For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the Body Control Module Diagnostic System Check performed? | -- | Go to Step 2 | Go to Diagnostic System Check - Body Control System in Body Control System
2 | Set the locking control to mode 3. Refer to Automatic Door Lock Feature Customization for procedure. Is the action complete? | -- | Go to Step 3 | --
3 |

1. Close all vehicle doors.
2. Verify that the IP dimmer switch is set to the OFF position.
3. Turn on the interior lamps override switch (enabling the interior lights).
4. Turn the ignition switch to the RUN position.
5. Open, then close all vehicle doors, one door at a time.

Did the courtesy lights turn on with a door open, and turn off with all doors closed?

--

Go to Step 4

Go to Step 7

4 |

1. Ensure that all vehicle doors are closed.
2. Turn the ignition switch from the RUN position to the LOCK position.
3. While observing the courtesy lights, remove key from the ignition key cylinder.

Did the courtesy lights turn on when removing key from the ignition key cylinder?

--

Go to Step 5

Go to Step 8

5 |

1. Insert key into the ignition key lock cylinder and turn the ignition switch to the RUN position.
2. Lower all vehicle windows.
3. Turn the ignition switch to the LOCK position and remove key from the ignition key lock cylinder.
4. Step out of the vehicle.
5. Verify that all passenger doors are closed (except driver's door).
6. Press lock on driver"s door lock switch. Listen to 3 chimes.
7. Close the driver's door.
8. Within 5 seconds, open the left sliding door (if equipped). Press lock on driver"s door lock switch. Listen to 3 chimes.
9. Close the left sliding door (if equipped).
10. Wait 5 seconds while observing the door locks.
11. Unlock and open the right front door.
12. Press lock on door lock switch. Listen to 3 chimes.
13. Close RF door.
14. Within 5 seconds, open the right sliding door. Press lock on passenger door lock switch. Listen to 3 chimes.
15. Close the right sliding door.
16. Wait 5 seconds while observing the door locks.

Upon pressing lock on either door lock switch and no key inserted in the ignition key lock cylinder, all doors lock 5 seconds after last door is closed.

Do the door locks operate as described above?

--

Go to Step 6

Go to Step 10

6 |

1. Open the driver's door.
2. Open the right or left (if equipped) sliding door.
3. Ensure right front door and liftgate door are closed.
4. Remove key from the ignition key lock cylinder.
5. Press lock on either door lock switch.
6. Close the driver's door.
7. Close sliding door.
8. Wait 3 seconds while observing the door locks.

Do all doors lock three (+/- 0.3) seconds after closing sliding door?

--

Go to Step 9

Go to Step 10

7 | The last door lock or sliding door delayed locking is malfunctioning due to a malfunction between the BCM and the door lock ajar switches. Refer to Interior Lamps System Check in Lighting Systems for diagnosis and repair of the interior lights' door lock ajar input.

Is the action complete?

--

Go to Step 11

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8 | The last door lock or sliding door delayed locking is inoperative due to a malfunction between the BCM and the ignition key alarm switch. Refer to Diagnostic System Check - Audible Warnings in Doors for diagnosis and repair of the key in ignition reminder chime and the ignition key alarm switch.

Is the action complete?

--

Go to Step 11

--

9 | The last door lock and sliding door delayed locking are working as designed. Refer to Automatic Door Lock Circuit Description in this section for more information. Is the action complete? | -- | Go to Step 11 | --
10 |

1. Inspect the BCM connectors for poor terminal contact.
2. If BCM connectors are OK, replace the BCM. Refer to Body Control Module Replacement in Body Control Systems.

Is the repair complete?

--

Go to Step 11

--

11 |

1. Turn the ignition switch to the LOCK position.
2. Reinstall connectors/components removed.
3. Turn the ignition switch to the RUN position for 6 seconds.
4. Turn the ignition switch to the LOCK position.
5. Remove the BCM PRGRM fuse.
6. Turn the ignition switch to the ACC position. (The BCM sounds the chime a number of times equivalent to the BCM type installed on the vehicle).
7. Within one second, turn the ignition switch from the ACC position, to the LOCK position, then back to the ACC position. (The BCM sounds any BCM DTCs stored).

Are there any BCM DTCs present?

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Go to Diagnostic System Check - Body Control System in Body Control System

Go to Automatic Door Locks System Check