B2212-OCCUPANT CLASSIFICATION MODULE INTERNAL

When Monitored:
While the IGN status is RUN or signal not available, while the CAN bus system voltage is between 10 and 16 volts, and during the OCS Verification Test.
Set Condition:
This DTC will set if the module detects an internal failure.

Diagnostic Test

1. PERFORM THE OCCUPANT CLASSIFICATION MODULE VERIFICATION TEST

NOTE: Ensure that the passenger seat is empty.

Turn the ignition off, wait 10 seconds and turn ignition on.
With the scan tool, read OCM DTC.

Did the DTC: B2212-OCCUPANT CLASSIFICATION MODULE INTERNAL reset?

Yes

Go To 2

Perform the *OCM SYSTEM VERIFICATION TEST.

2. 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 DTC.

Does the scan tool display any active DTC?

Yes - B2212-OCCUPANT CLASSIFICATION MODULE INTERNAL DTC is ACTIVE

Go To 3

Yes - other DTC ACTIVE

Diagnose and repair the DTC. Refer to the Table of Contents in this Section for a complete list of symptoms.

Perform *OCM SYSTEM VERIFICATION TEST.

3. VERIFY SENSOR TORQUE

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.
To avoid serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
Verify that all of the Seat Weight Sensor mounting screws are tightened to torque specification. Refer to Group 23 for specifications.

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 any active DTC?

Yes - B2212-OCCUPANT CLASSIFICATION MODULE INTERNAL DTC is ACTIVE

WARNING: To avoid serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
Replace the Occupant Classification Module in accordance with the service information.
Perform *OCM SYSTEM VERIFICATION TEST.

Yes - other DTC ACTIVE

Diagnose and repair the DTC. Refer to the Table of Contents in this Section for a complete list of symptoms.

Perform *OCM SYSTEM VERIFICATION TEST.