Shift Concerns: Some or All Shifts Missing

SHIFT CONCERNS: SOME OR ALL SHIFTS MISSING - DIAGNOSTIC ROUTINES

Possible Component	Reference/Action
210 - 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), Throttle Position (TP) sensor, Mass Air Flow (MAF) sensor, Output Shaft Speed (OSS) sensor, Turbine Shaft Speed (TSS) sensor, Transmission Range (TR) sensor, Line Pressure Control (LPC) solenoid	Run On-Board Diagnostic (OBD). REFER to the INTRODUCTION - GASOLINE MODELS for diagnosis. Go To PINPOINT TEST A , Go To PINPOINT TEST C and Go To PINPOINT TEST D .
310 - HYDRAULIC/MECHANICAL ROUTINE
Transmission Fluid Level
Incorrect transmission fluid level	Check transmission fluid level and adjust as necessary. Refer to PRELIMINARY INSPECTION .
Transmission fluid condition	Carry out transmission fluid condition check. Refer to PRELIMINARY INSPECTION .
Selector Lever Linkage (Internal/External)
Damaged, out of adjustment	Inspect for damage. Repair as required. Verify selector lever cable adjustment. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS .
Vehicle Speed Input
Insufficient, erratic or no input received by the PCM from the OSS sensor	Inspect for damage. Repair as required. Go To PINPOINT TEST C .
Transmission Fluid Filter and Seal Assembly
Plugged, damaged, not correctly seated	Inspect for damage. Install a new filter and seal assembly.
Filter, seal - damaged	Inspect for damage. Install a new filter and seal assembly.
Main Controls
Regulator and/or boost valves - stuck, damaged, misassembled	Inspect for damage. Repair or install new as required.
Plugged solenoid body filter	Inspect for damage. Install new as required.
End Cover
End cover gasket - leaking	Inspect for damage. Repair or install new as required.
Planetary Gear Sets
Damaged	Inspect for damage. Repair as required.
One-Way Clutch (OWC) Assembly
Damaged	Inspect for damage. Repair as required.
Other Components
Clutches	Inspect for damage. Repair as required.
Output shafts (differential)	Inspect for damage. Repair as required.
Power flow components	Inspect for damage. Repair as required.
Go to Shift Concerns:	See the appropriate shift concern and routine: Shift Concern: No 1-2, Routine 220/320 Shift Concern: No 2-3, Routine 221/321 Shift Concern: No 3-4, Routine 222/322 Shift Concern: No 4-5, Routine 223/323 Shift Concern: No 5-6, Routine 224/324 Shift Concern: No 6-5, Routine 225/325 Shift Concern: No 5-4, Routine 226/326 Shift Concern: No 4-3, Routine 227/327 Shift Concern: No 3-2, Routine 228/328 Shift Concern: No 2-1, Routine 229/329