Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1988TAURUS L4-153 2.5L HSCREPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYKEYLESS ENTRY MODULETECHNICAL SERVICE BULLETINSKEYLESS ENTRY SYSTEM - NEW PROCESSOR
1988 Ford Taurus L4-153 2.5L HSC
Keyless Entry System - New Processor
1988 Ford Taurus L4-153 2.5L HSCSECTION Keyless Entry System - New Processor
87ford25
Article No. 87-25-3
KEYLESS ENTRY SYSTEM - AUTOLOCK FEATURE OPERATED BY KEYLESS ENTRY PAD - VEHICLES BUILT AFTER 01/20/88 - SERVICE TIPS
FORD: 1988 THUNDERBIRD, TAURUS
LINCOLN-MERCURY: 1988 COUGAR, SABLE, MARK VII, CONTINENTAL, LINCOLN TOWN CAR
ISSUE: The Keyless Entry System, Autolock Feature, will have a new designed keyless entry processor after January 20, 1988. The new processor will allow the customer to activate or deactivate the Autolock Feature by using the Keyless Entry Pad. Vehicles will be delivered to the dealers with the Autolock Feature deactivated.
ACTION: Customers taking delivery of vehicles with the Keyless Entry System should be informed on this new feature to eliminate complaints about inoperative automatic door locks. The description and operation of the autolock system on page 11 of this TSB should be inserted in the 1988 Shop Manuals under the Keyless Entry System.
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: "INFORMATION ONLY"
DESCRIPTION AND OPERATION
Autolock Feature
The Autolock Feature of the Keyless Entry System can be activated or deactivated by using the Keyless Entry Key Pad.
1. To activate Autolock Feature into keyless entry system, enter the five-digit code from your code card.
2. Within five (5) seconds of entering the code, depress and hold the 7/8 button.
3. Within the next five (5) seconds, while holding the 7/8 button, depress and release the 3/4 button.
4. The Autolock Feature is now programmed into the Keyless Entry System.
5. To deactivate the Autolock Feature, perform Steps 1, 2, and 3.
NOTE: Every time battery voltage is removed and reconnected to the vehicle, the Autolock Feature will automatically be deactivated. Trying to start vehicle with a very weak battery can also wipe out the Autolock Feature. To restore Autolock Feature, re-enter original button sequence.
Article No. 87-25-3
KEYLESS ENTRY SYSTEM - AUTOLOCK FEATURE OPERATED BY KEYLESS ENTRY PAD - VEHICLES BUILT AFTER 01/20/88 - SERVICE TIPS
FORD: 1988 THUNDERBIRD, TAURUS
LINCOLN-MERCURY: 1988 COUGAR, SABLE, MARK VII, CONTINENTAL, LINCOLN TOWN CAR
ISSUE: The Keyless Entry System, Autolock Feature, will have a new designed keyless entry processor after January 20, 1988. The new processor will allow the customer to activate or deactivate the Autolock Feature by using the Keyless Entry Pad. Vehicles will be delivered to the dealers with the Autolock Feature deactivated.
ACTION: Customers taking delivery of vehicles with the Keyless Entry System should be informed on this new feature to eliminate complaints about inoperative automatic door locks. The description and operation of the autolock system on page 11 of this TSB should be inserted in the 1988 Shop Manuals under the Keyless Entry System.
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: "INFORMATION ONLY"
DESCRIPTION AND OPERATION
Autolock Feature
The Autolock Feature of the Keyless Entry System can be activated or deactivated by using the Keyless Entry Key Pad.
1. To activate Autolock Feature into keyless entry system, enter the five-digit code from your code card.
2. Within five (5) seconds of entering the code, depress and hold the 7/8 button.
3. Within the next five (5) seconds, while holding the 7/8 button, depress and release the 3/4 button.
4. The Autolock Feature is now programmed into the Keyless Entry System.
5. To deactivate the Autolock Feature, perform Steps 1, 2, and 3.
NOTE: Every time battery voltage is removed and reconnected to the vehicle, the Autolock Feature will automatically be deactivated. Trying to start vehicle with a very weak battery can also wipe out the Autolock Feature. To restore Autolock Feature, re-enter original button sequence.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.