NO ORC MESSAGE

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    The Occupant Restraint Controller (ORC) broadcasts messages on the Bus that provide data to the Occupant Classification Module (OCM). The OCM will set this DTC if it does not receive a valid message from the ORC within 3 consecutive seconds.


Possible Causes
  
ORC COMMUNICATION FAILURE
  
OCM
  



Diagnostic Test

1.DETERMINE ACTIVE OR STORED DTC

NOTE: Ensure that the battery is fully charged.




SELECT ACTIVE or STORED DTC:

ACTIVE DTC
  • Go To2


STORED DTC
  • Go To 4

2.VERIFY THAT THE ORC IS ACTIVE ON THE BUS



Will the scan tool communicate with the ORC?

Yes
  • Go To 3


No

3.DETERMINE THE CORRECT REPAIR

NOTE: The Occupant Classification Module (OCM) and the Passenger Seat Bladder and Cushion Kit are the only serviceable OCS components.


  • If possible, check the vehicle's repair history.
  • The Service Kit wiring harness uses tamper resistant material on the harness connector. Inspect for the tamper resistant material on the harness connector.


Does the seat have a Bladder and Cushion Service Kit?

Yes

  • WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.

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

  • Replace OCS Bladder and Cushion Kit in accordance with the Service information.
  • Perform SYSTEM VERIFICATION REQUIRED test.
  • Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.


No

  • WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.

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

  • Replace the OCM in accordance with the Service Information.
  • Perform SYSTEM VERIFICATION REQUIRED test.
  • Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

4.INSPECT THE OCCUPANT CLASSIFICATION SYSTEM (OCS) WIRING AND CONNECTORS FOR CONDITIONS THAT CAUSED THE DTC TO SET

NOTE: Diagnose and repair all active codes before diagnosing stored codes. Refer to the Table of Contents in this Section for a complete list of airbag system diagnostic procedures.



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




Are any of these conditions present?

Yes

  • WARNING: When disconnecting or connecting airbag system components, the ignition must be turned off and the battery must be disconnected.

    WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.

    NOTE: The Occupant Classification Module (OCM) and the Passenger Seat Bladder and Cushion Kit are the only serviceable OCS components.

  • Replace the OCS Bladder and Cushion Kit in accordance with the Service information.
  • Perform SYSTEM VERIFICATION REQUIRED test.
  • Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.


No
  • Go To 5

5.INSPECT THE OCCUPANT RESTRAINT AND BODY SYSTEM WIRING AND CONNECTORS FOR CONDITIONS THAT CAUSED THE DTC TO SET



Are any of these conditions present?

Yes
  • Repair as necessary in accordance with the Service Information.


No
  • Go To 6

6.TEST FOR AN INTERMITTENT CONDITION


WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.


  • Wiggle the wiring harness and connectors of the related circuit.
  • Continue the test until either a code becomes active or the problem area is isolated.



Does the scan tool display any active DTCs?

Yes
  • Select the appropriate diagnostic procedure from the Table of Contents in this section.


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