B2206-CURRENT VIN MISSING/MISMATCH





For a complete wiring diagram Refer to Section 8W.



Possible Causes
INCORRECT VIN PROGRAMMED INTO THE PCM
OCCUPANT CLASSIFICATION MODULE (OCM)



Diagnostic Test

1. CHECK FOR ACTIVE DTC

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

NOTE: Ensure that the battery is fully charged.

NOTE: This DTC cannot be cleared until the *OCM SYSTEM VERIFICATION TEST has been completed successfully.


With the scan tool, read DTC.

Select the module and DTC type.

OCM-Active


OCM-Stored

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


No


Diagnostic Test

3. PERFORM THE OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST

NOTE: Ensure that the battery is fully charged.

NOTE: The Occupant Classification Seat Weights 9077 are required to perform this test.


Verify that the passenger seat is empty.
Remove any special tools or jumper wires and reconnect all previously disconnected components – except the battery.

WARNING: To avoid serious or fatal injury, turn the ignition on, then reconnect the battery.


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, wait two minutes, and then proceed as follows.
With the scan tool, read OCM DTC.

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

Yes


No

4. PERFORM OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST

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


Verify that the passenger seat is empty.
Verify that all of the Seat Weight Sensor mounting screws are tightened to torque specification. Refer to Group 23 for 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.


To avoid serious or fatal injury, turn the ignition on, then reconnect the battery.
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 DTC.

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

Yes


No - But Other DTC Present


No - No Active DTC Present