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Shift Concerns: No 1st Gear, Engages in Higher Gear

SHIFT CONCERNS: NO 1ST GEAR, ENGAGES IN HIGHER GEAR - DIAGNOSTIC ROUTINES

Possible Component Reference/Action
215 - ELECTRICAL ROUTINE 
Powertrain Control System   
  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, Shift Solenoid A (SSA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Output Shaft Speed (OSS) sensor and Turbine Shaft Speed (TSS) sensor, transaxle solenoid power control circuit - no voltage at transaxle connector
315 - HYDRAULIC/MECHANICAL ROUTINE 
Main Control Valve Body   
  • Plugged solenoid body filter (SSA  filter plate)
  • Inspect for damage. Install new as required.
  • Bolts out of torque specification
  • Tighten bolts to specification.
  • Gaskets and separator plate - damaged, off location
  • Inspect for damage. Install new as required.
  • Forward clutch regulator valve, springs, clips - stuck, damaged, missing, misassembled
  • Inspect for damage. Repair as required.
  • Shift solenoid - stuck, damaged
  • Inspect for damage. Go To PINPOINT TEST A . Repair as required. Activate solenoid using the scan tool. Repair as required.
  • For diagnosis related to a specific gear, use the scan tool to select the gear
  • See the following routines:
    • Shift 1-2, Routine 220/320
    • Shift 2-3, Routine 221/321
    • Shift 3-4, Routine 222/322
    • Shift 4-5, Routine 223/323
    • Shift 5-6, Routine 224/324
Mechanical   
  • Clutches or seals - damaged or worn
  • Inspect for damage. Repair or install new as required.