No Forward & No Reverse

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 FORWARD & NO REVERSE

Possible Component	Reference/Action
207 - ROUTINE
Powertrain Control System	CARRY OUT On-Board Diagnostic (OBD) tests. REFER to the INTRODUCTION article for diagnosis and testing of the PCM. For diagnosing PCA , GO to PINPOINT TEST E . REPAIR as required. CLEAR the DTCs, ROAD TEST the vehicle and RERUN the OBD test.
PCM, external vehicle wiring harnesses, transmission internal harness, Pressure Control Solenoid A (PCA)
Transmission Fluid	CHECK transmission fluid level and adjust as necessary. REFER to PRELIMINARY INSPECTION in this service information.
Incorrect level
Selector Lever Cable	INSPECT and REPAIR as necessary. REFER to AUTOMATIC TRANSMISSION EXTERNAL CONTROLS article.
Cable system damaged, misaligned
Incorrect Line Pressure
Low pressure	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.

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, correctly reassemble.
PCA damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged. Line pressure blowoff valve damaged
Input Shaft	REPAIR as necessary.
Shaft damaged	REPAIR as necessary.
Fluid Pump Assembly
Bolts not tightened to specification	TIGHTEN to specification.
Gasket damaged	INSTALL a new gasket.
Porosity, cross leaks, cup plug missing, plugged hole	REPAIR as necessary.
Pump gears and/or gear pocket damaged	INSTALL a new pump. If damaged, INSTALL a new seal or pump assembly.
Control valves, springs or seals damaged, stuck or not assembled correctly, skill orifice plugged, Line Pressure Control (LPC) air bleed plugged
Center Shaft Assembly
Shaft damaged.	REPAIR as necessary. REPAIR as necessary.
Overdrive One-Way Clutch (OWC) damaged	REPAIR as necessary. REPAIR as necessary.
Center Support
Feedbolt not tightened to specification	TIGHTEN to specification.
Forward clutch seal rings damaged	REPAIR as necessary. REPAIR as necessary.
Support damaged or leaking	REPAIR as necessary. REPAIR as necessary.
Low/Reverse Clutch Assembly
Seals, piston damaged	REPAIR as necessary.
Filtered orifice damaged, missing, not seating, off location	REPAIR a new case.
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.
Output Shaft	REPAIR as necessary.
Shaft damaged	REPAIR as necessary.
Torque Converter	REMOVE the transmission. INSPECT for damage. REFER to TORQUE CONVERTER CONTAMINATION INSPECTION in this service information. If the torque converter fails to pass the criteria for replacement or is damaged, INSTALL a new or remanufactured torque converter.
Flexplate, adapter plate, turbine hub or impeller hub damaged