Operation CHARM: Car repair manuals for everyone.

B2212

B2212-OCCUPANT CLASSIFICATION MODULE INTERNAL

B2212 - Occupant Classification Module Internal:




WHEN MONITORED
While the IGN status is RUN or signal not available 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.

POSSIBLE CAUSES
- Occupant classification module

Diagnostic Test

1. PERFORM THE OCCUPANT CLASSIFICATION MODULE VERIFICATION TEST

NOTE:
- Ensure that the passenger seat is empty.
- Ensure that all seat and strain gauge sensor bolts are properly torqued.

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

Q: Does the scan tool display active: B2212-OCCUPANT CLASSIFICATION MODULE INTERNAL?

YES: Go To 2
NO: Perform OCS VERIFICATION TEST - VER 1. OCS 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; & 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.

Q: Does the scan tool display any active DTCs?

Yes - B2212 is ACTIVE
Go To 3

Yes - other DTCs ACTIVE
Diagnose and repair the DTCs.

NO: Perform OCS VERIFICATION TEST - VER 1. OCS Verification Test

3. VERIFY SENSOR TORQUE

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; & 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.

Q: Does the scan tool display any active DTCs?

Yes - B2212 is ACTIVE
Replace the Occupant Classification Module.

Yes - other DTCs ACTIVE
Diagnose and repair the DTCs.

NO: Perform OCS VERIFICATION TEST - VER 1. OCS Verification Test