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 1166 (ENGINE CONTROLS - PINPOINT TESTS - (HYBRID))PINPOINT TEST TP: TRACTION MOTOR OVERSPEEDTEST PROCEDURE
2005 Ford Taurus SEL, 4D Sedan
Test Procedure
2005 Ford Taurus SEL, 4D SedanSECTION Test Procedure
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.
- TP1 CHECK FOR CORRECT TRACTION MOTOR RPM DURING THE ROAD TEST NOTE: Refer to the table at the beginning of this pinpoint test for correct traction motor to vehicle speed correlations.
- Clear the TCM DTCs.
- Access the TCM and monitor the M_SPEED PID.
- Access the TCM and monitor the VSS PID.
- Road test the vehicle.
- Record traction motor RPM at different vehicle speeds.
Does the traction motor RPM correspond with the vehicle speed?
Yes No GO to TP2. INSTALL a new transaxle assembly. REFER to the AUTOMATIC TRANSAXLE/TRANSMISSION - 6F35 . - TP2 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTC)
Is DTC P0C2F present?
Yes No GO to PINPOINT TEST DP . Unable to duplicate or identify the concern at this time.
RETURN to Symptom Charts to continue diagnosis.
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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.