Keyless Entry System Inoperative

Step	Action	Yes	No
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2	IMPORTANT: Inspect that the keyless entry transmitter is the correct model for the vehicle remote system. A wrong model transmitter will not activate the vehicle remote system. Press each button of the transmitter one at a time.Does the system operate normally?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Lock and unlock the door locks using the controls inside the vehicle. Do the locks operate properly?	Go to Step 4	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
4	Press each button of the transmitter one at a time. Does the system operate normally?	Go to Step 9	Go to Step 5
5	Reprogram the transmitter. Refer to Transmitter Programming Press each button of the transmitter one at a time. Does the system operate normally?	Go to Step 9	Go to Step 6
6	Install a scan tool. Select BCM, Data Display, Door Locks, and monitor the remote lock, unlock, and panic command parameters. Press each button of the transmitter one at a time. Does the appropriate scan tool parameter indicate Yes after each button is pressed?	Go to Step 8	Go to Step 7
7	IMPORTANT: the transmitter programming procedure must be performed whenever a transmitter is replaced. Refer to Transmitter Programming . Replace the transmitter. Press each button of the transmitter one at a time. Does the system operate normally?	Go to Step 9	Go to Step 8
8	Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement?	Go to Step 9	-
9	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3