No First Gear in Manual 1 Position

WARNING: This page is about a different car, the 2011 Ford F550 Super Duty and 2011 Ford F450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC ROUTINES - NO FIRST GEAR IN MANUAL 1 POSITION

Possible Component	Reference/Action
216 - ROUTINE
Powertrain Control System	CARRY OUT On-Board Diagnostic (OBD) tests. REFER to the INTRODUCTION article for diagnosis and testing of the PCM. REPAIR as necessary. CLEAR the DTCs, ROAD TEST the vehicle and RERUN the OBD test.
PCM, vehicle wiring harnesses, transmission internal harness
Selector Lever Cable	INSPECT and REPAIR as necessary. REFER to AUTOMATIC TRANSMISSION EXTERNAL CONTROLS article.
Cable system damaged, misaligned
Incorrect Line Pressures	CHECK pressure at line tap. CARRY OUT Line Pressure Test. REFER to SPECIAL TESTING PROCEDURES in this service information. FOLLOW the pressure diagnosis test as required.
High/low pressures
Solenoid Body Assembly
Bolts not tightened to specification	TIGHTEN to specification.
Filter gasket damaged	INSTALL a new filter gasket.
Contamination	DISASSEMBLE and CLEAN. If damaged or parts are missing, INSTALL a new solenoid body assembly. If misassembled, reassemble correctly.
Solenoid damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged
Coast Clutch Assembly
Seals, piston damaged	REPAIR as necessary.
Friction elements damaged or worn	REPAIR as necessary. REPAIR as necessary.
Return springs damaged	REPAIR as necessary. REPAIR as necessary.
Overdrive Clutch Assembly
Seals, piston damaged	REPAIR as necessary.
Friction elements damaged or worn	REPAIR as necessary. REPAIR as necessary.
Return springs damaged	REPAIR as necessary. REPAIR as necessary.
Overdrive One-Way Clutch (OWC) Assembly	REPAIR as necessary.
Worn, damaged or not assembled correctly	REPAIR as necessary.
Reverse Clutch Assembly
Seals, piston damaged	REPAIR as necessary.
Filtered orifice damaged, missing, not seating, off location	INSPECT for mislocation, poor seating, damage. INSTALL a new case if damaged.
Friction elements damaged or worn	REPAIR as necessary.
Return springs damaged	REPAIR as necessary. REPAIR as necessary.
Snap ring for OWC and/or return spring not seated or damaged	REPAIR as necessary. REPAIR as necessary.