Diagnostic Test

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

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.

NOTE: This DTC cannot be cleared until the System Verification Test has been completed successfully.

With the scan tool, read DTCs.

Select the module and DTC type.

OCM-Active
1. Go to 2).
OCM-Stored
1. Perform *OCM SYSTEM VERIFICATION TEST .
2) CHECK PCM COMMUNICATION
With the scan tool, verify the PCM communication on the Bus.

Is the PCM communicating on the Bus?

Yes
1. Go to 3).
No
1. Program in the VIN or replace and configure the Powertrain Control Module in accordance with the service information.
2. Perform POWERTRAIN VERIFICATION TEST .
3) 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
1. Go to 4).
No
1. Replace and configure the Powertrain Control Module in accordance with the service information.
2. Perform POWERTRAIN VERIFICATION TEST .
4) CHECK THE VIN STORED IN THE OCM
With the scan tool, compare the VIN that is stored in the Occupant Classification Module to the VIN of the vehicle's VIN plate.

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

Yes
1. Go to 5).
No
1. Replace the OCM in accordance with the Service Information.
2. Perform *OCM SYSTEM VERIFICATION TEST .
5) PERFORM OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST
Verify that the passenger seat is empty.

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
1. Replace the OCM in accordance with the Service Information.
2. Perform *OCM SYSTEM VERIFICATION TEST .
No
1. Other DTCs Present
2. Diagnose and repair the DTCs. Refer to the DIAGNOSTIC CODE INDEX for a complete list of symptoms.
No
1. No Active DTCs Present
2. Erase all codes before returning vehicle to customer.