Shift Concern: No 2-1 Shift

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SHIFT CONCERN: NO 2-1 SHIFT

Possible Component	Reference/Action
225 - ELECTRICAL ROUTINE
Powertrain Control System
PCM, vehicle wiring harnesses, TR sensor, VSS and SSD.	Carry out on-board diagnostic tests. Refer to the INTRODUCTION - GASOLINE for diagnosis and testing of the PCM. GO to PINPOINT TEST A , GO to PINPOINT TEST C and GO to PINPOINT TEST E . Repair as required. Clear the DTCs, road test and rerun on-board diagnostic test
325 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
High/low pressures.	Check pressure at line tap. Carry out Line Pressure Test. Refer to SPECIAL TESTING PROCEDURES in this article.
Main Control
Bolts not tightened to specification.	Tighten to specifications.
Separator plate damaged.	Inspect for damage. If damaged, repair as necessary.
Contamination.	Disassemble and clean.
Valves/springs damaged, misassembled, missing, stuck, or bore damaged.	If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transaxle damage.
One-way Clutch
Damaged.	Inspect for damage. Repair as necessary.
Band
Damaged.	Inspect for damage. Repair as necessary.