Poor returnability/sticky steering	Binding lower steering column shaft coupling/U-joints Loose, worn or damaged steering linkage Binding suspension components Binding steering gear Binding steering column bearing(s) Binding steering column shaft dash panel seal Steering wheel position sensor not calibrated Alignments/suspension	GO to PINPOINT TEST E .
Lack of assist or inconsistent assist	Suspension components Steering components Wiring terminals or connectors Low battery/charging system voltage	GO to PINPOINT TEST E .
The active park assist system does not activate	DTCs present in PAM , PSCM and/or ABS module.	RETRIEVE and RECORD all DTCs. DIAGNOSE all PAM DTCs before diagnosing any PSCM or ABS module DTCs. For PAM and ABS module DTCs, REFER to the DIAGNOSTIC TROUBLE CODE (DTC) CHART . For PSCM DTCs, REFER to the POWER STEERING CONTROL MODULE (PSCM) DTC CHART .
The active park assist system deactivates during parking maneuvers	Driver input via steering wheel	REFER customer to the active park assist section of the Owner's Literature for correct system operation.
	DTCs present in PAM , PSCM and/or ABS module.	RETRIEVE and RECORD all DTCs. DIAGNOSE all PAM DTCs before diagnosing any PSCM or ABS module DTCs. For PAM and ABS module DTCs, REFER to the DIAGNOSTIC TROUBLE CODE (DTC) CHART . For PSCM DTCs, REFER to the POWER STEERING CONTROL MODULE (PSCM) DTC CHART .

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.