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 | Attempt to unlock the right side door and left side door using the left door lock switch. Do the doors unlock? | -- | Go to Step 3 | Go to Symptoms in Doors
3 |

1. Perform the keyless entry transmitter test. Refer to Transmitter Test .
2. Attempt to unlock the right side door and left side door using the remote control door lock transmitter.

Do the doors unlock?

--

System OK

Go to Step 4

4 | Replace the BCM. Refer to Body Control Module Replacement in Body Control Systems. Is the repair complete? | -- | System OK | --