Driveability Concerns

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The pressure switches listed in this routine will not be applicable to all vehicle applications. Some vehicles will not have the pressure switches installed in the valve body.

DIAGNOSTIC ROUTINES - DRIVEABILITY CONCERNS

Possible Component	Reference/Action
256 - ROUTINE
Powertrain Control System
PCM, vehicle wiring harnesses, transmission internal harness, transmission pressure control solenoids SSPCx, TCC solenoid, transmission pressure control switches PSx, (if equipped) OSS, TFT sensors, transmission control tow/haul switch, APP, IAT, ECT sensors	Carry out on-board diagnostic tests. See INTRODUCTION - GASOLINE article or INTRODUCTION -- 6.0L DIESEL article for diagnosis and testing of the PCM.
	GO to PINPOINT TEST A , GO to PINPOINT TEST B , GO to PINPOINT TEST D , and GO to PINPOINT TEST E . Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test.
Torque Converter
Torque internal components damaged	Remove the transmission. Inspect for damage. Refer to TORQUE CONVERTER in the General Procedures portion of this article. If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter.
Incorrect torque converter used in overhaul	Inspect for correct torque converter assembly. If not correct, install a new or remanufactured torque converter.