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Home >> Ford >> 2002 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2914 (Automatic Transmission - 6R140 (TORQSHIFT(R)6)) -- F250-F550 Super Duty) >> Diagnosis And Testing >> Diagnosis By Symptom >> Diagnostic Routines >> Shift Concerns: Timing - Early/Late

Shift Concerns: Timing - Early/Late

WARNING: This page is about a different car, the 2011 Ford Pickup, 2011 Ford F550 Super Duty, 2011 Ford F450 Super Duty, and 2011 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
SHIFT CONCERNS - TIMING - EARLY/LATE

Possible Component Reference/Action
211 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. TEST the vehicle system for normal operation.
  • REFER to INTRODUCTION .
  • Engine driveability concerns
Main Control   
  • Bolts not tightened to specification
  • TIGHTEN to specification.
  • INSPECT for damage and/or contamination.
  • Main control unit contaminated, solenoid(s) damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged
Incorrect Pressures   
  • Application pressures are incorrect
  • Incorrect application pressures may be due to non-transmission components, main control assembly or internal transmission damage. REPAIR all non-transmission components then continue with this routine.
Other   
  • Tire size change, axle ratio change
  • VERIFY that the vehicle has the original equipment. REFER to the certification label. Changes in tire size and axle ratio will affect shift timing. Vehicles equipped with a TCM  may set DTC P1635.
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