Restraint System

B2206-CURRENT VIN MISSING/MISMATCH





OCS SEAT WEIGHTS MRL #9077

For a complete wiring diagram Refer to Diagrams/Electrical.

- When Monitored:

During power-up, the ORC and OCM monitors the CAN bus for the VIN message.

- Set Condition:

This DTC will set if the VIN information received from the PCM is different from the stored VIN.





Diagnostic Test

1.CHECK FOR ACTIVE DTC

NOTE: Troubleshoot any Ignition, Battery, Seat Weight Sensor, or OCM Internal DTCs BEFORE proceeding

NOTE: Ensure that the battery is fully charged.

With the scan tool, read DTCs.

Select the module and DTC type.

OCM-Active

- Go To 2

OCM-Stored

- Erase code with scan tool, test complete.

ORC-Active

- Go To 4

ORC-Stored

- Erase code with scan tool, test complete.

2.CHECK THE VIN STORED IN THE PCM

With the scan tool, compare the VIN that is stored in the PCM to the VIN of the vehicle's VIN plate.

Does the VIN stored in the PCM match the vehicle's VIN?

Yes

- Go To 3

No

- Replace and Configure the Powertrain Control Module.
- Perform (NGC) POWERTRAIN VERIFICATION TEST VER - 5. NGC Powertrain Verification Test Ver - 5

3.PERFORM OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST

Verify that the passenger seat is empty.

Verify that all of the Seat Weight Sensor mounting screws are torqued to specification.

NOTE: Failure to follow the test instructions or aborting the test will cause faults to set when performing the Occupant Classification Module System Verification Test. To prevent faults due to process errors: Verify That All Tests Steps That Led You Here Were Performed As Directed; Verify That The Ignition Is In Run; Wait 30 Seconds After Changing The Seat Weight Before Proceeding To Allow The System To Stabilize; Only Press Scan Tool Buttons When Directed To Do So; and Perform The Occupant Classification Module System Verification Test To Completion.

With the scan tool in OCM, select More Options, select System Tests, and select Occupant Classification Module System Verification Test. Run the test by following the instructions displayed on the scan tool. When the test is complete, proceed as follows.

With the scan tool, read OCM DTCs.

Does the scan tool display active: B2206-CURRENT VIN MISSING/MISMATCH?

Yes

- Replace the OCM.
- Perform OCS VERIFICATION TEST - VER 1. Verification Tests

No - But Other DTCs Present

- Diagnose and repair the DTCs.

No - No Active DTCs Present

- Perform OCS VERIFICATION TEST - VER 1. Verification Tests

4.CHECK THE VIN STORED IN THE PCM

With the scan tool, compare the VIN that is stored in the PCM to the VIN of the vehicle's VIN plate.

Does the VIN stored in the PCM match the vehicle's VIN?

Yes

- Go To 5

No

- Replace and Configure the Powertrain Control Module.
- Perform (NGC) POWERTRAIN VERIFICATION TEST VER - 5. NGC Powertrain Verification Test Ver - 5

5.REPLACE THE OCCUPANT RESTRAINT CONTROLLER

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

WARNING: If the airbag control module is dropped at any time, it must be replaced. Failure to take the proper precautions can result in accidental airbag deployment and personal injury or death.

View repair.

Repair

- Replace the Occupant Restraint Controller.
- Perform the *ORC VERIFICATION TEST-VER 1. Occupant Restraint Controller (ORC) Verification Test