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Feel Concerns: Shift Concerns: No 4-5 Shift

WARNING: This page is about a different car, the 2014 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Possible Component Reference/Action
270 - ROUTINE 
Powertrain Control System   
 
  • PCM, vehicle wiring harnesses, main control molded leadframe, Shift Solenoid A (SSA) solenoid or Shift Solenoid B (SSB) sensor
  • If DTCs are set, CLEAR the DTCs. CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to PINPOINT TEST A .
Main Control   
 
  • Molded leadframe - contamination
  • REMOVE the main control assembly, REFER to MAIN CONTROL . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to SHIFT SOLENOIDS (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to PINPOINT TEST A .
 
  • Defective clutch (A) regulator valve
  • INSPECT main control assembly for stuck valves or contamination. REFER to MAIN CONTROL .
 
  • Defective clutch (A) latch valve
  • INSPECT main control assembly for stuck valves or contamination. REFER to MAIN CONTROL .
 
  • Defective clutch (B) regulator valve
  • INSPECT main control assembly for stuck valves or contamination. REFER to MAIN CONTROL .
Clutch Plates   
 
  • Forward clutch (A) friction and steel plate - failure
 
  • Direct clutch (B) friction and steel plate - failure