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Occupant Restraint Controller (ORC)






B223B-VEHICLE CONFIGURATION MISMATCH

For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

When powered, the Occupant Restraint Controller (ORC) performs an internal self test. The repair of this fault centers on verifying ORC and Totally Integrated Power Module (TIPM) configuration.

- When Monitored:
The ORC checks its feature configuration for side airbags present against the BUS, continuously 12 seconds after initialization.

- Set Condition:
This DTC sets when the ORC detects a mismatch between the current and originally intended configuration of the module. Once set, this DTC is latched for the entire power cycle.





Always Perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Restraints System Pre-Diagnostic Procedure.

1. DETERMINE ACTIVE OR STORED DTC

NOTE: Make sure the battery is fully charged.

1. Turn the ignition on.
2. Wait 12 seconds, with the scan tool, read all active ORC DTCs.

Is the DTC active or stored?

ORC - ACTIVE DTC

- Go To 2

ORC - STORED DTC

- Go To 3

2. CHECK THE TIPM SIDE AIRBAGS PRESENT CONFIGURATION
1. With the scan tool, check for Side Airbags configuration.

Does the Vehicle Configuration in the TIPM match the Vehicle Configuration in the ORC?

Yes

- WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to take the proper precautions can result in accidental airbag deployment and serious or fatal injury.

- If the vehicle is equipped with the standard key ignition, follow this ignition on warning. WARNING: Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
If the vehicle is equipped with the keyless ignition, follow this ignition on warning. WARNING: Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

- Replace the ORC. Occupant Restraint Controller - Removal.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

No

- Configure the Totally Integrated Control Module (TIPM).

3. STORED ORC DTC
1. With the scan tool, record and erase all DTCs from all Airbag System Modules.
2. If any ACTIVE codes are present, they must be resolved before diagnosing any stored codes.

WARNING: To avoid serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

3. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
4. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.

NOTE: The following additional checks may assist you in identifying a possible intermittent problem.

5. Reconnect any disconnected components and harness connector.If the vehicle is equipped with the standard key ignition, follow this ignition on warning.

WARNING: Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
If the vehicle is equipped with the keyless ignition, follow this ignition on warning.

WARNING: Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

6. With the scan tool, monitor active codes as you work through the following steps.
7. Wiggle the wiring harness and connectors of the related airbag circuit or component.
8. If codes are related to the Driver Airbag circuits, rotate the steering wheel from stop to stop.
9. If only stored codes return, continue the test until the problem area has been isolated.

NOTE: In the previous steps, you have attempted to recreate the conditions responsible for setting the active DTC in question.

Are any ACTIVE DTCs present?

Yes

- Select the appropriate diagnostic procedure.

No

- No problem found at this time. Erase all codes before returning vehicle to customer.

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