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Key Programming Ford Mustang 1997-2014

Ford Mustang 1997-2014 Key Programming Procedure

The following are the key programming procedures for the 1997, 1999 and 2014 Ford Mustang.

Ford Mustang 1997


1. Put the new key into the ignition. Turn it to the ON position. The dashboard security light will flash for 15 minutes. Once the dashboard security light stops flashing, you have five minutes to begin Step 2.

2. Turn the ignition OFF and then back to the ON position. The dashboard security light will flash for 15 additional minutes.

3. Repeat Step 2.

4. Once the dashboard security light has turned off for the third time, the key will be able to function in the car. It has been programmed into the car’s computer and has replaced ALL previous electronic key codes — the computer will not recognize any other key.


1. Put the current key into the ignition.

2. Turn the ignition ON and back to OFF.

3. Remove the current key and insert the new key, turning it ON. You MUST do this within 15 seconds.

4. The security light will switch on for two seconds, confirming that the key has been successfully programmed into the vehicle.


Ford Mustang 1998 +

ADD KEY (Requires two working keys):

1. Put a current key into the ignition.

2. Turn the ignition to ON, then back to the OFF position.

3. Remove the key and insert a second key. Turn it ON and back to the OFF position. You MUST do this within five seconds.

4. Before ten seconds have elapsed, put a new key in and turn the ignition ON. After one second, turn the key back to the OFF position.

5. The dashboard security light will glow for three seconds. This confirms the programming of the new key has been successful.


About Ford Mustang

At the 2004 North American International Auto Show, Ford unveiled a redesigned 2005 Mustang, codenamed “S-197,” based on the new D2C platform. The fifth-generation Mustang’s appearance recalls the fastback Mustang models of the late 1960s, according to head engineer Hau Thai-Tang, an experienced engineer for Ford’s IndyCar program under Mario Andretti, and external styling designer Sid Ramnarace. J Mays, Ford’s senior vice president of design, referred to it as “retro-futurism.” Flat Rock Assembly Plant in Flat Rock, Michigan produced the fifth-generation Mustang.

The basic model had a 210 horsepower (157 kW; 213 PS) cast-iron block 4.0 L SOHC V6, while the GT had an aluminum block 4.6 L SOHC three-valve Modular V8 with variable camshaft timing (VCT) that generated 300 hp between 2005 and 2010. (224 kW; 304 PS). Tremec T5 five-speed manual gearboxes were standard, with Ford’s 5R55S five-speed automatic transmission available as an option. This was also available on automatic GTs, however manual GTs used Tremec TR-3650 five-speed transmissions.

The 2010 Mustang debuted in the spring of 2009, with a revised appearance that featured sequential LED taillights and a 4 percent lower drag coefficient on basic models and a 7 percent lower drag coefficient on GT versions.

The basic Mustang’s engine was kept the same, but the GT’s 4.6 L V8 was tweaked to produce 315 horsepower (235 kW; 319 PS) at 6,000 rpm and 325 lbft (441 Nm) of torque at 4,255 rpm. New spring rates and dampers, as well as a traction and stability control system that was standard on all versions and new wheel sizes, were among the mechanical improvements.

The Getrag-Ford MT82 six-speed manual or the 6R80 six-speed automatic based on the ZF 6HP26 gearbox, licensed for manufacture by Ford, were available as transmission choices in 2011. The hydraulic power steering was replaced with electric power steering. The new 3.72 L (227 cu in) aluminum block V6 engine was 40 lb (18 kg) lighter than the previous model. It generated 305 horsepower (227 kW; 309 PS) and 280 lbft (380 Nm) of torque with 24 valves and twin independent variable cam timing (TiVCT). A new dual exhaust was used with the 3.7 L engine. The GT versions had a 32-valve 5.0 L engine (4,951cc or 302.13 cu. in) with 412 horsepower and 390 ft-lbs of torque (also known as the “Coyote”). Brembo brakes, as well as 19-inch wheels and performance tires, were available as options.

The 5.4 L supercharged V8 block of the Shelby GT500 is constructed of aluminum, making it 102 lb (46 kg) lighter than prior years’ iron ones. It had a power rating of 550 horsepower (410 kW; 558 PS) and torque of 510 lbft (690 Nm).

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