For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the keyless entry diagnostic system check? | -- | Go to Step 2 | Go to Diagnostic System Check - Remote Keyless Entry
2 | Try to customize the keyless entry customer options. Refer to Remote Unlock Control Customization Were you able to change the customer customization? | -- | System OK | Go to Step 3
3 | Replace the BCM. Refer to Body Control Module Replacement Is the repair complete? | -- | System OK | --