Schematic Reference: Door Lock/Indicator Schematics

Connector End View Reference: Power Door Systems Connector End Views

Did you perform the Door Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Door Systems

1. Install a scan tool.
2. Turn the ignition ON, with the engine Off.
3. With a scan tool, observe the automatic door lock mode in the Personalization data list.

Are the automatic door locks enabled?

Go to Step 3

Go to Vehicle Personalization in Personalization

Verify that the automatic door locks inoperative fault is present.

Does the automatic door locks system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 4

Verify that the power door locks system operates normally.

Does the power door locks system operate normally?

Go to Step 5

Go to Symptoms - Doors

1. With a scan tool, observe the door ajar switches and the driver door open switch parameters in the Body Control Module data list.
2. Close all the doors.

Does the scan tool indicate Closed for both parameters?

Go to Step 8

Go to Step 6

1. Disconnect the C1 harness connector of the appropriate door lock.
2. With a scan tool, observe the appropriate door ajar switches or driver door open switch parameter in the Body Control Module data list.
3. Close all the doors.

Does the scan tool indicate Closed for the appropriate parameter?

Go to Step 9

Go to Step 7

Test the driver door ajar switch signal circuit or secondary door latch switch signal circuit of the appropriate door lock for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 12

Go to Step 8

Inspect for poor connections at the harness connectors of the body control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Repairs.

Did you find and correct the condition?

Go to Step 12

Go to Step 10

Inspect for poor connections at the harness connectors of the appropriate door lock. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Repairs.

Did you find and correct the condition?

Go to Step 12

Go to Step 11

1. Perform the set-up procedure for the body control module. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.
2. Replace the body control module. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 12

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Replace the appropriate door lock. Refer to Front Side Door Lock Replacement or Rear Door Lock Replacement .

Did you complete the replacement?

Go to Step 12

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2