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.
  1. TO1 CHECK FOR CORRECT GENERATOR RPMΒ 
    NOTE: Refer to the table at the beginning of this pinpoint test for correct generator to engine RPM correlations.
    • Clear the TCM DTCs.
    • Access the TCM and monitor the G_SPEED and RPM_TCM PIDs.
    • Place gear selector lever in PARK.
    • Ignition ON, engine running.
    • Record the generator RPM at different engine speeds.

    Does the generator RPM correspond with the engine RPM in the table?Β 

    Yes No
    GO to Β TO2. INSTALL a new transaxle assembly. REFER to the AUTOMATIC TRANSAXLE/TRANSMISSION - 6F35 .
  2. TO2 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)Β 

    Is DTC P0C2F present?Β 

    Yes No
    GO to PINPOINT TEST TPΒ . 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:

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