Engagement Concern: No 1st Gear in Manual 1 Position

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

ENGAGEMENT CONCERN: NO 1ST GEAR IN MANUAL 1 POSITION

Possible Component	Reference/Action
216 - ROUTINE
Powertrain Control System
PCM, vehicle wiring harnesses, shift solenoids A, B, pressure control solenoids B, C	Carry out On-Board Diagnostic Tests. See INTRODUCTION - GASOLINE article for diagnosis and testing of the PCM. GO to PINPOINT TEST A and GO to PINPOINT TEST D . Repair as necessary. Clear DTCs, road test and rerun On-Board Diagnostic Test.
Incorrect Pressures
High/low pressures	Carry out Line Pressure Test. Refer to SPECIAL TESTING PROCEDURES .
Main Control
Screws not tightened to specification	Tighten to specification.
Separator plate damaged	Inspect for damage. If damaged, install a new separator plate.
Contamination	Disassemble and clean.
Valves, springs damaged, misassembled, missing, stuck or bore damaged	If damaged or parts are missing, install 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 transmission damage.
Filter damaged or missing	Inspect for damage. Repair as necessary
Overdrive Planetary Assembly
Planetary damaged	Inspect for damage. Repair as necessary.
Direct One-Way Clutch
Worn, damaged or assembled incorrectly	Inspect for damage. Repair as necessary.
Low One-Way Clutch
Worn, damaged or assembled incorrectly	Inspect for damage. Repair as necessary.