FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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9000 - 9999: 9073






9073-REAR/SIDE DOOR LOCK CIRCUIT HIGH





For a complete wiring diagram, Refer to the Wiring Information Electrical Diagrams.

- When Monitored:
Whenever the module is awake.

- Set Condition:
When the BCM does not sense the proper current draw on the Rear/Side Doors Lock/Unlock Driver circuits during a lock or unlock command, this code will set.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Close all doors.
4. Operate the cargo area door lock and unlock switch two or three times.
5. Wait 30 seconds.
6. With the scan tool, read DTCs.

Does the scan tool display 9073-REAR/SIDE DOOR LOCK CIRCUIT HIGH?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Verification Tests.

2. REAR/SIDE DOORS LOCK DRIVER CIRCUIT SHORT TO VOLTAGE




1. Turn the ignition off.
2. Disconnect the Body Control Module C7 connector.
3. Turn the ignition on.
4. Measure the voltage between the Rear/Side Doors Lock Driver circuit and ground in the BCM C7 connector.

Is there any voltage present?

No

- Repair the Rear/Side Doors Lock Driver circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Verification Tests.

Yes

- Go To 3

3. REAR/SIDE DOORS UNLOCK DRIVER CIRCUIT SHORT TO VOLTAGE




1. Measure the voltage between the Rear/Side Doors Unlock Driver circuit and ground.

Is there any voltage present?

Yes

- Repair the Rear/Side Doors Unlock Driver circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Verification Tests.

No

- Go To 4

4. REAR/SIDE DOORS LOCK OR UNLOCK DRIVER CIRCUIT OPEN




1. Measure the resistance between the Rear/Side Doors Lock Driver circuit and the Rear/Side Doors Unlock Driver circuit in the BCM C7 connector.

Is the resistance below 10.0 ohms?

Yes

- Replace the Body Control Module.
- Perform the BODY VERIFICATION TEST. Verification Tests.

No

- Locate and repair the open circuit in either the Rear/Side Doors Lock or Unlock circuit.
- Perform the BODY VERIFICATION TEST. Verification Tests.