No Forward Only

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC ROUTINES - NO FORWARD ONLY

Possible Component	Reference/Action
201 - ROUTINE
Powertrain Control System
PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA)	Carry out On-Board Diagnostic (OBD) tests. Refer to the INTRODUCTION - GASOLINE MODELS for diagnosis and testing of the PCM. For gasoline engines, GO to PINPOINT TEST E . For diesel engines, GO to PINPOINT TEST J . Repair as required. Clear the DTCs, road test and carry out OBD test again.
Selector Lever Cable
Selector lever cable system damaged, misaligned	Inspect and repair as necessary. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS .
Incorrect Line Pressure
Low pressure	Check pressure at line tap. Carry out Line Pressure Test. Refer to SPECIAL TESTING PROCEDURES . Follow the pressure diagnosis test as required.
Solenoid Body Assembly
Bolts not tightened to specification	Tighten to specification.
Filter gasket damaged, blown out, leaking	Inspect for damage. If damaged, install a new filter gasket.
Contamination	Disassemble and clean.
PCA damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged	If damaged or parts are missing, install a new PCA or solenoid body assembly. If misassembled, reassemble correctly.
Overdrive (O/D) One-Way Clutch (OWC)
Rocker clutch engaged in both directions, struts missing, OWC damaged	Inspect for rotation in one direction only. Rocker clutch should overrun in the opposite direction. Install new if damaged or fails inspection.
Center Support
Feed bolt not tightened to specification	Tighten to specification.
Forward clutch seal rings damaged	Inspect for damage. Repair as necessary.
Support damaged or leaking	Inspect for damage. Repair as necessary.
Forward Clutch Assembly
Seals, piston damaged	Inspect for damage. Repair as necessary.
Friction elements damaged or worn	Inspect for damage. Repair as necessary.
Return springs damaged	Inspect for damage. Repair as necessary.
Low/Reverse OWC
Rocker clutch engaged in both directions, struts missing, OWC damaged	Inspect for rotation in one direction only. Rocker clutch should overrun in the opposite direction. Install new if damaged or fails inspection.