Central Control Module - Programming

Group Ref.: Accessories

Bulletin No.: 439004

Date: March, 1994

SUBJECT:
SECTION 9D - PROGRAMMING A NEW CENTRAL CONTROL MODULE (CCM)

MODELS:
1993-94 CADILLAC FLEETWOOD

IMPORTANT:
^ Any new Central Control Module (CCM) will automatically program to the resistance of the key (or interrogator setting) being used at the first Ignition "ON" cycle. This can only be done once for the life of the module.

New CCM is unprogrammed. Before the system will function properly after a new CCM has been installed, it must be programmed to the code that matches the customer's keys. Programming a new CCM is very simple:

1. Install the new unprogrammed CCM.

2. insert one of the customer's keys in the ignition lock cylinder and turn it to the "0N" position. It's a good idea to start the Engine at this time to verify system operation.

3. Observe the "PASS KEY FAULT" Indicator Lamp:

^ The indicator lamp should light for about five seconds and then go out. If the wiring or contacts to the Key Resistance Pellet or the key is defective or intermittent and a new module is installed, the Engine will start but the "PASS KEY FAULT" indicator will flash at a rate of one flash per second until the Ignition Switch is turned off. This indicates that the module did not program and that the system components, wiring and contacts should be checked for a fault.