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Feel - Soft/Slipping (Some/All)

WARNING: This page is about a different car, the 2011 Ford F550 Super Duty and 2011 Ford F450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC ROUTINES - FEEL - SOFT/SLIPPING (SOME/ALL)

Possible Component Reference/Action
213 - ROUTINE 
Powertrain Control System 
  • CARRY OUT On-Board Diagnostic (OBD) tests. REFER to the INTRODUCTION article for diagnosis and testing of the PCM. For diagnosing SSPCB  , GO to PINPOINT TEST A . For diagnosing TSS  /intermediate shaft speed sensor, GO to PINPOINT TEST D . For diagnosing PCA  , GO to PINPOINT TEST E . REPAIR as necessary. CLEAR the DTCs, ROAD TEST the vehicle and RERUN the OBD  test.
  • PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control B (SSPCB), Pressure Control Solenoid A (PCA), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor
Some Shifts Soft/Slipping Only 
For further diagnosis of soft or slipping shift issues, refer to the appropriate Reference/Action
  • If only some of the shifts are soft/slipping, determine which shift(s) is missing.
  • REFER to the following routine(s) for further Soft/Slipping concerns:
  • Soft/Slipping 1-2 Shift, Routine 226
  • Soft/Slipping 2-3 Shift, Routine 227
  • Soft/Slipping 3-5 Shift, Routine 228
  • Soft/Slipping 4-6 Shift, Routine 229
  • Soft/Slipping 5-6 Shift, Routine 230
  • Soft/Slipping 6-5 Shift, Routine 231
  • Soft/Slipping 6-4 Shift, Routine 232
  • Soft/Slipping 5-3 Shift, Routine 233
  • Soft/Slipping 3-2 Shift, Routine 234
  • Soft/Slipping 2-1 Shift, Routine 235
Transmission Fluid 
  • Incorrect level
  • CHECK transmission fluid level and adjust as necessary. REFER to PRELIMINARY INSPECTION  in this service information.
  • CARRY OUT the Transmission Fluid Condition Check. REFER to PRELIMINARY INSPECTION  in this service information.
  • Condition
Incorrect Line Pressures 
  • High/low pressures
  • CHECK pressure at line tap. CARRY OUT Line Pressure Test. REFER to SPECIAL TESTING PROCEDURES  in this service information. FOLLOW the pressure diagnosis test as required.
Solenoid Body Assembly 
  • Bolts not tightened to specification
  • TIGHTEN to specification.
  • Filter gasket damaged
  • INSTALL a new filter gasket.
  • Contamination
  • DISASSEMBLE and CLEAN.
  • If damaged or parts are missing, INSTALL a new solenoid body assembly. If misassembled, reassemble correctly.
  • Solenoid damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged
Fluid Pump Assembly 
  • Bolts not tightened to specification
  • TIGHTEN to specification.
  • Gasket damaged
  • INSTALL a new gasket.
  • Porosity, cross leaks, cup plug missing, plugged hole
  • REPAIR as necessary.
  • Pump gears and/or gear pocket damaged
  • INSTALL a new pump assembly.
  • INSTALL a new seal or pump assembly.
  • Control valves, springs or seals damaged, stuck or not assembled correctly
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