How does the transmission work in a Ford Expedition?
The Powertrain Control Module (PCM) and its input/output network control the following transmission operations: Torque converter clutch operation. The transmission control is separate from the engine control strategy in the powertrain control module, although some of the input signals are shared.
Where is the 4×4 low range switch on a Ford Expedition?
The 4×4 low (4x4L) range switch is located on the transfer case cover. It provides an indication of when the 4×4 transfer case gear system is in the low range. The powertrain control module then modifies shift schedule for 4x4L operation.
What causes a car to slip in the gears?
These are the most common causes of transmission slippage: Get it diagnosed by a professional Low fluid level: Automatic transmissions depend on pressurized hydraulic fluid. A low fluid level can result in lack of pressure, preventing the gears from engaging like they should. This often results in transmission slippage.
What does overdrive cancel mode do on a Ford Expedition?
The powertrain control module energizes the transmission control indicator lamp (TCIL) when the switch is off. The TCIL indicates overdrive cancel mode activated (lamp on) and electronic pressure control (EPC) circuit shorted (lamp flashing) or monitored sensor failure.
Why does my car not shift into third gear?
Such a problem is automatic transmission won’t shift into 3rd gear. The transmission shifts into the first and then to second gear but does not move into the third gear. It seems that the gear slips into neutral when you push it to the third. Another instance could be the automatic transmission won’t shift into 3rd gear at all.
What causes a Ford Expedition to stall at a stop?
Bad Solenoid. When your Ford Expedition stalls at a stop, just as it would if it had a manual transmission and you neglected to push in the clutch, that’s a sign that one of the solenoids is malfunctioning or has gone out.
What’s the problem with my 4R70W automatic transmission?
4R70W automatic transmission problems boil down to two basic types of failure. One, the most common, is caused by some sort of electrical failure and which causes the vehicle’s computer to command the automatic transmission to stay in 2nd gear no matter what the vehicle’s speed.
Why is my 4L60-E transmission not upshifting?
In ‘Limp In Mode’, the automatic transmission will not downshift or upshift at all. The usual cause of this condition is a bad shift solenoid… although some internal mechanical problem/damage can also cause this.
What kind of towing package does a 2001 expedition have?
Trailer Towing Package Content: Hitch Receiver, Frame Mounted (Max. Capacities: 5000 lbs Weight Carrying, axle and Trailer Towing Group. Towing Group. 2001 Truck Source Book for additional towing information.
What are the specs of a 2001 Ford Expedition?
Power, Ford XR-50 Recirculating Ball — Speed Sensitive Variable Assist. Std steel spare. holes/Std. steel spare. Dual-Diaphragm. Tandem Booster all driving modes.