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HOMESERVICE MANUALSLINCOLN2006ZEPHYRREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSANTI-THEFT - PATSGENERAL PROCEDURESKEY PROGRAMMING SWITCH STATE CONTROLUNLIMITED KEY MODE PROGRAMMINGENABLING UNLIMITED KEY MODE
2006 Lincoln Zephyr

Enabling Unlimited Key Mode

2006 Lincoln ZephyrSECTION Enabling Unlimited Key Mode
NOTE: Unlimited key mode is intended for use by fleet customers who need more than 8 keys for their vehicle.
  1. The customer must choose an 8-digit number to be programmed into all of their vehicles. Valid digits are 0-9 plus the letters A-F. An all 0 number is not allowed. All customer vehicles need to use the same number.
    2. NOTE: If the unlimited transponder key id instrument cluster PID is not displayed on screen, unlimited key mode is turned on, and must be turned off before viewing the stored code. To view/change the stored code, follow the procedure for turning off unlimited key mode below.
  2. Check the unlimited transponder key id PID and compare its value against the code chosen in Step  1.
  3. Using the diagnostic tool, select instrument cluster from the menu. Follow SECURITY ACCESS to obtain security access. For additional information, refer to ANTI-THEFT SECURITY ACCESS .
  4. Turn off the unlimited key mode to view the security key PID.
  5. If the Unlimited Transponder Security Key PID was 00,00,00,00, select Command: SET UNLIMITED TRANSPONDER KEY. Enter the 8-digit code chosen by the user.
  6. Select: ENABLE UNLIMITED KEY MODE.
  7. Select: IGNITION CODE ERASE.
  8. Disconnect the diagnostic tool and turn the ignition lock cylinder to the OFF position.
  9. Program 2 ignition keys to enable the vehicle by turning the ignition lock cylinder from the OFF position to the RUN position. Make sure that each key remains in the RUN position for a minimum of 6 seconds.
  10. Program any additional keys using either the KEY PROGRAMMING USING TWO PROGRAMMED KEYS  or KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT .
RENDER: 1.0x

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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.