Shift Concerns: Some Or All Shifts Missing

SHIFT CONCERNS: SOME OR ALL SHIFTS MISSING

Possible Component	Reference/Action
210 - ELECTRICAL ROUTINE
Powertrain Control System
Electrical Inputs/Outputs, Vehicle Wiring Harnesses, Powertrain Control Module (PCM), Shift Solenoids, (SSA, SSB, SSC), TP, MAF, OSS, Digital TR Sensor, Internal Wiring Harness.	Run On-Board Diagnostic. REFER to the INTRODUCTION - GASOLINE for diagnosis. GO to PINPOINT TEST A and GO to PINPOINT TEST D . Refer to PINPOINT TESTS - NON OSC EQUIPPED VEHICLE in this article.
310 - HYDRAULIC/MECHANICAL ROUTINE
Fluid
Incorrect level	Adjust the fluid to the correct level.
Condition	Inspect fluid condition. Refer to PRELIMINARY INSPECTION in this article.
Shift Linkage (Internal/External)
Damaged, out of adjustment	Inspect and repair as required. Verify linkage adjustment. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . After adjusting the linkage, verify that the digital TR sensor is correctly adjusted; refer to DIGITAL TRANSMISSION RANGE (TR) SENSOR in this article.
Vehicle Speed Input
Insufficient, erratic or no input received by the PCM from the OSS sensor.	Inspect the OSS sensor. GO to PINPOINT TEST G .
Fluid Filter and Seal Assembly
Plugged, missing	Inspect. Install a new as required.
Apply and Release Fluid Tubes
Damaged, missing	Inspect for damage. Install a new as required.
Seal or O-ring - damaged	Inspect for damage. Install a new as required.
Forward Support, Driven Sprocket
Seals - damaged	Inspect for damage. Install a new as required.
Holes - blocked	Inspect for damage. Repair as required.
Planetary Gear Sets
Damaged	Inspect for damage. Install a new as required.
One-Way Clutch Assembly
Damaged	Inspect for damage. Install a new as required.
Other Components
Clutches	Inspect for damage. Install a new as required.
Output Shafts (Differential)	Inspect for damage. Install a new as required.
Overdrive Band	Inspect for damage. Install a new as required.
Powerflow Components	Inspect for damage. Repair as required.
Go to Reference/Action	Refer further diagnosis, see the appropriate shift routine(s):
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 4-3	Routine 223/323
Shift Concern: No 3-2	Routine 224/324
Shift Concern: No 2-1	Routine 225/325