Switch State Control

KEY PROGRAMMING SWITCH STATE CONTROL

Worldwide Dignostic System (WDS):

Special Tool(s)

NOTE:
- The spare key programming switch is a diagnostic tool programmable switch which provides the capability to enable/disable the customer spare key programming procedure. This procedure is in the Owner's Literature and under Key Programming Using Two Programmed Keys. This programmable switch is provided as a convenience for customers who may not want the spare key programming procedure available to the vehicle driver.
- The spare key programming switch state can be viewed by instrument cluster PID SPARE_KY.

1. Insert a programmed ignition key into the ignition lock cylinder and turn the ignition switch to the RUN position.
2. Using the diagnostic tool, select powertrain control module (PCM) from the menu. Select SECURITY ACCESS to obtain security access.

3. NOTE: The default setting on delivery of all new vehicles is .

From the diagnostic tool menu, select SPARE KEY PROGRAMMING SWITCH and select the desired setting:

Spare key programming procedure is accessible.
Spare key programming procedure is not accessible.

Unlimited Key Mode Programming

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, non-00,00,00,00 number that will be programmed to all of their vehicles. All customer vehicles need to use the same number. Valid digits are 0-9 plus the letters A-F.

2. NOTE: If the powertrain control module (PCM) PID: UNLIMITED TRANSPONDER KEY ID 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. Check the PID: UNLIMITED TRANSPONDER KEY ID and compare its value against the code chosen in Step 1.

3. Using the diagnostic tool, select PCM from the menu. Follow SECURITY ACCESS to obtain 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 Active Command: SET UNLIMITED TRANSPONDER KEY. Enter the 8-digit code chosen by the user.
6. Select: ENABLE UNLIMITED KEY MODE/RESET SERVICE BIT, if applicable.
7. Select: IGNITION CODE ERASE.
8. Disconnect the diagnostic tool and turn the ignition switch to the OFF position.
9. Program 2 ignition keys to enable the vehicle by cycling the ignition switch from the OFF position to the RUN position.
10. Program any additional keys using either the Key Programming Using Two Programmed Keys or the Key Programming Using Diagnostic Equipment procedure.

Disabling Unlimited Key Mode
1. Using a diagnostic tool, select PCM from the menu. Follow SECURITY ACCESS to obtain security access.
2. Select: DISABLE UNLIMITED KEY MODE.
3. Select: IGNITION KEY CODE ERASE and RESET SERVICE BIT, if applicable.
4. Disconnect the diagnostic tool and turn the ignition switch to the OFF position.
5. Program 2 keys to enable the vehicle.
6. Program any additional keys using either the Key Programming Using Two Programmed Keys or the Key Programming Using Diagnostic Equipment procedure.